./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.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_variablewrapping_wrapper-a_file-32.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', '4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5'] 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_variablewrapping_wrapper-a_file-32.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 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 10:11:38,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 10:11:38,497 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 10:11:38,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 10:11:38,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 10:11:38,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 10:11:38,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 10:11:38,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 10:11:38,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 10:11:38,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 10:11:38,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 10:11:38,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 10:11:38,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 10:11:38,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 10:11:38,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 10:11:38,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 10:11:38,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 10:11:38,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 10:11:38,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:11:38,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 10:11:38,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 10:11:38,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 10:11:38,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 10:11:38,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 10:11:38,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 10:11:38,519 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 -> 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 [2024-11-07 10:11:38,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 10:11:38,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 10:11:38,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 10:11:38,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 10:11:38,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 10:11:38,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2024-11-07 10:11:40,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 10:11:40,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 10:11:40,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2024-11-07 10:11:40,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fbceddc7/39303709abb346b9883d3767761dc044/FLAG5f32f3492 [2024-11-07 10:11:40,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fbceddc7/39303709abb346b9883d3767761dc044 [2024-11-07 10:11:40,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 10:11:40,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 10:11:40,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 10:11:40,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 10:11:40,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 10:11:40,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:40,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc80be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40, skipping insertion in model container [2024-11-07 10:11:40,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:40,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 10:11:40,807 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_variablewrapping_wrapper-a_file-32.i[916,929] [2024-11-07 10:11:40,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:11:40,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 10:11:40,905 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_variablewrapping_wrapper-a_file-32.i[916,929] [2024-11-07 10:11:40,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:11:40,965 INFO L204 MainTranslator]: Completed translation [2024-11-07 10:11:40,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40 WrapperNode [2024-11-07 10:11:40,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 10:11:40,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 10:11:40,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 10:11:40,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 10:11:40,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:40,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,022 INFO L138 Inliner]: procedures = 26, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 440 [2024-11-07 10:11:41,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 10:11:41,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 10:11:41,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 10:11:41,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 10:11:41,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,055 INFO L175 MemorySlicer]: Split 124 memory accesses to 6 slices as follows [2, 14, 23, 8, 24, 53]. 43 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 2, 3, 1, 2, 4]. The 15 writes are split as follows [0, 2, 5, 2, 2, 4]. [2024-11-07 10:11:41,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 10:11:41,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 10:11:41,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 10:11:41,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 10:11:41,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (1/1) ... [2024-11-07 10:11:41,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:11:41,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:11:41,096 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 10:11:41,098 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 10:11:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 10:11:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 10:11:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 10:11:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 10:11:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 10:11:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 10:11:41,216 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 10:11:41,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 10:11:41,600 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-07 10:11:41,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 10:11:41,612 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 10:11:41,613 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 10:11:41,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:41 BoogieIcfgContainer [2024-11-07 10:11:41,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 10:11:41,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 10:11:41,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 10:11:41,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 10:11:41,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:11:40" (1/3) ... [2024-11-07 10:11:41,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d253c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:11:41, skipping insertion in model container [2024-11-07 10:11:41,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:40" (2/3) ... [2024-11-07 10:11:41,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d253c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:11:41, skipping insertion in model container [2024-11-07 10:11:41,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:41" (3/3) ... [2024-11-07 10:11:41,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-32.i [2024-11-07 10:11:41,633 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 10:11:41,634 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 10:11:41,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 10:11:41,698 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;@5d8c59fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 10:11:41,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 10:11:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 79 states have internal predecessors, (107), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 10:11:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-07 10:11:41,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:41,740 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:41,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:41,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:41,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2092387816, now seen corresponding path program 1 times [2024-11-07 10:11:41,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:41,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610674462] [2024-11-07 10:11:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:41,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:41,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:41,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:42,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:42,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610674462] [2024-11-07 10:11:42,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610674462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:42,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:42,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 10:11:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334884791] [2024-11-07 10:11:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:42,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 10:11:42,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:42,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 10:11:42,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:11:42,112 INFO L87 Difference]: Start difference. First operand has 99 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 79 states have internal predecessors, (107), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:11:42,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:42,132 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2024-11-07 10:11:42,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 10:11:42,134 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-11-07 10:11:42,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:42,143 INFO L225 Difference]: With dead ends: 191 [2024-11-07 10:11:42,143 INFO L226 Difference]: Without dead ends: 95 [2024-11-07 10:11:42,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 10:11:42,155 INFO L432 NwaCegarLoop]: 132 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, 132 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 10:11:42,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:11:42,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-07 10:11:42,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-07 10:11:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 75 states have (on average 1.28) internal successors, (96), 75 states have internal predecessors, (96), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 10:11:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2024-11-07 10:11:42,196 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 129 [2024-11-07 10:11:42,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:42,196 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2024-11-07 10:11:42,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:11:42,196 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-11-07 10:11:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-07 10:11:42,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:42,204 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:42,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 10:11:42,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:42,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1151857908, now seen corresponding path program 1 times [2024-11-07 10:11:42,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:42,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451338732] [2024-11-07 10:11:42,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:42,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:42,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451338732] [2024-11-07 10:11:42,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451338732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:42,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:42,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:11:42,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934278790] [2024-11-07 10:11:42,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:42,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:11:42,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:42,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:11:42,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:11:42,695 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:11:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:42,884 INFO L93 Difference]: Finished difference Result 318 states and 444 transitions. [2024-11-07 10:11:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:11:42,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-11-07 10:11:42,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:42,886 INFO L225 Difference]: With dead ends: 318 [2024-11-07 10:11:42,886 INFO L226 Difference]: Without dead ends: 226 [2024-11-07 10:11:42,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 10:11:42,888 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 213 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:42,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 368 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:11:42,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-07 10:11:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2024-11-07 10:11:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 154 states have (on average 1.2857142857142858) internal successors, (198), 154 states have internal predecessors, (198), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-07 10:11:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 270 transitions. [2024-11-07 10:11:42,904 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 270 transitions. Word has length 129 [2024-11-07 10:11:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:42,905 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 270 transitions. [2024-11-07 10:11:42,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:11:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 270 transitions. [2024-11-07 10:11:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 10:11:42,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:42,909 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:42,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 10:11:42,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:42,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:42,909 INFO L85 PathProgramCache]: Analyzing trace with hash 732352654, now seen corresponding path program 1 times [2024-11-07 10:11:42,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:42,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026047655] [2024-11-07 10:11:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:44,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:44,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026047655] [2024-11-07 10:11:44,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026047655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:44,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:44,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:11:44,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726661594] [2024-11-07 10:11:44,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:44,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:11:44,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:44,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:11:44,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:11:44,202 INFO L87 Difference]: Start difference. First operand 193 states and 270 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:11:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:44,733 INFO L93 Difference]: Finished difference Result 543 states and 762 transitions. [2024-11-07 10:11:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 10:11:44,734 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 137 [2024-11-07 10:11:44,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:44,739 INFO L225 Difference]: With dead ends: 543 [2024-11-07 10:11:44,741 INFO L226 Difference]: Without dead ends: 353 [2024-11-07 10:11:44,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:11:44,745 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 104 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:44,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 849 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:11:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-07 10:11:44,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2024-11-07 10:11:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 284 states have (on average 1.2992957746478873) internal successors, (369), 286 states have internal predecessors, (369), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 10:11:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 489 transitions. [2024-11-07 10:11:44,813 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 489 transitions. Word has length 137 [2024-11-07 10:11:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:44,813 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 489 transitions. [2024-11-07 10:11:44,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:11:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 489 transitions. [2024-11-07 10:11:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 10:11:44,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:44,815 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:44,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 10:11:44,816 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:44,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:44,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1144659733, now seen corresponding path program 1 times [2024-11-07 10:11:44,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:44,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239317272] [2024-11-07 10:11:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:44,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:46,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:46,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239317272] [2024-11-07 