./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.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-85.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', 'f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd'] 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-85.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 f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 10:17:47,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 10:17:47,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 10:17:47,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 10:17:47,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 10:17:47,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 10:17:47,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 10:17:47,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 10:17:47,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 10:17:47,223 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 10:17:47,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 10:17:47,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 10:17:47,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 10:17:47,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 10:17:47,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 10:17:47,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 10:17:47,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 10:17:47,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 10:17:47,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 10:17:47,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 10:17:47,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 10:17:47,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 10:17:47,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 10:17:47,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 10:17:47,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 10:17:47,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:17:47,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 10:17:47,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 10:17:47,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 10:17:47,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 10:17:47,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 10:17:47,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 10:17:47,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 10:17:47,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 10:17:47,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 10:17:47,229 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 -> f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd [2024-11-07 10:17:47,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 10:17:47,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 10:17:47,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 10:17:47,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 10:17:47,538 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 10:17:47,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i [2024-11-07 10:17:48,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 10:17:49,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 10:17:49,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i [2024-11-07 10:17:49,127 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2a3e6ffd/0affd5813a90402cb2bf13fe5910420f/FLAG8fb28034e [2024-11-07 10:17:49,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2a3e6ffd/0affd5813a90402cb2bf13fe5910420f [2024-11-07 10:17:49,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 10:17:49,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 10:17:49,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 10:17:49,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 10:17:49,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 10:17:49,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a963ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49, skipping insertion in model container [2024-11-07 10:17:49,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 10:17:49,326 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-85.i[916,929] [2024-11-07 10:17:49,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:17:49,410 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 10:17:49,425 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-85.i[916,929] [2024-11-07 10:17:49,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:17:49,501 INFO L204 MainTranslator]: Completed translation [2024-11-07 10:17:49,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49 WrapperNode [2024-11-07 10:17:49,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 10:17:49,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 10:17:49,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 10:17:49,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 10:17:49,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,598 INFO L138 Inliner]: procedures = 27, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 521 [2024-11-07 10:17:49,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 10:17:49,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 10:17:49,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 10:17:49,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 10:17:49,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,656 INFO L175 MemorySlicer]: Split 140 memory accesses to 6 slices as follows [2, 70, 25, 7, 29, 7]. 50 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 0, 3, 1, 2, 1]. The 33 writes are split as follows [0, 23, 4, 3, 2, 1]. [2024-11-07 10:17:49,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 10:17:49,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 10:17:49,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 10:17:49,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 10:17:49,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (1/1) ... [2024-11-07 10:17:49,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:17:49,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:17:49,763 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 10:17:49,767 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 10:17:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 10:17:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 10:17:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 10:17:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 10:17:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 10:17:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 10:17:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 10:17:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 10:17:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 10:17:49,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 10:17:49,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 10:17:50,601 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-07 10:17:50,602 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 10:17:50,618 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 10:17:50,620 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 10:17:50,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:17:50 BoogieIcfgContainer [2024-11-07 10:17:50,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 10:17:50,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 10:17:50,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 10:17:50,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 10:17:50,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:17:49" (1/3) ... [2024-11-07 10:17:50,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19728847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:17:50, skipping insertion in model container [2024-11-07 10:17:50,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:17:49" (2/3) ... [2024-11-07 10:17:50,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19728847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:17:50, skipping insertion in model container [2024-11-07 10:17:50,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:17:50" (3/3) ... [2024-11-07 10:17:50,631 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-85.i [2024-11-07 10:17:50,646 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 10:17:50,647 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 10:17:50,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 10:17:50,720 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;@6ebf7a5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 10:17:50,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 10:17:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 10:17:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 10:17:50,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:17:50,740 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:50,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:17:50,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:17:50,745 INFO L85 PathProgramCache]: Analyzing trace with hash -632733008, now seen corresponding path program 1 times [2024-11-07 10:17:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:17:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385906589] [2024-11-07 10:17:50,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:17:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:17:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:17:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:17:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:17:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:17:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:17:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:17:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:17:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:17:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:17:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:17:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:17:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:17:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:17:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:17:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:17:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:17:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:17:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:17:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:17:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:17:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:17:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:17:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:17:51,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:17:51,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385906589] [2024-11-07 