./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df'] 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_loopvsstraightlinecode_100-1loop_file-88.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:04:28,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:04:28,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:04:28,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:04:28,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:04:28,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:04:28,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:04:28,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:04:28,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:04:28,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:04:28,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:04:28,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:04:28,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:04:28,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:04:28,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:04:28,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:04:28,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:04:28,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:04:28,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:04:28,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:04:28,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:04:28,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:04:28,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:04:28,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:04:28,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:04:28,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:04:28,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:04:28,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:04:28,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:04:28,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:04:28,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:04:28,772 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 -> 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df [2024-11-07 08:04:29,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:04:29,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:04:29,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:04:29,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:04:29,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:04:29,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2024-11-07 08:04:30,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:04:30,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:04:30,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2024-11-07 08:04:30,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e45ce5cf/25bac1daa4564fcea6fde20b65d8e543/FLAG4818c5b65 [2024-11-07 08:04:31,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e45ce5cf/25bac1daa4564fcea6fde20b65d8e543 [2024-11-07 08:04:31,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:04:31,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:04:31,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:04:31,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:04:31,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:04:31,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c9f316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31, skipping insertion in model container [2024-11-07 08:04:31,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:04:31,277 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_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2024-11-07 08:04:31,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:04:31,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:04:31,414 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_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2024-11-07 08:04:31,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:04:31,488 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:04:31,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31 WrapperNode [2024-11-07 08:04:31,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:04:31,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:04:31,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:04:31,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:04:31,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,543 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 286 [2024-11-07 08:04:31,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:04:31,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:04:31,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:04:31,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:04:31,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,591 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 08:04:31,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:04:31,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:04:31,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:04:31,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:04:31,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (1/1) ... [2024-11-07 08:04:31,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:04:31,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:31,652 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 08:04:31,655 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 08:04:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:04:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:04:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:04:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:04:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:04:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:04:31,785 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:04:31,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:04:32,310 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-07 08:04:32,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:04:32,322 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:04:32,324 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:04:32,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:32 BoogieIcfgContainer [2024-11-07 08:04:32,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:04:32,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:04:32,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:04:32,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:04:32,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:04:31" (1/3) ... [2024-11-07 08:04:32,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cc4188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:04:32, skipping insertion in model container [2024-11-07 08:04:32,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:31" (2/3) ... [2024-11-07 08:04:32,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cc4188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:04:32, skipping insertion in model container [2024-11-07 08:04:32,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:32" (3/3) ... [2024-11-07 08:04:32,335 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-88.i [2024-11-07 08:04:32,348 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:04:32,349 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:04:32,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:04:32,418 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;@3abbbaa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:04:32,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:04:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 08:04:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 08:04:32,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:32,438 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:32,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:32,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1130248765, now seen corresponding path program 1 times [2024-11-07 08:04:32,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:32,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512824877] [2024-11-07 08:04:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:32,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:32,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512824877] [2024-11-07 08:04:32,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512824877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:32,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:32,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:04:32,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803931770] [2024-11-07 08:04:32,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:32,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:04:32,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:32,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:04:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:04:32,982 INFO L87 Difference]: Start difference. First operand has 118 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-07 