10:11:46,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239317272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:46,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:46,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 10:11:46,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530548087] [2024-11-07 10:11:46,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:46,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 10:11:46,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:46,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 10:11:46,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-07 10:11:46,534 INFO L87 Difference]: Start difference. First operand 349 states and 489 transitions. Second operand has 18 states, 15 states have (on average 3.466666666666667) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:11:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:48,567 INFO L93 Difference]: Finished difference Result 860 states and 1194 transitions. [2024-11-07 10:11:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 10:11:48,567 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.466666666666667) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 139 [2024-11-07 10:11:48,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:48,572 INFO L225 Difference]: With dead ends: 860 [2024-11-07 10:11:48,572 INFO L226 Difference]: Without dead ends: 514 [2024-11-07 10:11:48,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-11-07 10:11:48,575 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 578 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:48,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1352 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 10:11:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-07 10:11:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 356. [2024-11-07 10:11:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 291 states have (on average 1.29553264604811) internal successors, (377), 293 states have internal predecessors, (377), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 10:11:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2024-11-07 10:11:48,634 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 139 [2024-11-07 10:11:48,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:48,635 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2024-11-07 10:11:48,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.466666666666667) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:11:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2024-11-07 10:11:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 10:11:48,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:48,636 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:48,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 10:11:48,637 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:48,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash 982324889, now seen corresponding path program 1 times [2024-11-07 10:11:48,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:48,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579390055] [2024-11-07 10:11:48,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:48,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:48,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579390055] [2024-11-07 10:11:48,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579390055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:48,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:48,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:11:48,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400672395] [2024-11-07 10:11:48,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:48,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:11:48,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:48,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:11:48,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:11:48,798 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:11:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:48,838 INFO L93 Difference]: Finished difference Result 721 states and 1007 transitions. [2024-11-07 10:11:48,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:11:48,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 139 [2024-11-07 10:11:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:48,842 INFO L225 Difference]: With dead ends: 721 [2024-11-07 10:11:48,843 INFO L226 Difference]: Without dead ends: 368 [2024-11-07 10:11:48,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:11:48,845 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:48,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 500 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:11:48,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-07 10:11:48,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-07 10:11:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 303 states have (on average 1.283828382838284) internal successors, (389), 305 states have internal predecessors, (389), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 10:11:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 509 transitions. [2024-11-07 10:11:48,876 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 509 transitions. Word has length 139 [2024-11-07 10:11:48,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:48,876 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 509 transitions. [2024-11-07 10:11:48,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:11:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 509 transitions. [2024-11-07 10:11:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 10:11:48,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:48,878 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:48,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 10:11:48,879 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:48,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:48,879 INFO L85 PathProgramCache]: Analyzing trace with hash -932708075, now seen corresponding path program 1 times [2024-11-07 10:11:48,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:48,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237014118] [2024-11-07 10:11:48,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:48,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:49,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:49,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237014118] [2024-11-07 10:11:49,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237014118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:49,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:49,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 10:11:49,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76119657] [2024-11-07 10:11:49,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:49,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 10:11:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:49,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 10:11:49,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:11:49,945 INFO L87 Difference]: Start difference. First operand 368 states and 509 transitions. Second operand has 15 states, 12 states have (on average 4.333333333333333) internal successors, (52), 15 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:11:53,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:53,205 INFO L93 Difference]: Finished difference Result 836 states and 1147 transitions. [2024-11-07 10:11:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 10:11:53,207 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.333333333333333) internal successors, (52), 15 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 139 [2024-11-07 10:11:53,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:53,210 INFO L225 Difference]: With dead ends: 836 [2024-11-07 10:11:53,210 INFO L226 Difference]: Without dead ends: 471 [2024-11-07 10:11:53,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-11-07 10:11:53,218 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 293 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:53,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1330 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 10:11:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-07 10:11:53,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 320. [2024-11-07 10:11:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 267 states have (on average 1.2846441947565543) internal successors, (343), 268 states have internal predecessors, (343), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 10:11:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 439 transitions. [2024-11-07 10:11:53,331 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 439 transitions. Word has length 139 [2024-11-07 10:11:53,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:53,335 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 439 transitions. [2024-11-07 10:11:53,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.333333333333333) internal successors, (52), 15 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:11:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 439 transitions. [2024-11-07 10:11:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 10:11:53,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:53,348 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:53,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 10:11:53,348 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:53,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:53,348 INFO L85 PathProgramCache]: Analyzing trace with hash 905958465, now seen corresponding path program 1 times [2024-11-07 10:11:53,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:53,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964039893] [2024-11-07 10:11:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:54,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:54,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964039893] [2024-11-07 10:11:54,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964039893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:54,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:54,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 10:11:54,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453618895] [2024-11-07 10:11:54,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:54,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 10:11:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:54,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 10:11:54,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:11:54,760 INFO L87 Difference]: Start difference. First operand 320 states and 439 transitions. Second operand has 13 states, 10 states have (on average 5.3) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:11:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:55,571 INFO L93 Difference]: Finished difference Result 688 states and 944 transitions. [2024-11-07 10:11:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 10:11:55,572 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.3) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 140 [2024-11-07 10:11:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:55,574 INFO L225 Difference]: With dead ends: 688 [2024-11-07 10:11:55,574 INFO L226 Difference]: Without dead ends: 371 [2024-11-07 10:11:55,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:11:55,575 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 95 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:55,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1266 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 10:11:55,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-07 10:11:55,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 308. [2024-11-07 10:11:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 255 states have (on average 1.2823529411764707) internal successors, (327), 256 states have internal predecessors, (327), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 10:11:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 423 transitions. [2024-11-07 10:11:55,596 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 423 transitions. Word has length 140 [2024-11-07 10:11:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:55,596 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 423 transitions. [2024-11-07 10:11:55,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.3) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:11:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 423 transitions. [2024-11-07 10:11:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 10:11:55,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:55,598 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:55,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 10:11:55,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:55,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash -422264557, now seen corresponding path program 1 times [2024-11-07 10:11:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:55,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392498681] [2024-11-07 10:11:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:56,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:56,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392498681] [2024-11-07 10:11:56,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392498681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:56,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:56,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 10:11:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774333947] [2024-11-07 10:11:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:56,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 10:11:56,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 10:11:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:11:56,688 INFO L87 Difference]: Start difference. First operand 308 states and 423 transitions. Second operand has 16 states, 12 states have (on average 4.416666666666667) internal successors, (53), 16 states have internal predecessors, (53), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-07 10:11:58,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:58,600 INFO L93 Difference]: Finished difference Result 774 states and 1057 transitions. [2024-11-07 10:11:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 10:11:58,601 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 4.416666666666667) internal successors, (53), 16 states have internal predecessors, (53), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) Word has length 140 [2024-11-07 10:11:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:58,604 INFO L225 Difference]: With dead ends: 774 [2024-11-07 10:11:58,604 INFO L226 Difference]: Without dead ends: 606 [2024-11-07 10:11:58,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-11-07 10:11:58,605 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 287 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:58,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1809 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 10:11:58,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-07 10:11:58,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 512. [2024-11-07 10:11:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 427 states have (on average 1.2857142857142858) internal successors, (549), 431 states have internal predecessors, (549), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 10:11:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 701 transitions. [2024-11-07 10:11:58,662 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 701 transitions. Word has length 140 [2024-11-07 10:11:58,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:58,662 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 701 transitions. [2024-11-07 10:11:58,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 4.416666666666667) internal successors, (53), 16 states have internal predecessors, (53), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-07 10:11:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 701 transitions. [2024-11-07 10:11:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 10:11:58,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:58,664 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:58,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 10:11:58,664 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:58,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:58,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1228664258, now seen corresponding path program 1 times [2024-11-07 10:11:58,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:58,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111981277] [2024-11-07 10:11:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:58,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:11:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:11:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:11:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:11:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:11:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:11:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:11:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:11:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:11:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:11:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:11:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:11:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:11:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:11:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:11:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:11:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:11:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:11:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:11:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:11:59,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:11:59,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111981277] [2024-11-07 10:11:59,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111981277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:11:59,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:11:59,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:11:59,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741045255] [2024-11-07 