10:17:51,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385906589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:17:51,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:17:51,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 10:17:51,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901476472] [2024-11-07 10:17:51,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:17:51,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 10:17:51,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:17:51,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 10:17:51,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:17:51,362 INFO L87 Difference]: Start difference. First operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:17:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:17:51,399 INFO L93 Difference]: Finished difference Result 255 states and 399 transitions. [2024-11-07 10:17:51,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 10:17:51,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-07 10:17:51,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:17:51,411 INFO L225 Difference]: With dead ends: 255 [2024-11-07 10:17:51,412 INFO L226 Difference]: Without dead ends: 127 [2024-11-07 10:17:51,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:17:51,423 INFO L432 NwaCegarLoop]: 184 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, 184 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 10:17:51,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:17:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-07 10:17:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-07 10:17:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 10:17:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-07 10:17:51,476 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 179 [2024-11-07 10:17:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:17:51,477 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-07 10:17:51,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:17:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-07 10:17:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 10:17:51,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:17:51,481 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:51,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 10:17:51,481 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:17:51,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:17:51,482 INFO L85 PathProgramCache]: Analyzing trace with hash -493224382, now seen corresponding path program 1 times [2024-11-07 10:17:51,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:17:51,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15859784] [2024-11-07 10:17:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:17:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:17:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:17:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:17:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:17:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:17:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:17:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:17:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:17:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:17:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:17:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:17:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:17:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:17:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:17:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:17:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:17:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:17:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:17:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:17:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:17:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:17:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:17:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:17:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:54,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:17:54,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:17:54,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15859784] [2024-11-07 10:17:54,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15859784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:17:54,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:17:54,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:17:54,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675470997] [2024-11-07 10:17:54,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:17:54,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:17:54,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:17:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:17:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:17:54,070 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:17:54,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:17:54,822 INFO L93 Difference]: Finished difference Result 470 states and 679 transitions. [2024-11-07 10:17:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:17:54,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-07 10:17:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:17:54,827 INFO L225 Difference]: With dead ends: 470 [2024-11-07 10:17:54,827 INFO L226 Difference]: Without dead ends: 346 [2024-11-07 10:17:54,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:17:54,829 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 355 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:17:54,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 706 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:17:54,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-07 10:17:54,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 199. [2024-11-07 10:17:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 171 states have (on average 1.391812865497076) internal successors, (238), 172 states have internal predecessors, (238), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:17:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 288 transitions. [2024-11-07 10:17:54,880 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 288 transitions. Word has length 179 [2024-11-07 10:17:54,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:17:54,881 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 288 transitions. [2024-11-07 10:17:54,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:17:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 288 transitions. [2024-11-07 10:17:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:17:54,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:17:54,887 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:54,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 10:17:54,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:17:54,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:17:54,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1535301185, now seen corresponding path program 1 times [2024-11-07 10:17:54,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:17:54,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081219737] [2024-11-07 10:17:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:17:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:17:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:17:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:17:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:17:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:17:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:17:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:17:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:17:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:17:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:17:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:17:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:17:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:17:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:17:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:17:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:17:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:17:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:17:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:17:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:17:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:17:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:17:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:17:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:17:55,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:17:55,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081219737] [2024-11-07 10:17:55,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081219737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:17:55,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:17:55,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:17:55,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096113592] [2024-11-07 10:17:55,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:17:55,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:17:55,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:17:55,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:17:55,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:17:55,360 INFO L87 Difference]: Start difference. First operand 199 states and 288 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:17:55,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:17:55,769 INFO L93 Difference]: Finished difference Result 575 states and 834 transitions. [2024-11-07 10:17:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:17:55,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:17:55,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:17:55,777 INFO L225 Difference]: With dead ends: 575 [2024-11-07 10:17:55,777 INFO L226 Difference]: Without dead ends: 379 [2024-11-07 10:17:55,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 