08:04:33,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:33,023 INFO L93 Difference]: Finished difference Result 233 states and 385 transitions. [2024-11-07 08:04:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:04:33,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 191 [2024-11-07 08:04:33,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:33,033 INFO L225 Difference]: With dead ends: 233 [2024-11-07 08:04:33,033 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 08:04:33,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 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 08:04:33,043 INFO L432 NwaCegarLoop]: 177 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, 177 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 08:04:33,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:04:33,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 08:04:33,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-07 08:04:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 84 states have internal predecessors, (117), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 08:04:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 173 transitions. [2024-11-07 08:04:33,104 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 173 transitions. Word has length 191 [2024-11-07 08:04:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:33,105 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 173 transitions. [2024-11-07 08:04:33,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-07 08:04:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2024-11-07 08:04:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 08:04:33,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:33,112 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:33,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:04:33,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:33,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash 571713339, now seen corresponding path program 1 times [2024-11-07 08:04:33,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:33,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077317328] [2024-11-07 08:04:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:33,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:33,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:33,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077317328] [2024-11-07 08:04:33,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077317328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:33,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:33,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:04:33,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642326639] [2024-11-07 08:04:33,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:33,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:04:33,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:04:33,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:04:33,938 INFO L87 Difference]: Start difference. First operand 114 states and 173 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:34,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:34,199 INFO L93 Difference]: Finished difference Result 377 states and 571 transitions. [2024-11-07 08:04:34,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:04:34,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 191 [2024-11-07 08:04:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:34,203 INFO L225 Difference]: With dead ends: 377 [2024-11-07 08:04:34,205 INFO L226 Difference]: Without dead ends: 266 [2024-11-07 08:04:34,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:04:34,207 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 253 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:34,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 487 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:04:34,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-07 08:04:34,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 219. [2024-11-07 08:04:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 160 states have (on average 1.36875) internal successors, (219), 160 states have internal predecessors, (219), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 08:04:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 331 transitions. [2024-11-07 08:04:34,251 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 331 transitions. Word has length 191 [2024-11-07 08:04:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:34,253 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 331 transitions. [2024-11-07 08:04:34,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 331 transitions. [2024-11-07 08:04:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 08:04:34,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:34,259 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:34,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:04:34,259 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:34,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:34,260 INFO L85 PathProgramCache]: Analyzing trace with hash -337482819, now seen corresponding path program 1 times [2024-11-07 08:04:34,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:34,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431183154] [2024-11-07 08:04:34,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:34,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:34,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:34,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431183154] [2024-11-07 08:04:34,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431183154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:34,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:34,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:04:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007041192] [2024-11-07 08:04:34,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:34,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:04:34,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:34,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:04:34,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:34,715 INFO L87 Difference]: Start difference. First operand 219 states and 331 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-07 08:04:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:35,013 INFO L93 Difference]: Finished difference Result 586 states and 884 transitions. [2024-11-07 08:04:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:04:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192 [2024-11-07 08:04:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:35,017 INFO L225 Difference]: With dead ends: 586 [2024-11-07 08:04:35,017 INFO L226 Difference]: Without dead ends: 370 [2024-11-07 08:04:35,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 08:04:35,019 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 163 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:35,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 743 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:04:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-07 08:04:35,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 274. [2024-11-07 08:04:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 186 states have (on average 1.3279569892473118) internal successors, (247), 186 states have internal predecessors, (247), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-07 08:04:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 415 transitions. [2024-11-07 08:04:35,059 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 415 transitions. Word has length 192 [2024-11-07 08:04:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:35,060 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 415 transitions. [2024-11-07 08:04:35,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-07 08:04:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 415 transitions. [2024-11-07 08:04:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 08:04:35,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:35,063 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:35,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 08:04:35,063 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:35,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:35,064 INFO L85 PathProgramCache]: Analyzing trace with hash 171990271, now seen corresponding path program 1 times [2024-11-07 08:04:35,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:35,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370336604] [2024-11-07 08:04:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:35,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:35,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370336604] [2024-11-07 08:04:35,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370336604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:35,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:35,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:04:35,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587757630] [2024-11-07 