10:11:59,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:11:59,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:11:59,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:11:59,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:11:59,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:11:59,084 INFO L87 Difference]: Start difference. First operand 512 states and 701 transitions. Second operand has 7 states, 5 states have (on average 10.8) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:11:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:11:59,804 INFO L93 Difference]: Finished difference Result 1302 states and 1776 transitions. [2024-11-07 10:11:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:11:59,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 141 [2024-11-07 10:11:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:11:59,811 INFO L225 Difference]: With dead ends: 1302 [2024-11-07 10:11:59,811 INFO L226 Difference]: Without dead ends: 793 [2024-11-07 10:11:59,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:11:59,814 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 67 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:11:59,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 486 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:11:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-07 10:11:59,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 618. [2024-11-07 10:11:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 524 states have (on average 1.284351145038168) internal successors, (673), 529 states have internal predecessors, (673), 84 states have call successors, (84), 9 states have call predecessors, (84), 9 states have return successors, (84), 79 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-07 10:11:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 841 transitions. [2024-11-07 10:11:59,883 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 841 transitions. Word has length 141 [2024-11-07 10:11:59,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:11:59,884 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 841 transitions. [2024-11-07 10:11:59,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:11:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 841 transitions. [2024-11-07 10:11:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 10:11:59,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:11:59,886 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:59,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 10:11:59,886 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:11:59,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:11:59,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1911355907, now seen corresponding path program 1 times [2024-11-07 10:11:59,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:11:59,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462491903] [2024-11-07 10:11:59,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:11:59,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:11:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:00,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:00,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462491903] [2024-11-07 10:12:00,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462491903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:00,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:00,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:12:00,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191309027] [2024-11-07 10:12:00,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:00,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:12:00,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:00,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:12:00,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:12:00,272 INFO L87 Difference]: Start difference. First operand 618 states and 841 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:00,552 INFO L93 Difference]: Finished difference Result 1002 states and 1340 transitions. [2024-11-07 10:12:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:12:00,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 141 [2024-11-07 10:12:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:00,558 INFO L225 Difference]: With dead ends: 1002 [2024-11-07 10:12:00,558 INFO L226 Difference]: Without dead ends: 1000 [2024-11-07 10:12:00,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:12:00,559 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 66 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:00,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 941 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:12:00,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-11-07 10:12:00,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 995. [2024-11-07 10:12:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 841 states have (on average 1.2520808561236623) internal successors, (1053), 852 states have internal predecessors, (1053), 138 states have call successors, (138), 15 states have call predecessors, (138), 15 states have return successors, (138), 127 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-07 10:12:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1329 transitions. [2024-11-07 10:12:00,654 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1329 transitions. Word has length 141 [2024-11-07 10:12:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:00,656 INFO L471 AbstractCegarLoop]: Abstraction has 995 states and 1329 transitions. [2024-11-07 10:12:00,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1329 transitions. [2024-11-07 10:12:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 10:12:00,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:00,658 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:00,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 10:12:00,658 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:00,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:00,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1250866724, now seen corresponding path program 1 times [2024-11-07 10:12:00,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:00,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132155885] [2024-11-07 10:12:00,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:00,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:01,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132155885] [2024-11-07 10:12:01,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132155885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:01,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:01,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 10:12:01,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914616931] [2024-11-07 10:12:01,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:01,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:12:01,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:01,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:12:01,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:12:01,631 INFO L87 Difference]: Start difference. First operand 995 states and 1329 transitions. Second operand has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:12:02,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:02,810 INFO L93 Difference]: Finished difference Result 2324 states and 3088 transitions. [2024-11-07 10:12:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 10:12:02,815 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-07 10:12:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:02,827 INFO L225 Difference]: With dead ends: 2324 [2024-11-07 10:12:02,827 INFO L226 Difference]: Without dead ends: 1332 [2024-11-07 10:12:02,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-07 10:12:02,834 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 104 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:02,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 2352 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 10:12:02,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2024-11-07 10:12:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1308. [2024-11-07 10:12:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1083 states have (on average 1.2308402585410896) internal successors, (1333), 1099 states have internal predecessors, (1333), 198 states have call successors, (198), 26 states have call predecessors, (198), 26 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-07 10:12:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1729 transitions. [2024-11-07 10:12:03,020 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1729 transitions. Word has length 141 [2024-11-07 10:12:03,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:03,020 INFO L471 AbstractCegarLoop]: Abstraction has 1308 states and 1729 transitions. [2024-11-07 10:12:03,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:12:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1729 transitions. [2024-11-07 10:12:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 10:12:03,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:03,023 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:03,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 10:12:03,023 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:03,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:03,024 INFO L85 PathProgramCache]: Analyzing trace with hash -110491613, now seen corresponding path program 1 times [2024-11-07 10:12:03,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:03,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627181258] [2024-11-07 10:12:03,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:03,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:04,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:04,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627181258] [2024-11-07 10:12:04,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627181258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:04,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:04,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-07 10:12:04,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527359710] [2024-11-07 10:12:04,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:04,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 10:12:04,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:04,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 10:12:04,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-07 10:12:04,167 INFO L87 Difference]: Start difference. First operand 1308 states and 1729 transitions. Second operand has 20 states, 17 states have (on average 3.176470588235294) internal successors, (54), 20 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:12:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:06,297 INFO L93 Difference]: Finished difference Result 2731 states and 3601 transitions. [2024-11-07 10:12:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 10:12:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.176470588235294) internal successors, (54), 20 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-07 10:12:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:06,303 INFO L225 Difference]: With dead ends: 2731 [2024-11-07 10:12:06,303 INFO L226 Difference]: Without dead ends: 1426 [2024-11-07 10:12:06,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2024-11-07 10:12:06,307 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 249 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 2190 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:06,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 2190 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1844 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 10:12:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-07 10:12:06,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1351. [2024-11-07 10:12:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1112 states have (on average 1.224820143884892) internal successors, (1362), 1129 states have internal predecessors, (1362), 210 states have call successors, (210), 28 states have call predecessors, (210), 28 states have return successors, (210), 193 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-07 10:12:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1782 transitions. [2024-11-07 10:12:06,483 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1782 transitions. Word has length 141 [2024-11-07 10:12:06,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:06,483 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 1782 transitions. [2024-11-07 10:12:06,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.176470588235294) internal successors, (54), 20 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:12:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1782 transitions. [2024-11-07 10:12:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 10:12:06,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:06,485 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:06,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 10:12:06,485 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:06,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:06,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1377986901, now seen corresponding path program 1 times [2024-11-07 10:12:06,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:06,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560334115] [2024-11-07 10:12:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:06,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:07,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:07,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560334115] [2024-11-07 10:12:07,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560334115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:07,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:07,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 10:12:07,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381407431] [2024-11-07 10:12:07,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:07,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 10:12:07,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 10:12:07,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:12:07,381 INFO L87 Difference]: Start difference. First operand 1351 states and 1782 transitions. Second operand has 14 states, 11 states have (on average 4.909090909090909) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:12:08,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:08,593 INFO L93 Difference]: Finished difference Result 2793 states and 3679 transitions. [2024-11-07 10:12:08,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 10:12:08,594 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 4.909090909090909) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-07 10:12:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:08,599 INFO L225 Difference]: With dead ends: 2793 [2024-11-07 10:12:08,599 INFO L226 Difference]: Without dead ends: 1478 [2024-11-07 10:12:08,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2024-11-07 10:12:08,601 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 193 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:08,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1649 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 10:12:08,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-07 10:12:08,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1248. [2024-11-07 10:12:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1022 states have (on average 1.2152641878669277) internal successors, (1242), 1038 states have internal predecessors, (1242), 198 states have call successors, (198), 27 states have call predecessors, (198), 27 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-07 10:12:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1638 transitions. [2024-11-07 10:12:08,742 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1638 transitions. Word has length 141 [2024-11-07 10:12:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:08,742 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1638 transitions. [2024-11-07 10:12:08,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 4.909090909090909) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-07 10:12:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1638 transitions. [2024-11-07 10:12:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 10:12:08,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:08,744 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:08,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 10:12:08,744 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:08,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1307651178, now seen corresponding path program 1 times [2024-11-07 10:12:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:08,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530198587] [2024-11-07 10:12:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:08,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530198587] [2024-11-07 10:12:08,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530198587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:08,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:08,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:12:08,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723893558] [2024-11-07 10:12:08,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:08,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:12:08,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:08,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:12:08,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:08,952 INFO L87 Difference]: Start difference. First operand 1248 states and 1638 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:09,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:09,239 INFO L93 Difference]: Finished difference Result 2347 states and 3092 transitions. [2024-11-07 10:12:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:12:09,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 142 [2024-11-07 10:12:09,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:09,250 INFO L225 Difference]: With dead ends: 2347 [2024-11-07 