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 10:17:55,781 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 160 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:17:55,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 508 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:17:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-07 10:17:55,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 203. [2024-11-07 10:17:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 175 states have (on average 1.3828571428571428) internal successors, (242), 176 states have internal predecessors, (242), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:17:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 292 transitions. [2024-11-07 10:17:55,823 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 292 transitions. Word has length 180 [2024-11-07 10:17:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:17:55,823 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 292 transitions. [2024-11-07 10:17:55,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:17:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 292 transitions. [2024-11-07 10:17:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:17:55,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:17:55,828 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:55,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 10:17:55,828 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:17:55,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:17:55,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1213410666, now seen corresponding path program 1 times [2024-11-07 10:17:55,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:17:55,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58320495] [2024-11-07 10:17:55,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:17:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:17:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:17:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:17:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:17:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:17:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:17:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:17:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:17:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:17:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:17:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:17:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:17:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:17:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:17:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:17:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:17:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:17:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:17:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:17:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:17:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:17:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:17:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:17:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:17:56,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:17:56,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58320495] [2024-11-07 10:17:56,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58320495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:17:56,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:17:56,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:17:56,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576975368] [2024-11-07 10:17:56,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:17:56,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:17:56,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:17:56,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:17:56,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:17:56,462 INFO L87 Difference]: Start difference. First operand 203 states and 292 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:17:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:17:57,071 INFO L93 Difference]: Finished difference Result 782 states and 1124 transitions. [2024-11-07 10:17:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:17:57,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:17:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:17:57,079 INFO L225 Difference]: With dead ends: 782 [2024-11-07 10:17:57,080 INFO L226 Difference]: Without dead ends: 582 [2024-11-07 10:17:57,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:17:57,082 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 414 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:17:57,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 995 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:17:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-07 10:17:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 249. [2024-11-07 10:17:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 221 states have (on average 1.3936651583710407) internal successors, (308), 222 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:17:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 358 transitions. [2024-11-07 10:17:57,118 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 358 transitions. Word has length 180 [2024-11-07 10:17:57,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:17:57,120 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 358 transitions. [2024-11-07 10:17:57,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:17:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 358 transitions. [2024-11-07 10:17:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:17:57,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:17:57,123 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:57,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 10:17:57,123 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:17:57,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:17:57,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2060488276, now seen corresponding path program 1 times [2024-11-07 10:17:57,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:17:57,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967437442] [2024-11-07 10:17:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:57,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:17:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:17:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:17:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:17:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:17:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:17:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:17:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:17:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:17:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:17:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:17:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:17:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:17:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:17:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:17:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:17:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:17:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:17:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:17:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:17:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:17:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:17:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:17:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:17:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:17:58,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:17:58,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967437442] [2024-11-07 10:17:58,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967437442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:17:58,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637445838] [2024-11-07 10:17:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:58,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:17:58,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:17:58,233 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 10:17:58,235 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 10:17:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:17:58,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 10:17:58,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:17:58,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-07 10:17:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:17:58,660 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 10:17:58,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637445838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:17:58,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 10:17:58,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-07 10:17:58,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429300826] [2024-11-07 10:17:58,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:17:58,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:17:58,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:17:58,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:17:58,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:17:58,663 INFO L87 Difference]: Start difference. First operand 249 states and 358 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:17:58,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:17:58,829 INFO L93 Difference]: Finished difference Result 737 states and 1062 transitions. [2024-11-07 10:17:58,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:17:58,830 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:17:58,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:17:58,833 INFO L225 Difference]: With dead ends: 737 [2024-11-07 10:17:58,834 INFO L226 Difference]: Without dead ends: 491 [2024-11-07 10:17:58,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-07 10:17:58,836 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 177 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:17:58,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1843 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:17:58,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-07 