08:04:35,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:35,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:04:35,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:35,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:04:35,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:04:35,712 INFO L87 Difference]: Start difference. First operand 274 states and 415 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:36,156 INFO L93 Difference]: Finished difference Result 586 states and 883 transitions. [2024-11-07 08:04:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:04:36,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 192 [2024-11-07 08:04:36,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:36,160 INFO L225 Difference]: With dead ends: 586 [2024-11-07 08:04:36,160 INFO L226 Difference]: Without dead ends: 370 [2024-11-07 08:04:36,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:36,162 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 107 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:36,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 548 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 08:04:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-07 08:04:36,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 284. [2024-11-07 08:04:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 196 states have (on average 1.3316326530612246) internal successors, (261), 196 states have internal predecessors, (261), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-07 08:04:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 429 transitions. [2024-11-07 08:04:36,223 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 429 transitions. Word has length 192 [2024-11-07 08:04:36,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:36,224 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 429 transitions. [2024-11-07 08:04:36,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 429 transitions. [2024-11-07 08:04:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 08:04:36,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:36,227 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:36,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 08:04:36,227 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:36,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash 594692097, now seen corresponding path program 1 times [2024-11-07 08:04:36,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:36,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066509507] [2024-11-07 08:04:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:36,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:37,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:37,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066509507] [2024-11-07 08:04:37,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066509507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:37,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:37,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:04:37,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963096907] [2024-11-07 08:04:37,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:37,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:04:37,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:37,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:04:37,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:37,231 INFO L87 Difference]: Start difference. First operand 284 states and 429 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:38,686 INFO L93 Difference]: Finished difference Result 962 states and 1455 transitions. [2024-11-07 08:04:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:04:38,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 192 [2024-11-07 08:04:38,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:38,694 INFO L225 Difference]: With dead ends: 962 [2024-11-07 08:04:38,696 INFO L226 Difference]: Without dead ends: 746 [2024-11-07 08:04:38,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:38,699 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 415 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:38,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 812 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 08:04:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-07 08:04:38,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 409. [2024-11-07 08:04:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 292 states have (on average 1.3595890410958904) internal successors, (397), 292 states have internal predecessors, (397), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-07 08:04:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 621 transitions. [2024-11-07 08:04:38,835 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 621 transitions. Word has length 192 [2024-11-07 08:04:38,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:38,836 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 621 transitions. [2024-11-07 08:04:38,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 621 transitions. [2024-11-07 08:04:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 08:04:38,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:38,839 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:38,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 08:04:38,839 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash -685171581, now seen corresponding path program 1 times [2024-11-07 08:04:38,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:38,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348608193] [2024-11-07 08:04:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:39,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348608193] [2024-11-07 08:04:39,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348608193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:39,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:39,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:04:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165717397] [2024-11-07 08:04:39,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:39,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:04:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:04:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:39,379 INFO L87 Difference]: Start difference. First operand 409 states and 621 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:40,314 INFO L93 Difference]: Finished difference Result 1309 states and 1990 transitions. [2024-11-07 08:04:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 08:04:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 192 [2024-11-07 08:04:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:40,322 INFO L225 Difference]: With dead ends: 1309 [2024-11-07 08:04:40,323 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 08:04:40,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:04:40,325 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 610 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:40,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 733 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 08:04:40,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 08:04:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 536. [2024-11-07 08:04:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 390 states have (on average 1.3794871794871795) internal successors, (538), 390 states have internal predecessors, (538), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-07 08:04:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 818 transitions. [2024-11-07 08:04:40,468 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 818 transitions. Word has length 192 [2024-11-07 08:04:40,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:40,470 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 818 transitions. [2024-11-07 08:04:40,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 818 transitions. [2024-11-07 08:04:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-07 08:04:40,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:40,472 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:40,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 08:04:40,472 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:40,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:40,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1086455385, now seen corresponding path program 1 times [2024-11-07 08:04:40,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:40,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035381157] [2024-11-07 08:04:40,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:40,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:40,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:40,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035381157] [2024-11-07 