10:12:09,250 INFO L226 Difference]: Without dead ends: 1593 [2024-11-07 10:12:09,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:12:09,256 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 74 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:09,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1008 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:12:09,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2024-11-07 10:12:09,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1370. [2024-11-07 10:12:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 1143 states have (on average 1.2300962379702538) internal successors, (1406), 1159 states have internal predecessors, (1406), 198 states have call successors, (198), 28 states have call predecessors, (198), 28 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-07 10:12:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1802 transitions. [2024-11-07 10:12:09,410 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1802 transitions. Word has length 142 [2024-11-07 10:12:09,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:09,411 INFO L471 AbstractCegarLoop]: Abstraction has 1370 states and 1802 transitions. [2024-11-07 10:12:09,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1802 transitions. [2024-11-07 10:12:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 10:12:09,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:09,413 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:09,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 10:12:09,414 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:09,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash 2031090635, now seen corresponding path program 1 times [2024-11-07 10:12:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:09,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842545570] [2024-11-07 10:12:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:09,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:09,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842545570] [2024-11-07 10:12:09,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842545570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:09,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:09,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:12:09,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484489883] [2024-11-07 10:12:09,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:09,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:12:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:12:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:12:09,961 INFO L87 Difference]: Start difference. First operand 1370 states and 1802 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:10,762 INFO L93 Difference]: Finished difference Result 2907 states and 3812 transitions. [2024-11-07 10:12:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:12:10,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 143 [2024-11-07 10:12:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:10,779 INFO L225 Difference]: With dead ends: 2907 [2024-11-07 10:12:10,779 INFO L226 Difference]: Without dead ends: 1573 [2024-11-07 10:12:10,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:12:10,786 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 150 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:10,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 698 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:12:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-11-07 10:12:10,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1475. [2024-11-07 10:12:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1240 states have (on average 1.225) internal successors, (1519), 1257 states have internal predecessors, (1519), 206 states have call successors, (206), 28 states have call predecessors, (206), 28 states have return successors, (206), 189 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-07 10:12:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1931 transitions. [2024-11-07 10:12:10,972 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1931 transitions. Word has length 143 [2024-11-07 10:12:10,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:10,973 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1931 transitions. [2024-11-07 10:12:10,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1931 transitions. [2024-11-07 10:12:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 10:12:10,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:10,974 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:10,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 10:12:10,975 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:10,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1120267628, now seen corresponding path program 1 times [2024-11-07 10:12:10,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968280346] [2024-11-07 10:12:10,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:10,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:11,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:11,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968280346] [2024-11-07 10:12:11,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968280346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:11,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:11,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:12:11,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558059929] [2024-11-07 10:12:11,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:11,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:12:11,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:11,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:12:11,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:12:11,098 INFO L87 Difference]: Start difference. First operand 1475 states and 1931 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:11,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:11,291 INFO L93 Difference]: Finished difference Result 3035 states and 3968 transitions. [2024-11-07 10:12:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:12:11,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 143 [2024-11-07 10:12:11,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:11,298 INFO L225 Difference]: With dead ends: 3035 [2024-11-07 10:12:11,298 INFO L226 Difference]: Without dead ends: 1563 [2024-11-07 10:12:11,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:11,302 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 46 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:11,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 626 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:12:11,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2024-11-07 10:12:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1475. [2024-11-07 10:12:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1240 states have (on average 1.2153225806451613) internal successors, (1507), 1257 states have internal predecessors, (1507), 206 states have call successors, (206), 28 states have call predecessors, (206), 28 states have return successors, (206), 189 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-07 10:12:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1919 transitions. [2024-11-07 10:12:11,464 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1919 transitions. Word has length 143 [2024-11-07 10:12:11,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:11,464 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1919 transitions. [2024-11-07 10:12:11,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1919 transitions. [2024-11-07 10:12:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:12:11,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:11,466 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:11,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 10:12:11,466 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:11,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:11,467 INFO L85 PathProgramCache]: Analyzing trace with hash -170183969, now seen corresponding path program 1 times [2024-11-07 10:12:11,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:11,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110294766] [2024-11-07 10:12:11,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:11,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:11,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:11,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110294766] [2024-11-07 10:12:11,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110294766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:11,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:11,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:12:11,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821497646] [2024-11-07 10:12:11,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:11,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:12:11,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:11,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:12:11,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:11,847 INFO L87 Difference]: Start difference. First operand 1475 states and 1919 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:12,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:12,329 INFO L93 Difference]: Finished difference Result 2984 states and 3874 transitions. [2024-11-07 10:12:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:12:12,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 144 [2024-11-07 10:12:12,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:12,336 INFO L225 Difference]: With dead ends: 2984 [2024-11-07 10:12:12,336 INFO L226 Difference]: Without dead ends: 1512 [2024-11-07 10:12:12,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:12:12,339 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 146 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:12,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 648 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:12:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-07 10:12:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1353. [2024-11-07 10:12:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1134 states have (on average 1.220458553791887) internal successors, (1384), 1149 states have internal predecessors, (1384), 190 states have call successors, (190), 28 states have call predecessors, (190), 28 states have return successors, (190), 175 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-07 10:12:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1764 transitions. [2024-11-07 10:12:12,508 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1764 transitions. Word has length 144 [2024-11-07 10:12:12,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:12,509 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 1764 transitions. [2024-11-07 10:12:12,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:12,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1764 transitions. [2024-11-07 10:12:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:12:12,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:12,511 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:12,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 10:12:12,511 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:12,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:12,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1427935694, now seen corresponding path program 1 times [2024-11-07 10:12:12,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:12,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954222861] [2024-11-07 10:12:12,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:12,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:12,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:12,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954222861] [2024-11-07 10:12:12,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954222861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:12,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:12,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:12:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769745221] [2024-11-07 10:12:12,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:12,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:12:12,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:12,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:12:12,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:12,634 INFO L87 Difference]: Start difference. First operand 1353 states and 1764 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:12,877 INFO L93 Difference]: Finished difference Result 2796 states and 3633 transitions. [2024-11-07 10:12:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:12:12,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-07 10:12:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:12,884 INFO L225 Difference]: With dead ends: 2796 [2024-11-07 10:12:12,884 INFO L226 Difference]: Without dead ends: 1446 [2024-11-07 10:12:12,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:12,887 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:12,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 742 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:12:12,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-07 10:12:13,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1377. [2024-11-07 10:12:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1158 states have (on average 1.2158894645941278) internal successors, (1408), 1173 states have internal predecessors, (1408), 190 states have call successors, (190), 28 states have call predecessors, (190), 28 states have return successors, (190), 175 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-07 10:12:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1788 transitions. [2024-11-07 10:12:13,041 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1788 transitions. Word has length 144 [2024-11-07 10:12:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:13,042 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1788 transitions. [2024-11-07 10:12:13,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1788 transitions. [2024-11-07 10:12:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:12:13,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:13,047 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:13,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 10:12:13,048 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:13,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1820962704, now seen corresponding path program 1 times [2024-11-07 10:12:13,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:13,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404475569] [2024-11-07 10:12:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:13,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:13,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:13,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404475569] [2024-11-07 10:12:13,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404475569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:13,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:13,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:12:13,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524054586] [2024-11-07 10:12:13,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:13,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:12:13,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:13,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:12:13,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:12:13,245 INFO L87 Difference]: Start difference. First operand 1377 states and 1788 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:13,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:13,440 INFO L93 Difference]: Finished difference Result 2322 states and 3024 transitions. [2024-11-07 10:12:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:12:13,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-07 10:12:13,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:13,446 INFO L225 Difference]: With dead ends: 2322 [2024-11-07 10:12:13,446 INFO L226 Difference]: Without dead ends: 1446 [2024-11-07 10:12:13,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:13,448 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 40 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:13,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 613 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:12:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-07 10:12:13,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1346. [2024-11-07 10:12:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1127 states have (on average 1.2094055013309672) internal successors, (1363), 1142 states have internal predecessors, (1363), 190 states have call successors, (190), 28 states have call predecessors, (190), 28 states have return successors, (190), 175 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-07 10:12:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1743 transitions. [2024-11-07 10:12:13,584 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1743 transitions. Word has length 144 [2024-11-07 10:12:13,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:13,585 INFO L471 AbstractCegarLoop]: Abstraction has 1346 states and 1743 transitions. [2024-11-07 10:12:13,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1743 transitions. [2024-11-07 10:12:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:12:13,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:13,588 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:13,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 10:12:13,588 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:13,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash -111199497, now seen corresponding path program 1 times [2024-11-07 10:12:13,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:13,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889346865] [2024-11-07 10:12:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:14,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:14,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889346865] [2024-11-07 