10:17:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 263. [2024-11-07 10:17:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 235 states have (on average 1.3787234042553191) internal successors, (324), 236 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:17:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 374 transitions. [2024-11-07 10:17:58,863 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 374 transitions. Word has length 180 [2024-11-07 10:17:58,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:17:58,864 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 374 transitions. [2024-11-07 10:17:58,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:17:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 374 transitions. [2024-11-07 10:17:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:17:58,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:17:58,867 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:58,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 10:17:59,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:17:59,072 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:17:59,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:17:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash -395762216, now seen corresponding path program 1 times [2024-11-07 10:17:59,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:17:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717987938] [2024-11-07 10:17:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:17:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:17:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:00,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:00,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717987938] [2024-11-07 10:18:00,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717987938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:18:00,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40149647] [2024-11-07 10:18:00,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:00,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:18:00,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:18:00,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 10:18:00,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 10:18:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:00,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-07 10:18:00,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:18:00,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-07 10:18:00,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-07 10:18:00,629 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 23 treesize of output 15 [2024-11-07 10:18:00,662 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 23 treesize of output 11 [2024-11-07 10:18:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:00,725 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:18:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:00,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40149647] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 10:18:00,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 10:18:00,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 12] total 21 [2024-11-07 10:18:00,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424840141] [2024-11-07 10:18:00,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:00,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:18:00,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:00,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:18:00,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2024-11-07 10:18:00,986 INFO L87 Difference]: Start difference. First operand 263 states and 374 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:01,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:01,538 INFO L93 Difference]: Finished difference Result 677 states and 964 transitions. [2024-11-07 10:18:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:18:01,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:18:01,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:01,543 INFO L225 Difference]: With dead ends: 677 [2024-11-07 10:18:01,544 INFO L226 Difference]: Without dead ends: 417 [2024-11-07 10:18:01,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2024-11-07 10:18:01,546 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 144 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:01,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1515 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:18:01,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-07 10:18:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 265. [2024-11-07 10:18:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 237 states have (on average 1.3839662447257384) internal successors, (328), 238 states have internal predecessors, (328), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2024-11-07 10:18:01,577 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 180 [2024-11-07 10:18:01,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:01,578 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2024-11-07 10:18:01,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2024-11-07 10:18:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:18:01,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:01,580 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:01,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 10:18:01,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:18:01,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:01,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1416830570, now seen corresponding path program 1 times [2024-11-07 10:18:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:01,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337169757] [2024-11-07 10:18:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:01,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:02,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:02,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337169757] [2024-11-07 10:18:02,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337169757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:02,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:02,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:18:02,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603592548] [2024-11-07 10:18:02,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:02,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:18:02,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:18:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:18:02,279 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:02,813 INFO L93 Difference]: Finished difference Result 868 states and 1236 transitions. [2024-11-07 10:18:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:18:02,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:18:02,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:02,818 INFO L225 Difference]: With dead ends: 868 [2024-11-07 10:18:02,818 INFO L226 Difference]: Without dead ends: 606 [2024-11-07 10:18:02,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:18:02,819 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 321 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:02,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1584 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:18:02,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-07 10:18:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 273. [2024-11-07 10:18:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 245 states have (on average 1.3714285714285714) internal successors, (336), 246 states have internal predecessors, (336), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 386 transitions. [2024-11-07 10:18:02,844 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 386 transitions. Word has length 180 [2024-11-07 10:18:02,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:02,845 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 386 transitions. [2024-11-07 10:18:02,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 386 transitions. [2024-11-07 10:18:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:18:02,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:02,848 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:02,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 10:18:02,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:02,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 576235292, now seen corresponding path program 1 times [2024-11-07 10:18:02,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:02,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097035179] [2024-11-07 10:18:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:03,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:03,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097035179] [2024-11-07 10:18:03,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097035179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:03,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:03,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:03,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849835880] [2024-11-07 10:18:03,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:03,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:03,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:03,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:03,289 INFO L87 Difference]: Start difference. First operand 273 states and 386 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:03,446 INFO L93 Difference]: Finished difference Result 705 states and 1000 transitions. [2024-11-07 10:18:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:03,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:18:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:03,451 INFO L225 Difference]: With dead ends: 705 [2024-11-07 10:18:03,453 INFO L226 Difference]: Without dead ends: 435 [2024-11-07 10:18:03,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:18:03,455 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 147 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:03,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1196 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:18:03,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-07 10:18:03,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 