08:04:40,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035381157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:40,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:40,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:04:40,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402801367] [2024-11-07 08:04:40,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:40,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:04:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:40,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:04:40,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:04:40,800 INFO L87 Difference]: Start difference. First operand 536 states and 818 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:41,250 INFO L93 Difference]: Finished difference Result 1454 states and 2222 transitions. [2024-11-07 08:04:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:04:41,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 193 [2024-11-07 08:04:41,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:41,262 INFO L225 Difference]: With dead ends: 1454 [2024-11-07 08:04:41,262 INFO L226 Difference]: Without dead ends: 986 [2024-11-07 08:04:41,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:04:41,266 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 167 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:41,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 460 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:04:41,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-07 08:04:41,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 984. [2024-11-07 08:04:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 722 states have (on average 1.371191135734072) internal successors, (990), 722 states have internal predecessors, (990), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1494 transitions. [2024-11-07 08:04:41,494 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1494 transitions. Word has length 193 [2024-11-07 08:04:41,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:41,494 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1494 transitions. [2024-11-07 08:04:41,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1494 transitions. [2024-11-07 08:04:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-07 08:04:41,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:41,499 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:41,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 08:04:41,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1895960998, now seen corresponding path program 1 times [2024-11-07 08:04:41,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:41,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244759769] [2024-11-07 08:04:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:41,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:41,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244759769] [2024-11-07 08:04:41,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244759769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:41,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:41,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:04:41,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981864074] [2024-11-07 08:04:41,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:41,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:04:41,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:41,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:04:41,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:04:41,691 INFO L87 Difference]: Start difference. First operand 984 states and 1494 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:41,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:41,911 INFO L93 Difference]: Finished difference Result 1978 states and 3009 transitions. [2024-11-07 08:04:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:04:41,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-07 08:04:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:41,920 INFO L225 Difference]: With dead ends: 1978 [2024-11-07 08:04:41,920 INFO L226 Difference]: Without dead ends: 1064 [2024-11-07 08:04:41,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 08:04:41,924 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 19 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:41,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 295 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:04:41,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-07 08:04:42,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 984. [2024-11-07 08:04:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 722 states have (on average 1.365650969529086) internal successors, (986), 722 states have internal predecessors, (986), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1490 transitions. [2024-11-07 08:04:42,118 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1490 transitions. Word has length 194 [2024-11-07 08:04:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:42,118 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1490 transitions. [2024-11-07 08:04:42,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1490 transitions. [2024-11-07 08:04:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-07 08:04:42,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:42,124 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:42,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 08:04:42,124 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:42,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:42,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1042078264, now seen corresponding path program 1 times [2024-11-07 08:04:42,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:42,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941443965] [2024-11-07 08:04:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:43,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:43,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941443965] [2024-11-07 08:04:43,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941443965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:43,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 08:04:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580129238] [2024-11-07 08:04:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:43,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 08:04:43,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 08:04:43,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 08:04:43,544 INFO L87 Difference]: Start difference. First operand 984 states and 1490 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:44,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:44,206 INFO L93 Difference]: Finished difference Result 2088 states and 3149 transitions. [2024-11-07 08:04:44,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:04:44,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-07 08:04:44,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:44,215 INFO L225 Difference]: With dead ends: 2088 [2024-11-07 08:04:44,216 INFO L226 Difference]: Without dead ends: 1174 [2024-11-07 08:04:44,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:04:44,220 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 91 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:44,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 898 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 08:04:44,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-07 08:04:44,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1034. [2024-11-07 08:04:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 772 states have (on average 1.3756476683937824) internal successors, (1062), 772 states have internal predecessors, (1062), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1566 transitions. [2024-11-07 08:04:44,402 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1566 transitions. Word has length 195 [2024-11-07 08:04:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:44,403 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1566 transitions. [2024-11-07 08:04:44,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1566 transitions. [2024-11-07 08:04:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-07 08:04:44,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:44,407 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:44,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 08:04:44,408 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:44,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:44,408 INFO L85 PathProgramCache]: Analyzing trace with hash -484984991, now seen corresponding path program 1 times [2024-11-07 08:04:44,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:44,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998091152] [2024-11-07 08:04:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:45,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998091152] [2024-11-07 