10:12:14,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889346865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:14,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:14,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:12:14,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617655494] [2024-11-07 10:12:14,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:14,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:12:14,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:14,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:12:14,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:12:14,113 INFO L87 Difference]: Start difference. First operand 1346 states and 1743 transitions. Second operand has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:14,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:14,738 INFO L93 Difference]: Finished difference Result 2750 states and 3554 transitions. [2024-11-07 10:12:14,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:12:14,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-11-07 10:12:14,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:14,746 INFO L225 Difference]: With dead ends: 2750 [2024-11-07 10:12:14,746 INFO L226 Difference]: Without dead ends: 1905 [2024-11-07 10:12:14,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:12:14,750 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 78 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:14,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 811 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:12:14,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2024-11-07 10:12:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1655. [2024-11-07 10:12:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1390 states have (on average 1.2014388489208634) internal successors, (1670), 1409 states have internal predecessors, (1670), 232 states have call successors, (232), 32 states have call predecessors, (232), 32 states have return successors, (232), 213 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-07 10:12:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2134 transitions. [2024-11-07 10:12:14,914 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2134 transitions. Word has length 144 [2024-11-07 10:12:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:14,914 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2134 transitions. [2024-11-07 10:12:14,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2134 transitions. [2024-11-07 10:12:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 10:12:14,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:14,918 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:14,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 10:12:14,918 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:14,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:14,918 INFO L85 PathProgramCache]: Analyzing trace with hash 771515590, now seen corresponding path program 1 times [2024-11-07 10:12:14,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:14,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880247416] [2024-11-07 10:12:14,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:14,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:15,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:15,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880247416] [2024-11-07 10:12:15,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880247416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:15,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:15,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:12:15,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117635375] [2024-11-07 10:12:15,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:15,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:12:15,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:15,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:12:15,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:15,164 INFO L87 Difference]: Start difference. First operand 1655 states and 2134 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:15,634 INFO L93 Difference]: Finished difference Result 3300 states and 4246 transitions. [2024-11-07 10:12:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:12:15,635 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-07 10:12:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:15,641 INFO L225 Difference]: With dead ends: 3300 [2024-11-07 10:12:15,641 INFO L226 Difference]: Without dead ends: 1648 [2024-11-07 10:12:15,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:12:15,644 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 138 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:15,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 657 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:12:15,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2024-11-07 10:12:15,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1619. [2024-11-07 10:12:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1359 states have (on average 1.1964679911699778) internal successors, (1626), 1378 states have internal predecessors, (1626), 228 states have call successors, (228), 31 states have call predecessors, (228), 31 states have return successors, (228), 209 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-07 10:12:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2082 transitions. [2024-11-07 10:12:15,828 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2082 transitions. Word has length 145 [2024-11-07 10:12:15,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:15,829 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2082 transitions. [2024-11-07 10:12:15,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2082 transitions. [2024-11-07 10:12:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 10:12:15,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:15,830 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:15,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 10:12:15,830 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:15,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash 758231866, now seen corresponding path program 1 times [2024-11-07 10:12:15,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:15,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161155835] [2024-11-07 10:12:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,067 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:16,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161155835] [2024-11-07 10:12:16,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161155835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:16,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:16,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:12:16,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497682977] [2024-11-07 10:12:16,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:16,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:12:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:16,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:12:16,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:12:16,069 INFO L87 Difference]: Start difference. First operand 1619 states and 2082 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:16,423 INFO L93 Difference]: Finished difference Result 3349 states and 4317 transitions. [2024-11-07 10:12:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 10:12:16,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-07 10:12:16,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:16,430 INFO L225 Difference]: With dead ends: 3349 [2024-11-07 10:12:16,431 INFO L226 Difference]: Without dead ends: 2203 [2024-11-07 10:12:16,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:12:16,434 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 75 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:16,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1221 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:12:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2024-11-07 10:12:16,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 1866. [2024-11-07 10:12:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1584 states have (on average 1.2051767676767677) internal successors, (1909), 1605 states have internal predecessors, (1909), 248 states have call successors, (248), 33 states have call predecessors, (248), 33 states have return successors, (248), 227 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-07 10:12:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2405 transitions. [2024-11-07 10:12:16,597 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2405 transitions. Word has length 145 [2024-11-07 10:12:16,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:16,597 INFO L471 AbstractCegarLoop]: Abstraction has 1866 states and 2405 transitions. [2024-11-07 10:12:16,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2405 transitions. [2024-11-07 10:12:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 10:12:16,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:16,599 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:16,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 10:12:16,599 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:16,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:16,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1047206468, now seen corresponding path program 1 times [2024-11-07 10:12:16,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:16,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692633614] [2024-11-07 10:12:16,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:16,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:16,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:16,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692633614] [2024-11-07 10:12:16,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692633614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:16,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:16,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:12:16,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144579747] [2024-11-07 10:12:16,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:16,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:12:16,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:16,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:12:16,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:16,762 INFO L87 Difference]: Start difference. First operand 1866 states and 2405 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:17,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:17,033 INFO L93 Difference]: Finished difference Result 3860 states and 4950 transitions. [2024-11-07 10:12:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:12:17,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 145 [2024-11-07 10:12:17,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:17,050 INFO L225 Difference]: With dead ends: 3860 [2024-11-07 10:12:17,050 INFO L226 Difference]: Without dead ends: 1997 [2024-11-07 10:12:17,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:17,053 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 51 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:17,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 722 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:12:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2024-11-07 10:12:17,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1989. [2024-11-07 10:12:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1989 states, 1683 states have (on average 1.1931075460487226) internal successors, (2008), 1710 states have internal predecessors, (2008), 260 states have call successors, (260), 45 states have call predecessors, (260), 45 states have return successors, (260), 233 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-07 10:12:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2528 transitions. [2024-11-07 10:12:17,285 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2528 transitions. Word has length 145 [2024-11-07 10:12:17,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:17,285 INFO L471 AbstractCegarLoop]: Abstraction has 1989 states and 2528 transitions. [2024-11-07 10:12:17,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2528 transitions. [2024-11-07 10:12:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 10:12:17,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:17,291 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:17,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 10:12:17,291 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:17,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2138298675, now seen corresponding path program 1 times [2024-11-07 10:12:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277765701] [2024-11-07 10:12:17,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:17,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:17,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:17,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277765701] [2024-11-07 10:12:17,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277765701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:17,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:17,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:12:17,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808999160] [2024-11-07 10:12:17,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:17,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:12:17,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:17,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:12:17,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:12:17,594 INFO L87 Difference]: Start difference. First operand 1989 states and 2528 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:18,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:18,127 INFO L93 Difference]: Finished difference Result 3641 states and 4647 transitions. [2024-11-07 10:12:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:12:18,130 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-07 10:12:18,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:18,143 INFO L225 Difference]: With dead ends: 3641 [2024-11-07 10:12:18,146 INFO L226 Difference]: Without dead ends: 2149 [2024-11-07 10:12:18,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:18,151 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 82 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:18,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 472 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:12:18,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2024-11-07 10:12:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1632. [2024-11-07 10:12:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1366 states have (on average 1.1932650073206441) internal successors, (1630), 1389 states have internal predecessors, (1630), 224 states have call successors, (224), 41 states have call predecessors, (224), 41 states have return successors, (224), 201 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-07 10:12:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2078 transitions. [2024-11-07 10:12:18,391 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2078 transitions. Word has length 145 [2024-11-07 10:12:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:18,391 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2078 transitions. [2024-11-07 10:12:18,392 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2078 transitions. [2024-11-07 10:12:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 10:12:18,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:18,393 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:18,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 10:12:18,393 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:18,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:18,393 INFO L85 PathProgramCache]: Analyzing trace with hash -679966478, now seen corresponding path program 1 times [2024-11-07 10:12:18,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:18,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925527379] [2024-11-07 10:12:18,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:18,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:18,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925527379] [2024-11-07 10:12:18,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925527379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:18,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:18,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:12:18,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834283623] [2024-11-07 10:12:18,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:18,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:12:18,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:18,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:12:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:18,593 INFO L87 Difference]: Start difference. First operand 1632 states and 2078 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:19,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:19,038 INFO L93 Difference]: Finished difference Result 2728 states and 3475 transitions. [2024-11-07 10:12:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:12:19,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2024-11-07 10:12:19,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:19,047 INFO L225 Difference]: With dead ends: 2728 [2024-11-07 10:12:19,047 INFO L226 Difference]: Without dead ends: 1585 [2024-11-07 10:12:19,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:19,049 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 67 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:19,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 632 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:12:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2024-11-07 10:12:19,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1565. [2024-11-07 10:12:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1298 states have (on average 1.174884437596302) internal successors, (1525), 1321 states have internal predecessors, (1525), 224 states have call successors, (224), 42 states have call predecessors, (224), 42 states have return successors, (224), 201 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-07 10:12:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1973 transitions. [2024-11-07 10:12:19,226 