281. [2024-11-07 10:18:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 253 states have (on average 1.3754940711462451) internal successors, (348), 254 states have internal predecessors, (348), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 398 transitions. [2024-11-07 10:18:03,485 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 398 transitions. Word has length 180 [2024-11-07 10:18:03,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:03,486 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 398 transitions. [2024-11-07 10:18:03,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 398 transitions. [2024-11-07 10:18:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:18:03,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:03,490 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:03,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 10:18:03,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:03,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:03,491 INFO L85 PathProgramCache]: Analyzing trace with hash -444833062, now seen corresponding path program 1 times [2024-11-07 10:18:03,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:03,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704955604] [2024-11-07 10:18:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:03,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:03,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704955604] [2024-11-07 10:18:03,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704955604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:03,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:03,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206805121] [2024-11-07 10:18:03,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:03,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:03,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:03,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:03,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:03,877 INFO L87 Difference]: Start difference. First operand 281 states and 398 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:04,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:04,221 INFO L93 Difference]: Finished difference Result 837 states and 1184 transitions. [2024-11-07 10:18:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:18:04,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:18:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:04,225 INFO L225 Difference]: With dead ends: 837 [2024-11-07 10:18:04,225 INFO L226 Difference]: Without dead ends: 559 [2024-11-07 10:18:04,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:18:04,227 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 157 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:04,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 987 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:04,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-07 10:18:04,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 341. [2024-11-07 10:18:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 313 states have (on average 1.3993610223642172) internal successors, (438), 314 states have internal predecessors, (438), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 488 transitions. [2024-11-07 10:18:04,251 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 488 transitions. Word has length 180 [2024-11-07 10:18:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:04,252 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 488 transitions. [2024-11-07 10:18:04,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 488 transitions. [2024-11-07 10:18:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:18:04,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:04,254 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:04,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 10:18:04,255 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash 898125811, now seen corresponding path program 1 times [2024-11-07 10:18:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:04,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224430330] [2024-11-07 10:18:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:04,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:04,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224430330] [2024-11-07 10:18:04,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224430330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:04,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:04,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:18:04,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283312167] [2024-11-07 10:18:04,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:04,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:18:04,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:04,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:18:04,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:18:04,519 INFO L87 Difference]: Start difference. First operand 341 states and 488 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:04,860 INFO L93 Difference]: Finished difference Result 927 states and 1336 transitions. [2024-11-07 10:18:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:18:04,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:18:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:04,866 INFO L225 Difference]: With dead ends: 927 [2024-11-07 10:18:04,866 INFO L226 Difference]: Without dead ends: 589 [2024-11-07 10:18:04,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 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 10:18:04,869 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 158 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:04,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 837 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:04,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-07 10:18:04,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 339. [2024-11-07 10:18:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 311 states have (on average 1.3762057877813505) internal successors, (428), 312 states have internal predecessors, (428), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 478 transitions. [2024-11-07 10:18:04,900 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 478 transitions. Word has length 180 [2024-11-07 10:18:04,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:04,900 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 478 transitions. [2024-11-07 10:18:04,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 478 transitions. [2024-11-07 10:18:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:18:04,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:04,903 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:04,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 10:18:04,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:04,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:04,905 INFO L85 PathProgramCache]: Analyzing trace with hash 256766812, now seen corresponding path program 1 times [2024-11-07 10:18:04,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:04,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18931441] [2024-11-07 10:18:04,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:04,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:05,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18931441] [2024-11-07 10:18:05,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18931441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:05,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:05,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:18:05,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015862770] [2024-11-07 10:18:05,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:05,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:18:05,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:05,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:18:05,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:05,049 INFO L87 Difference]: Start difference. First operand 339 states and 478 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:05,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:05,080 INFO L93 Difference]: Finished difference Result 641 states and 902 transitions. [2024-11-07 10:18:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:18:05,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:18:05,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:05,086 INFO L225 Difference]: With dead ends: 641 [2024-11-07 10:18:05,086 INFO L226 Difference]: Without dead ends: 305 [2024-11-07 10:18:05,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:05,088 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:05,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-07 10:18:05,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-07 10:18:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.3537906137184115) internal successors, (375), 278 states have internal predecessors, (375), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 425 transitions. [2024-11-07 10:18:05,106 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 425 transitions. Word has length 180 [2024-11-07 10:18:05,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:05,106 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 425 transitions. [2024-11-07 10:18:05,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 425 transitions. [2024-11-07 10:18:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:18:05,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:05,110 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:05,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 10:18:05,110 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:05,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:05,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1900634344, now seen corresponding path program 1 times [2024-11-07 10:18:05,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:05,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180499170] [2024-11-07 10:18:05,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:05,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:05,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180499170] [2024-11-07 