08:04:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998091152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:45,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:45,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:04:45,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121822894] [2024-11-07 08:04:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:45,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:04:45,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:04:45,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:45,221 INFO L87 Difference]: Start difference. First operand 1034 states and 1566 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:46,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:46,380 INFO L93 Difference]: Finished difference Result 2304 states and 3486 transitions. [2024-11-07 08:04:46,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:04:46,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-07 08:04:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:46,393 INFO L225 Difference]: With dead ends: 2304 [2024-11-07 08:04:46,393 INFO L226 Difference]: Without dead ends: 1390 [2024-11-07 08:04:46,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 08:04:46,400 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 310 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:46,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1133 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:04:46,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-11-07 08:04:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1086. [2024-11-07 08:04:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 824 states have (on average 1.3762135922330097) internal successors, (1134), 824 states have internal predecessors, (1134), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1638 transitions. [2024-11-07 08:04:46,589 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1638 transitions. Word has length 195 [2024-11-07 08:04:46,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:46,590 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1638 transitions. [2024-11-07 08:04:46,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1638 transitions. [2024-11-07 08:04:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-07 08:04:46,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:46,593 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:46,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 08:04:46,594 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:46,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:46,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1959881966, now seen corresponding path program 1 times [2024-11-07 08:04:46,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:46,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158165790] [2024-11-07 08:04:46,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:46,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-07 08:04:47,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:47,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158165790] [2024-11-07 08:04:47,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158165790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:04:47,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199762674] [2024-11-07 08:04:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:47,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:47,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:47,297 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 08:04:47,299 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 08:04:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:47,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 08:04:47,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:04:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:47,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 08:04:47,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199762674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:47,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 08:04:47,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-07 08:04:47,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520224819] [2024-11-07 08:04:47,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:47,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:04:47,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:47,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:04:47,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:04:47,628 INFO L87 Difference]: Start difference. First operand 1086 states and 1638 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:48,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:48,252 INFO L93 Difference]: Finished difference Result 2828 states and 4270 transitions. [2024-11-07 08:04:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:04:48,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-07 08:04:48,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:48,286 INFO L225 Difference]: With dead ends: 2828 [2024-11-07 08:04:48,286 INFO L226 Difference]: Without dead ends: 1846 [2024-11-07 08:04:48,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:04:48,291 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 218 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:48,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1139 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:04:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-11-07 08:04:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1570. [2024-11-07 08:04:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1192 states have (on average 1.3557046979865772) internal successors, (1616), 1192 states have internal predecessors, (1616), 364 states have call successors, (364), 13 states have call predecessors, (364), 13 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-07 08:04:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2344 transitions. [2024-11-07 08:04:48,496 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2344 transitions. Word has length 195 [2024-11-07 08:04:48,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:48,497 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2344 transitions. [2024-11-07 08:04:48,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2344 transitions. [2024-11-07 08:04:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-07 08:04:48,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:48,501 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:48,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 08:04:48,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 08:04:48,703 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:48,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:48,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1445773780, now seen corresponding path program 1 times [2024-11-07 08:04:48,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:48,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315262040] [2024-11-07 08:04:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:49,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:49,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315262040] [2024-11-07 08:04:49,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315262040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:49,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:49,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:04:49,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377180638] [2024-11-07 08:04:49,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:49,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:04:49,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:49,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:04:49,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:04:49,102 INFO L87 Difference]: Start difference. First operand 1570 states and 2344 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:50,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:50,185 INFO L93 Difference]: Finished difference Result 4480 states and 6714 transitions. [2024-11-07 08:04:50,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:04:50,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 196 [2024-11-07 08:04:50,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:50,206 INFO L225 Difference]: With dead ends: 4480 [2024-11-07 08:04:50,207 INFO L226 Difference]: Without dead ends: 3046 [2024-11-07 08:04:50,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:50,214 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 287 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:50,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 797 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 08:04:50,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2024-11-07 08:04:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2192. [2024-11-07 08:04:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2192 states, 1698 states have (on average 1.3551236749116609) internal successors, (2301), 1698 states have internal