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1973 transitions. Word has length 146 [2024-11-07 10:12:19,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:19,226 INFO L471 AbstractCegarLoop]: Abstraction has 1565 states and 1973 transitions. [2024-11-07 10:12:19,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1973 transitions. [2024-11-07 10:12:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:12:19,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:19,227 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:19,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 10:12:19,228 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:19,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:19,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1026702444, now seen corresponding path program 1 times [2024-11-07 10:12:19,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:19,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208298208] [2024-11-07 10:12:19,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:19,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:19,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:19,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208298208] [2024-11-07 10:12:19,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208298208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:19,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:19,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:12:19,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787992719] [2024-11-07 10:12:19,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:19,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:12:19,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:19,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:12:19,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:12:19,790 INFO L87 Difference]: Start difference. First operand 1565 states and 1973 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:20,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:20,370 INFO L93 Difference]: Finished difference Result 2315 states and 2868 transitions. [2024-11-07 10:12:20,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 10:12:20,370 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-07 10:12:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:20,377 INFO L225 Difference]: With dead ends: 2315 [2024-11-07 10:12:20,377 INFO L226 Difference]: Without dead ends: 2313 [2024-11-07 10:12:20,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:12:20,378 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 49 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:20,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1305 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:12:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2024-11-07 10:12:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2300. [2024-11-07 10:12:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2300 states, 1969 states have (on average 1.160487557135602) internal successors, (2285), 2005 states have internal predecessors, (2285), 272 states have call successors, (272), 58 states have call predecessors, (272), 58 states have return successors, (272), 236 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-07 10:12:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 2829 transitions. [2024-11-07 10:12:20,654 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 2829 transitions. Word has length 147 [2024-11-07 10:12:20,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:20,655 INFO L471 AbstractCegarLoop]: Abstraction has 2300 states and 2829 transitions. [2024-11-07 10:12:20,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2829 transitions. [2024-11-07 10:12:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:12:20,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:20,656 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:20,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 10:12:20,657 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:20,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2084066237, now seen corresponding path program 1 times [2024-11-07 10:12:20,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:20,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545906299] [2024-11-07 10:12:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:22,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:22,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545906299] [2024-11-07 10:12:22,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545906299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:22,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:22,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 10:12:22,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649445511] [2024-11-07 10:12:22,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:22,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:12:22,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:22,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:12:22,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:12:22,308 INFO L87 Difference]: Start difference. First operand 2300 states and 2829 transitions. Second operand has 17 states, 15 states have (on average 4.0) internal successors, (60), 17 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:24,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:24,706 INFO L93 Difference]: Finished difference Result 4751 states and 5830 transitions. [2024-11-07 10:12:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 10:12:24,707 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.0) internal successors, (60), 17 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-07 10:12:24,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:24,714 INFO L225 Difference]: With dead ends: 4751 [2024-11-07 10:12:24,714 INFO L226 Difference]: Without dead ends: 2454 [2024-11-07 10:12:24,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-11-07 10:12:24,718 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 388 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:24,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1047 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 10:12:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2024-11-07 10:12:25,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2295. [2024-11-07 10:12:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 1960 states have (on average 1.1586734693877552) internal successors, (2271), 1996 states have internal predecessors, (2271), 274 states have call successors, (274), 60 states have call predecessors, (274), 60 states have return successors, (274), 238 states have call predecessors, (274), 274 states have call successors, (274) [2024-11-07 10:12:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2819 transitions. [2024-11-07 10:12:25,026 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2819 transitions. Word has length 147 [2024-11-07 10:12:25,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:25,027 INFO L471 AbstractCegarLoop]: Abstraction has 2295 states and 2819 transitions. [2024-11-07 10:12:25,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.0) internal successors, (60), 17 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2819 transitions. [2024-11-07 10:12:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:12:25,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:25,029 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:25,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 10:12:25,029 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:25,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:25,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1462826518, now seen corresponding path program 1 times [2024-11-07 10:12:25,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:25,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709889181] [2024-11-07 10:12:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:25,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:25,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:25,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709889181] [2024-11-07 10:12:25,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709889181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:25,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:25,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:12:25,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616658424] [2024-11-07 10:12:25,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:25,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:12:25,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:12:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:12:25,170 INFO L87 Difference]: Start difference. First operand 2295 states and 2819 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:25,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:25,797 INFO L93 Difference]: Finished difference Result 5037 states and 6162 transitions. [2024-11-07 10:12:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:12:25,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-07 10:12:25,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:25,805 INFO L225 Difference]: With dead ends: 5037 [2024-11-07 10:12:25,805 INFO L226 Difference]: Without dead ends: 2770 [2024-11-07 10:12:25,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:25,809 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 31 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:25,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 593 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:12:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2024-11-07 10:12:26,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2576. [2024-11-07 10:12:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2576 states, 2241 states have (on average 1.1597501115573405) internal successors, (2599), 2277 states have internal predecessors, (2599), 274 states have call successors, (274), 60 states have call predecessors, (274), 60 states have return successors, (274), 238 states have call predecessors, (274), 274 states have call successors, (274) [2024-11-07 10:12:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3147 transitions. [2024-11-07 10:12:26,113 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3147 transitions. Word has length 147 [2024-11-07 10:12:26,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:26,114 INFO L471 AbstractCegarLoop]: Abstraction has 2576 states and 3147 transitions. [2024-11-07 10:12:26,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3147 transitions. [2024-11-07 10:12:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:12:26,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:26,116 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:26,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 10:12:26,117 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:26,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:26,117 INFO L85 PathProgramCache]: Analyzing trace with hash -364949336, now seen corresponding path program 1 times [2024-11-07 10:12:26,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:26,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864862744] [2024-11-07 10:12:26,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:27,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:27,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864862744] [2024-11-07 10:12:27,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864862744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:27,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:27,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 10:12:27,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013312919] [2024-11-07 10:12:27,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:27,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 10:12:27,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:27,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 10:12:27,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:12:27,029 INFO L87 Difference]: Start difference. First operand 2576 states and 3147 transitions. Second operand has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:28,978 INFO L93 Difference]: Finished difference Result 6898 states and 8486 transitions. [2024-11-07 10:12:28,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 10:12:28,979 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-07 10:12:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:28,989 INFO L225 Difference]: With dead ends: 6898 [2024-11-07 10:12:28,989 INFO L226 Difference]: Without dead ends: 4350 [2024-11-07 10:12:28,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2024-11-07 10:12:28,994 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 296 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:28,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1524 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 10:12:28,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2024-11-07 10:12:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 4104. [2024-11-07 10:12:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4104 states, 3544 states have (on average 1.1701467268623025) internal successors, (4147), 3601 states have internal predecessors, (4147), 464 states have call successors, (464), 95 states have call predecessors, (464), 95 states have return successors, (464), 407 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-07 10:12:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 4104 states and 5075 transitions. [2024-11-07 10:12:29,510 INFO L78 Accepts]: Start accepts. Automaton has 4104 states and 5075 transitions. Word has length 148 [2024-11-07 10:12:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:29,511 INFO L471 AbstractCegarLoop]: Abstraction has 4104 states and 5075 transitions. [2024-11-07 10:12:29,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 5075 transitions. [2024-11-07 10:12:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:12:29,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:29,512 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:29,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 10:12:29,513 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:29,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:29,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1549147951, now seen corresponding path program 1 times [2024-11-07 10:12:29,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:29,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692843779] [2024-11-07 10:12:29,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:29,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-07 10:12:29,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:29,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692843779] [2024-11-07 10:12:29,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692843779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:12:29,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864224543] [2024-11-07 10:12:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:29,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:12:29,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:12:29,857 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 10:12:29,858 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 10:12:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:30,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 10:12:30,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:12:30,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-07 10:12:30,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-07 10:12:30,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 10:12:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 272 proven. 36 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-07 10:12:30,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:12:30,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-07 10:12:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 60 proven. 