10:18:05,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180499170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:05,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:05,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:18:05,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19071148] [2024-11-07 10:18:05,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:05,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:18:05,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:05,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:18:05,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:18:05,288 INFO L87 Difference]: Start difference. First operand 305 states and 425 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:05,323 INFO L93 Difference]: Finished difference Result 613 states and 855 transitions. [2024-11-07 10:18:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:18:05,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:18:05,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:05,326 INFO L225 Difference]: With dead ends: 613 [2024-11-07 10:18:05,326 INFO L226 Difference]: Without dead ends: 311 [2024-11-07 10:18:05,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 10:18:05,327 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:05,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 707 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:05,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-07 10:18:05,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-07 10:18:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 283 states have (on average 1.3462897526501767) internal successors, (381), 284 states have internal predecessors, (381), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 431 transitions. [2024-11-07 10:18:05,344 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 431 transitions. Word has length 181 [2024-11-07 10:18:05,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:05,344 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 431 transitions. [2024-11-07 10:18:05,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 431 transitions. [2024-11-07 10:18:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:18:05,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:05,347 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:05,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 10:18:05,347 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:05,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:05,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1973020902, now seen corresponding path program 1 times [2024-11-07 10:18:05,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:05,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331099148] [2024-11-07 10:18:05,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:05,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:05,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331099148] [2024-11-07 10:18:05,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331099148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:05,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:05,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:05,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425104949] [2024-11-07 10:18:05,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:05,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:05,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:05,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:05,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:05,843 INFO L87 Difference]: Start difference. First operand 311 states and 431 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:06,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:06,407 INFO L93 Difference]: Finished difference Result 789 states and 1094 transitions. [2024-11-07 10:18:06,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:06,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:18:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:06,410 INFO L225 Difference]: With dead ends: 789 [2024-11-07 10:18:06,410 INFO L226 Difference]: Without dead ends: 481 [2024-11-07 10:18:06,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:18:06,412 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 309 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:06,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 758 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:18:06,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-07 10:18:06,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 308. [2024-11-07 10:18:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3464285714285715) internal successors, (377), 281 states have internal predecessors, (377), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 427 transitions. [2024-11-07 10:18:06,438 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 427 transitions. Word has length 181 [2024-11-07 10:18:06,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:06,439 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 427 transitions. [2024-11-07 10:18:06,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 427 transitions. [2024-11-07 10:18:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:18:06,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:06,442 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:06,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 10:18:06,442 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:06,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:06,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1654071006, now seen corresponding path program 1 times [2024-11-07 10:18:06,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:06,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027000147] [2024-11-07 10:18:06,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:06,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:06,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:06,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027000147] [2024-11-07 10:18:06,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027000147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:06,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:06,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:06,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333794577] [2024-11-07 10:18:06,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:06,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:06,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:06,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:06,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:06,926 INFO L87 Difference]: Start difference. First operand 308 states and 427 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:07,324 INFO L93 Difference]: Finished difference Result 737 states and 1023 transitions. [2024-11-07 10:18:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:07,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:18:07,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:07,328 INFO L225 Difference]: With dead ends: 737 [2024-11-07 10:18:07,329 INFO L226 Difference]: Without dead ends: 432 [2024-11-07 10:18:07,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:18:07,330 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 306 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:07,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 489 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:07,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-07 10:18:07,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 308. [2024-11-07 10:18:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3428571428571427) internal successors, (376), 281 states have internal predecessors, (376), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 426 transitions. [2024-11-07 10:18:07,354 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 426 transitions. Word has length 181 [2024-11-07 10:18:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:07,355 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 426 transitions. [2024-11-07 10:18:07,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 426 transitions. [2024-11-07 10:18:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:18:07,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:07,357 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:07,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 10:18:07,357 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:07,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash 633002652, now seen corresponding path program 1 times [2024-11-07 10:18:07,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:07,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760642153] [2024-11-07 10:18:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:07,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:08,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:08,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760642153] [2024-11-07 10:18:08,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760642153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:18:08,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206061678] [2024-11-07 10:18:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:08,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:18:08,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:18:08,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 10:18:08,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 10:18:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:08,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 10:18:08,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:18:08,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-07 10:18:08,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 10:18:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:08,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:18:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:08,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206061678] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 10:18:08,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 10:18:08,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 10] total 17 [2024-11-07 10:18:08,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556014332] [2024-11-07 10:18:08,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:08,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:08,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:08,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:08,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:18:08,607 