predecessors, (2301), 476 states have call successors, (476), 17 states have call predecessors, (476), 17 states have return successors, (476), 476 states have call predecessors, (476), 476 states have call successors, (476) [2024-11-07 08:04:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 3253 transitions. [2024-11-07 08:04:50,522 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 3253 transitions. Word has length 196 [2024-11-07 08:04:50,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:50,523 INFO L471 AbstractCegarLoop]: Abstraction has 2192 states and 3253 transitions. [2024-11-07 08:04:50,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 3253 transitions. [2024-11-07 08:04:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-07 08:04:50,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:50,528 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:50,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 08:04:50,529 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:50,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -548370926, now seen corresponding path program 1 times [2024-11-07 08:04:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:50,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658086930] [2024-11-07 08:04:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:51,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:51,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658086930] [2024-11-07 08:04:51,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658086930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:51,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:51,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 08:04:51,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383739529] [2024-11-07 08:04:51,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:51,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 08:04:51,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:51,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 08:04:51,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:51,093 INFO L87 Difference]: Start difference. First operand 2192 states and 3253 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:52,658 INFO L93 Difference]: Finished difference Result 4854 states and 7214 transitions. [2024-11-07 08:04:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 08:04:52,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 196 [2024-11-07 08:04:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:52,678 INFO L225 Difference]: With dead ends: 4854 [2024-11-07 08:04:52,679 INFO L226 Difference]: Without dead ends: 2832 [2024-11-07 08:04:52,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:04:52,685 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 369 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:52,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1177 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 08:04:52,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2024-11-07 08:04:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2218. [2024-11-07 08:04:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2218 states, 1724 states have (on average 1.353248259860789) internal successors, (2333), 1724 states have internal predecessors, (2333), 476 states have call successors, (476), 17 states have call predecessors, (476), 17 states have return successors, (476), 476 states have call predecessors, (476), 476 states have call successors, (476) [2024-11-07 08:04:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 3285 transitions. [2024-11-07 08:04:53,007 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 3285 transitions. Word has length 196 [2024-11-07 08:04:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:53,008 INFO L471 AbstractCegarLoop]: Abstraction has 2218 states and 3285 transitions. [2024-11-07 08:04:53,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 3285 transitions. [2024-11-07 08:04:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-07 08:04:53,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:53,011 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:53,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 08:04:53,012 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:53,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:53,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1456984893, now seen corresponding path program 1 times [2024-11-07 08:04:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:53,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340911566] [2024-11-07 08:04:53,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:53,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-07 08:04:53,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:53,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340911566] [2024-11-07 08:04:53,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340911566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:04:53,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859649652] [2024-11-07 08:04:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:53,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:53,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:04:53,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 08:04:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:53,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 08:04:53,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:04:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 283 proven. 3 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2024-11-07 08:04:53,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:04:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 6 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2024-11-07 08:04:54,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859649652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:04:54,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:04:54,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-07 08:04:54,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338251696] [2024-11-07 08:04:54,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:04:54,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 08:04:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 08:04:54,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-07 08:04:54,346 INFO L87 Difference]: Start difference. First operand 2218 states and 3285 transitions. Second operand has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-07 08:04:55,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:55,081 INFO L93 Difference]: Finished difference Result 3476 states and 5046 transitions. [2024-11-07 08:04:55,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 08:04:55,082 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2024-11-07 08:04:55,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:55,092 INFO L225 Difference]: With dead ends: 3476 [2024-11-07 08:04:55,092 INFO L226 Difference]: Without dead ends: 1333 [2024-11-07 08:04:55,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 441 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2024-11-07 08:04:55,100 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 504 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:55,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 434 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:04:55,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-11-07 08:04:55,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1259. [2024-11-07 08:04:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 979 states have (on average 1.3094994892747702) internal successors, (1282), 979 states have internal predecessors, (1282), 252 states have call successors, (252), 27 states have call predecessors, (252), 27 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1786 transitions. [2024-11-07 08:04:55,365 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1786 transitions. Word has length 196 [2024-11-07 08:04:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:55,367 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1786 transitions. [2024-11-07 08:04:55,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-07 08:04:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1786 transitions. [2024-11-07 08:04:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 08:04:55,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:55,369 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:55,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 08:04:55,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:55,571 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:55,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:55,572 INFO L85 PathProgramCache]: Analyzing trace with hash -214469475, now seen corresponding path program 1 times [2024-11-07 08:04:55,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:55,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57548544] [2024-11-07 