39 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-07 10:12:30,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864224543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 10:12:30,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 10:12:30,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 12] total 23 [2024-11-07 10:12:30,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54926065] [2024-11-07 10:12:30,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 10:12:30,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 10:12:30,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:30,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 10:12:30,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-07 10:12:30,687 INFO L87 Difference]: Start difference. First operand 4104 states and 5075 transitions. Second operand has 23 states, 18 states have (on average 6.555555555555555) internal successors, (118), 23 states have internal predecessors, (118), 9 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 9 states have call successors, (46) [2024-11-07 10:12:31,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:31,546 INFO L93 Difference]: Finished difference Result 8664 states and 10534 transitions. [2024-11-07 10:12:31,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 10:12:31,546 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 18 states have (on average 6.555555555555555) internal successors, (118), 23 states have internal predecessors, (118), 9 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 9 states have call successors, (46) Word has length 148 [2024-11-07 10:12:31,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:31,558 INFO L225 Difference]: With dead ends: 8664 [2024-11-07 10:12:31,558 INFO L226 Difference]: Without dead ends: 4588 [2024-11-07 10:12:31,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2024-11-07 10:12:31,565 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 139 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:31,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 458 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:12:31,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2024-11-07 10:12:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 3787. [2024-11-07 10:12:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 3276 states have (on average 1.1642246642246643) internal successors, (3814), 3313 states have internal predecessors, (3814), 378 states have call successors, (378), 132 states have call predecessors, (378), 132 states have return successors, (378), 341 states have call predecessors, (378), 378 states have call successors, (378) [2024-11-07 10:12:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 4570 transitions. [2024-11-07 10:12:31,969 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 4570 transitions. Word has length 148 [2024-11-07 10:12:31,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:31,969 INFO L471 AbstractCegarLoop]: Abstraction has 3787 states and 4570 transitions. [2024-11-07 10:12:31,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 18 states have (on average 6.555555555555555) internal successors, (118), 23 states have internal predecessors, (118), 9 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 9 states have call successors, (46) [2024-11-07 10:12:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4570 transitions. [2024-11-07 10:12:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:12:31,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:31,971 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:31,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 10:12:32,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:12:32,173 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:32,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:32,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1683161457, now seen corresponding path program 1 times [2024-11-07 10:12:32,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:32,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81896022] [2024-11-07 10:12:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81896022] [2024-11-07 10:12:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81896022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:12:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693409925] [2024-11-07 10:12:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:32,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:12:32,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:32,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:12:32,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:12:32,875 INFO L87 Difference]: Start difference. First operand 3787 states and 4570 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:33,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:33,723 INFO L93 Difference]: Finished difference Result 8019 states and 9657 transitions. [2024-11-07 10:12:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:12:33,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-11-07 10:12:33,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:33,736 INFO L225 Difference]: With dead ends: 8019 [2024-11-07 10:12:33,736 INFO L226 Difference]: Without dead ends: 4252 [2024-11-07 10:12:33,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:12:33,743 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 46 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:33,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 679 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:12:33,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2024-11-07 10:12:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 3803. [2024-11-07 10:12:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3803 states, 3292 states have (on average 1.1622114216281896) internal successors, (3826), 3329 states have internal predecessors, (3826), 378 states have call successors, (378), 132 states have call predecessors, (378), 132 states have return successors, (378), 341 states have call predecessors, (378), 378 states have call successors, (378) [2024-11-07 10:12:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 4582 transitions. [2024-11-07 10:12:34,114 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 4582 transitions. Word has length 148 [2024-11-07 10:12:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:34,115 INFO L471 AbstractCegarLoop]: Abstraction has 3803 states and 4582 transitions. [2024-11-07 10:12:34,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 4582 transitions. [2024-11-07 10:12:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:12:34,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:34,117 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:34,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 10:12:34,117 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:34,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1802459213, now seen corresponding path program 1 times [2024-11-07 10:12:34,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:34,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427976726] [2024-11-07 10:12:34,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:34,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:34,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:34,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427976726] [2024-11-07 10:12:34,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427976726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:34,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:34,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:12:34,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134792233] [2024-11-07 10:12:34,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:34,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:12:34,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:34,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:12:34,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:12:34,422 INFO L87 Difference]: Start difference. First operand 3803 states and 4582 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:35,216 INFO L93 Difference]: Finished difference Result 5635 states and 6816 transitions. [2024-11-07 10:12:35,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:12:35,216 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-11-07 10:12:35,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:35,240 INFO L225 Difference]: With dead ends: 5635 [2024-11-07 10:12:35,240 INFO L226 Difference]: Without dead ends: 5633 [2024-11-07 10:12:35,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-07 10:12:35,248 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 117 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:35,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 2200 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:12:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2024-11-07 10:12:35,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5477. [2024-11-07 10:12:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 4673 states have (on average 1.1643483843355447) internal successors, (5441), 4726 states have internal predecessors, (5441), 598 states have call successors, (598), 205 states have call predecessors, (598), 205 states have return successors, (598), 545 states have call predecessors, (598), 598 states have call successors, (598) [2024-11-07 10:12:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6637 transitions. [2024-11-07 10:12:35,862 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6637 transitions. Word has length 148 [2024-11-07 10:12:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:35,862 INFO L471 AbstractCegarLoop]: Abstraction has 5477 states and 6637 transitions. [2024-11-07 10:12:35,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6637 transitions. [2024-11-07 10:12:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:12:35,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:35,863 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:35,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 10:12:35,864 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:35,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:35,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1220797207, now seen corresponding path program 1 times [2024-11-07 10:12:35,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:35,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999146417] [2024-11-07 10:12:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:35,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:36,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:36,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999146417] [2024-11-07 10:12:36,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999146417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:36,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:36,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:12:36,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287951273] [2024-11-07 10:12:36,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:36,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:12:36,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:36,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:12:36,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:12:36,382 INFO L87 Difference]: Start difference. First operand 5477 states and 6637 transitions. Second operand has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:38,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:38,088 INFO L93 Difference]: Finished difference Result 11430 states and 13795 transitions. [2024-11-07 10:12:38,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 10:12:38,089 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-07 10:12:38,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:38,102 INFO L225 Difference]: With dead ends: 11430 [2024-11-07 10:12:38,102 INFO L226 Difference]: Without dead ends: 5973 [2024-11-07 10:12:38,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:12:38,111 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 178 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:38,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 905 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:12:38,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5973 states. [2024-11-07 10:12:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5973 to 5033. [2024-11-07 10:12:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5033 states, 4356 states have (on average 1.161386593204775) internal successors, (5059), 4403 states have internal predecessors, (5059), 498 states have call successors, (498), 178 states have call predecessors, (498), 178 states have return successors, (498), 451 states have call predecessors, (498), 498 states have call successors, (498) [2024-11-07 10:12:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 6055 transitions. [2024-11-07 10:12:38,738 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 6055 transitions. Word has length 148 [2024-11-07 10:12:38,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:38,738 INFO L471 AbstractCegarLoop]: Abstraction has 5033 states and 6055 transitions. [2024-11-07 10:12:38,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-07 10:12:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 6055 transitions. [2024-11-07 10:12:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-07 10:12:38,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:38,740 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:38,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 10:12:38,740 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:38,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:38,740 INFO L85 PathProgramCache]: Analyzing trace with hash 129485498, now seen corresponding path program 1 times [2024-11-07 10:12:38,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:38,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705961455] [2024-11-07 10:12:38,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:39,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:39,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705961455] [2024-11-07 10:12:39,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705961455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:39,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:39,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:12:39,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539655256] [2024-11-07 10:12:39,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:39,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:12:39,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:39,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:12:39,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:12:39,112 INFO L87 Difference]: Start difference. First operand 5033 states and 6055 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:40,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:40,663 INFO L93 Difference]: Finished difference Result 10428 states and 12517 transitions. [2024-11-07 10:12:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:12:40,664 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2024-11-07 10:12:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:40,676 INFO L225 Difference]: With dead ends: 10428 [2024-11-07 10:12:40,677 INFO L226 Difference]: Without dead ends: 5415 [2024-11-07 10:12:40,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:12:40,684 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 159 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:40,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 962 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:12:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2024-11-07 10:12:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 4082. [2024-11-07 10:12:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4082 states, 3558 states have (on average 1.1593591905564924) internal successors, (4125), 3595 states have internal predecessors, (4125), 384 states have call successors, (384), 139 states have call predecessors, (384), 139 states have return successors, (384), 347 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-07 10:12:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 4893 transitions. [2024-11-07 10:12:41,261 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 4893 transitions. Word has length 149 [2024-11-07 10:12:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:41,265 INFO L471 AbstractCegarLoop]: Abstraction has 4082 states and 4893 transitions. [2024-11-07 10:12:41,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 4893 transitions. [2024-11-07 10:12:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 10:12:41,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:41,267 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:41,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 10:12:41,267 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:41,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:41,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1214860747, now seen corresponding path program 1 times [2024-11-07 10:12:41,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:41,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208383320] [2024-11-07 10:12:41,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:41,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:41,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:41,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208383320] [2024-11-07 10:12:41,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208383320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:41,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:41,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:12:41,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018345951] [2024-11-07 10:12:41,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:41,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:12:41,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:41,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:12:41,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:12:41,669 INFO L87 Difference]: Start difference. First operand 4082 states and 4893 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:43,504 INFO L93 Difference]: Finished difference Result 10651 states and 12771 transitions. [2024-11-07 10:12:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:12:43,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-07 10:12:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:43,517 INFO L225 Difference]: With dead ends: 10651 [2024-11-07 10:12:43,517 INFO L226 Difference]: Without dead ends: 6589 [2024-11-07 10:12:43,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:12:43,524 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 185 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:43,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 797 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:12:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2024-11-07 10:12:44,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 5063. [2024-11-07 10:12:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5063 states, 4367 states have (on average 1.1575452255553011) internal successors, (5055), 4413 states have internal predecessors, (5055), 510 states have call successors, (510), 185 states have call predecessors, (510), 185 states have return successors, (510), 464 states have call predecessors, (510), 510 states have call successors, (510) [2024-11-07 10:12:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 6075 transitions. [2024-11-07 10:12:44,141 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 6075 transitions. Word has length 151 [2024-11-07 10:12:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:44,141 INFO L471 AbstractCegarLoop]: Abstraction has 5063 states and 6075 transitions. [2024-11-07 10:12:44,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 6075 transitions. [2024-11-07 10:12:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:12:44,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:44,142 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:44,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 10:12:44,143 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:44,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1594130630, now seen corresponding path program 1 times [2024-11-07 10:12:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689246607] [2024-11-07 10:12:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:45,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:45,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689246607] [2024-11-07 10:12:45,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689246607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:45,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:45,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 10:12:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164342298] [2024-11-07 10:12:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:45,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 10:12:45,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:45,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 10:12:45,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:12:45,597 INFO L87 Difference]: Start difference. First operand 5063 states and 6075 transitions. Second operand has 16 states, 12 states have (on average 5.416666666666667) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-07 10:12:51,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:51,671 INFO L93 Difference]: Finished difference Result 10269 states and 12309 transitions. [2024-11-07 10:12:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 10:12:51,672 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 5.416666666666667) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) Word has length 152 [2024-11-07 10:12:51,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:51,681 INFO L225 Difference]: With dead ends: 10269 [2024-11-07 10:12:51,681 INFO L226 Difference]: Without dead ends: 5209 [2024-11-07 10:12:51,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2024-11-07 10:12:51,687 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 203 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:51,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1145 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-07 10:12:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5209 states. [2024-11-07 10:12:52,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5209 to 4971. [2024-11-07 10:12:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4971 states, 4294 states have (on average 1.1595249184909175) internal successors, (4979), 4338 states have internal predecessors, (4979), 496 states have call successors, (496), 180 states have call predecessors, (496), 180 states have return successors, (496), 452 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 10:12:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4971 states to 4971 states and 5971 transitions. [2024-11-07 10:12:52,346 INFO L78 Accepts]: Start accepts. Automaton has 4971 states and 5971 transitions. Word has length 152 [2024-11-07 10:12:52,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:52,347 INFO L471 AbstractCegarLoop]: Abstraction has 4971 states and 5971 transitions. [2024-11-07 10:12:52,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 5.416666666666667) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-07 10:12:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4971 states and 5971 transitions. [2024-11-07 10:12:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:12:52,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:52,348 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:52,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 10:12:52,348 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:52,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:52,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1934622519, now seen corresponding path program 1 times [2024-11-07 10:12:52,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:52,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046683077] [2024-11-07 10:12:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:52,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:52,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046683077] [2024-11-07 10:12:52,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046683077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:52,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:52,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:12:52,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770203339] [2024-11-07 10:12:52,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:52,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:12:52,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:52,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:12:52,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:12:52,724 INFO L87 Difference]: Start difference. First operand 4971 states and 5971 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:54,136 INFO L93 Difference]: Finished difference Result 10981 states and 13121 transitions. [2024-11-07 10:12:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:12:54,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 152 [2024-11-07 10:12:54,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:54,148 INFO L225 Difference]: With dead ends: 10981 [2024-11-07 10:12:54,149 INFO L226 Difference]: Without dead ends: 6013 [2024-11-07 10:12:54,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:12:54,153 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 62 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:54,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 697 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:12:54,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6013 states. [2024-11-07 10:12:54,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6013 to 3787. [2024-11-07 10:12:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 3321 states have (on average 1.1556760012044565) internal successors, (3838), 3353 states have internal predecessors, (3838), 338 states have call successors, (338), 127 states have call predecessors, (338), 127 states have return successors, (338), 306 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-07 10:12:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 4514 transitions. [2024-11-07 10:12:54,680 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 4514 transitions. Word has length 152 [2024-11-07 10:12:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:54,681 INFO L471 AbstractCegarLoop]: Abstraction has 3787 states and 4514 transitions. [2024-11-07 10:12:54,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4514 transitions. [2024-11-07 10:12:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-07 10:12:54,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:54,682 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:54,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 10:12:54,682 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:54,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:54,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1550570104, now seen corresponding path program 1 times [2024-11-07 10:12:54,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:54,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804543079] [2024-11-07 10:12:54,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:54,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:54,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:54,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804543079] [2024-11-07 10:12:54,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804543079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:54,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:54,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:12:54,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419661937] [2024-11-07 10:12:54,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:54,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:12:54,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:54,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:12:54,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:12:54,935 INFO L87 Difference]: Start difference. First operand 3787 states and 4514 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:55,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:55,831 INFO L93 Difference]: Finished difference Result 8072 states and 9583 transitions. [2024-11-07 10:12:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:12:55,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2024-11-07 10:12:55,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:55,841 INFO L225 Difference]: With dead ends: 8072 [2024-11-07 10:12:55,841 INFO L226 Difference]: Without dead ends: 4288 [2024-11-07 10:12:55,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:12:55,846 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 67 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:55,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 649 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:12:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2024-11-07 10:12:56,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 3238. [2024-11-07 10:12:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 2887 states have (on average 1.14859715968133) internal successors, (3316), 2910 states have internal predecessors, (3316), 250 states have call successors, (250), 100 states have call predecessors, (250), 100 states have return successors, (250), 227 states have call predecessors, (250), 250 states have call successors, (250) [2024-11-07 10:12:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 3816 transitions. [2024-11-07 10:12:56,334 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 3816 transitions. Word has length 153 [2024-11-07 10:12:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:56,335 INFO L471 AbstractCegarLoop]: Abstraction has 3238 states and 3816 transitions. [2024-11-07 10:12:56,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 3816 transitions. [2024-11-07 10:12:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 10:12:56,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:56,336 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:56,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 10:12:56,336 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:56,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:56,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1828188397, now seen corresponding path program 1 times [2024-11-07 10:12:56,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:56,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616488281] [2024-11-07 10:12:56,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:56,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 10:12:56,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616488281] [2024-11-07 10:12:56,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616488281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:56,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:56,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:12:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301246434] [2024-11-07 10:12:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:56,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:12:56,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:12:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:12:56,792 INFO L87 Difference]: Start difference. First operand 3238 states and 3816 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:57,777 INFO L93 Difference]: Finished difference Result 6741 states and 7921 transitions. [2024-11-07 10:12:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:12:57,778 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-11-07 10:12:57,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:57,789 INFO L225 Difference]: With dead ends: 6741 [2024-11-07 10:12:57,789 INFO L226 Difference]: Without dead ends: 3506 [2024-11-07 10:12:57,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:12:57,793 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 55 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:57,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 800 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:12:57,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3506 states. [2024-11-07 10:12:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3506 to 1554. [2024-11-07 10:12:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1440 states have (on average 1.13125) internal successors, (1629), 1448 states have internal predecessors, (1629), 80 states have call successors, (80), 33 states have call predecessors, (80), 33 states have return successors, (80), 72 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 10:12:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1789 transitions. [2024-11-07 10:12:58,009 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1789 transitions. Word has length 155 [2024-11-07 10:12:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:58,017 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 1789 transitions. [2024-11-07 10:12:58,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 10:12:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1789 transitions. [2024-11-07 10:12:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-07 10:12:58,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:12:58,019 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 10:12:58,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 10:12:58,019 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:12:58,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:12:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash -978363289, now seen corresponding path program 1 times [2024-11-07 10:12:58,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:12:58,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052118554] [2024-11-07 10:12:58,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:12:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:12:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:12:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:12:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:12:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:12:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:12:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:12:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:12:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:12:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:12:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:12:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:12:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:12:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:12:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:12:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:12:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:12:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:12:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:12:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 10:12:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 10:12:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 10:12:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 10:12:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 10:12:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 10:12:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 10:12:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 10:12:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 10:12:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 10:12:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 10:12:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-07 10:12:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 10:12:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 10:12:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 10:12:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 10:12:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 10:12:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 10:12:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:12:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2577 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2024-11-07 10:12:58,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:12:58,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052118554] [2024-11-07 10:12:58,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052118554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:12:58,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:12:58,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 10:12:58,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944376637] [2024-11-07 10:12:58,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:12:58,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 10:12:58,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:12:58,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 10:12:58,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:12:58,112 INFO L87 Difference]: Start difference. First operand 1554 states and 1789 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:58,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:12:58,325 INFO L93 Difference]: Finished difference Result 2864 states and 3258 transitions. [2024-11-07 10:12:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 10:12:58,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 274 [2024-11-07 10:12:58,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:12:58,330 INFO L225 Difference]: With dead ends: 2864 [2024-11-07 10:12:58,330 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 10:12:58,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 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 10:12:58,332 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 41 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:12:58,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 291 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:12:58,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 10:12:58,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 10:12:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 10:12:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 10:12:58,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2024-11-07 10:12:58,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:12:58,334 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 10:12:58,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 10:12:58,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 10:12:58,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 10:12:58,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 10:12:58,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 10:12:58,338 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 10:12:58,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.