08:04:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:56,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:56,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57548544] [2024-11-07 08:04:56,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57548544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:56,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:56,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 08:04:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927821363] [2024-11-07 08:04:56,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:56,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 08:04:56,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:56,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 08:04:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:04:56,127 INFO L87 Difference]: Start difference. First operand 1259 states and 1786 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:57,199 INFO L93 Difference]: Finished difference Result 2601 states and 3683 transitions. [2024-11-07 08:04:57,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:04:57,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-07 08:04:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:57,209 INFO L225 Difference]: With dead ends: 2601 [2024-11-07 08:04:57,209 INFO L226 Difference]: Without dead ends: 1471 [2024-11-07 08:04:57,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:57,213 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 283 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:57,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 625 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:04:57,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-11-07 08:04:57,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1277. [2024-11-07 08:04:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 997 states have (on average 1.3069207622868606) internal successors, (1303), 997 states have internal predecessors, (1303), 252 states have call successors, (252), 27 states have call predecessors, (252), 27 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1807 transitions. [2024-11-07 08:04:57,502 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1807 transitions. Word has length 197 [2024-11-07 08:04:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:57,503 INFO L471 AbstractCegarLoop]: Abstraction has 1277 states and 1807 transitions. [2024-11-07 08:04:57,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1807 transitions. [2024-11-07 08:04:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 08:04:57,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:57,506 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:57,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 08:04:57,507 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:57,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:57,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1903413217, now seen corresponding path program 1 times [2024-11-07 08:04:57,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:57,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374424964] [2024-11-07 08:04:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:57,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:04:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:04:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:04:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 08:04:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:04:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:04:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:04:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:04:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:04:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:04:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:04:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:04:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 08:04:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:04:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:04:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:04:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:04:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:04:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:04:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:04:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:04:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:04:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:04:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:04:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 08:04:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 08:04:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 08:04:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 08:04:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:04:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-07 08:04:58,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:04:58,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374424964] [2024-11-07 08:04:58,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374424964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:04:58,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:04:58,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 08:04:58,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023415987] [2024-11-07 08:04:58,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:04:58,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 08:04:58,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:04:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 08:04:58,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:04:58,251 INFO L87 Difference]: Start difference. First operand 1277 states and 1807 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:04:59,362 INFO L93 Difference]: Finished difference Result 2619 states and 3700 transitions. [2024-11-07 08:04:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 08:04:59,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-07 08:04:59,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:04:59,372 INFO L225 Difference]: With dead ends: 2619 [2024-11-07 08:04:59,372 INFO L226 Difference]: Without dead ends: 1471 [2024-11-07 08:04:59,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 08:04:59,376 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 349 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:04:59,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 681 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:04:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-11-07 08:04:59,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1259. [2024-11-07 08:04:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 979 states have (on average 1.3023493360572012) internal successors, (1275), 979 states have internal predecessors, (1275), 252 states have call successors, (252), 27 states have call predecessors, (252), 27 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:04:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1779 transitions. [2024-11-07 08:04:59,603 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1779 transitions. Word has length 197 [2024-11-07 08:04:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:04:59,604 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1779 transitions. [2024-11-07 08:04:59,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-07 08:04:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1779 transitions. [2024-11-07 08:04:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 08:04:59,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:04:59,607 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:59,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 08:04:59,607 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:04:59,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:04:59,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1318611228, now seen corresponding path program 1 times [2024-11-07 08:04:59,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:04:59,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468990636] [2024-11-07 08:04:59,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:59,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:04:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 08:04:59,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867389327] [2024-11-07 08:04:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:04:59,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:04:59,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:04:59,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:04:59,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 08:05:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:05:00,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-07 08:05:00,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:05:27,446 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 08:05:43,676 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)