INFO L87 Difference]: Start difference. First operand 308 states and 426 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:08,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:08,778 INFO L93 Difference]: Finished difference Result 711 states and 989 transitions. [2024-11-07 10:18:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:08,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:18:08,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:08,782 INFO L225 Difference]: With dead ends: 711 [2024-11-07 10:18:08,782 INFO L226 Difference]: Without dead ends: 406 [2024-11-07 10:18:08,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-11-07 10:18:08,783 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 138 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:08,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1371 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:18:08,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-07 10:18:08,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 307. [2024-11-07 10:18:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 279 states have (on average 1.3440860215053763) internal successors, (375), 280 states have internal predecessors, (375), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 425 transitions. [2024-11-07 10:18:08,807 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 425 transitions. Word has length 181 [2024-11-07 10:18:08,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:08,808 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 425 transitions. [2024-11-07 10:18:08,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 425 transitions. [2024-11-07 10:18:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:18:08,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:08,811 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:08,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 10:18:09,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:18:09,016 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:09,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:09,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2112639665, now seen corresponding path program 1 times [2024-11-07 10:18:09,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:09,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191481249] [2024-11-07 10:18:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:09,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:09,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191481249] [2024-11-07 10:18:09,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191481249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:09,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:09,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 10:18:09,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611398291] [2024-11-07 10:18:09,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:09,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 10:18:09,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:09,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 10:18:09,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:18:09,134 INFO L87 Difference]: Start difference. First operand 307 states and 425 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:09,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:09,158 INFO L93 Difference]: Finished difference Result 612 states and 849 transitions. [2024-11-07 10:18:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 10:18:09,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-07 10:18:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:09,160 INFO L225 Difference]: With dead ends: 612 [2024-11-07 10:18:09,161 INFO L226 Difference]: Without dead ends: 308 [2024-11-07 10:18:09,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:18:09,163 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:09,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:09,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-07 10:18:09,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-07 10:18:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3428571428571427) internal successors, (376), 281 states have internal predecessors, (376), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:18:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 426 transitions. [2024-11-07 10:18:09,183 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 426 transitions. Word has length 182 [2024-11-07 10:18:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:09,184 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 426 transitions. [2024-11-07 10:18:09,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 426 transitions. [2024-11-07 10:18:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:18:09,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:09,186 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:09,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 10:18:09,186 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:09,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:09,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1083280367, now seen corresponding path program 1 times [2024-11-07 10:18:09,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:09,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559362423] [2024-11-07 10:18:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:09,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:09,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559362423] [2024-11-07 10:18:09,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559362423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:09,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:09,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:09,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785442274] [2024-11-07 10:18:09,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:09,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:09,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:09,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:09,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:09,468 INFO L87 Difference]: Start difference. First operand 308 states and 426 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:09,718 INFO L93 Difference]: Finished difference Result 826 states and 1140 transitions. [2024-11-07 10:18:09,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:09,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 182 [2024-11-07 10:18:09,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:09,722 INFO L225 Difference]: With dead ends: 826 [2024-11-07 10:18:09,722 INFO L226 Difference]: Without dead ends: 521 [2024-11-07 10:18:09,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 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 10:18:09,724 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 160 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:09,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1139 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:09,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-07 10:18:09,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 518. [2024-11-07 10:18:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 468 states have (on average 1.3333333333333333) internal successors, (624), 471 states have internal predecessors, (624), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 714 transitions. [2024-11-07 10:18:09,756 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 714 transitions. Word has length 182 [2024-11-07 10:18:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:09,757 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 714 transitions. [2024-11-07 10:18:09,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 714 transitions. [2024-11-07 10:18:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:18:09,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:09,760 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:09,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 10:18:09,760 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:09,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash 688913581, now seen corresponding path program 1 times [2024-11-07 10:18:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:09,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758348084] [2024-11-07 10:18:09,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:10,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:10,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758348084] [2024-11-07 10:18:10,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758348084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:10,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:10,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:18:10,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227319288] [2024-11-07 10:18:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:10,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:18:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:10,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:18:10,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:18:10,165 INFO L87 Difference]: Start difference. First operand 518 states and 714 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:10,735 INFO L93 Difference]: Finished difference Result 1307 states and 1809 transitions. [2024-11-07 10:18:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:18:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-07 10:18:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:10,740 INFO L225 Difference]: With dead ends: 1307 [2024-11-07 10:18:10,740 INFO L226 Difference]: Without dead ends: 792 [2024-11-07 10:18:10,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:18:10,742 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 308 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:10,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 969 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:18:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-11-07 10:18:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 510. [2024-11-07 10:18:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 460 states have (on average 1.3347826086956522) internal successors, (614), 463 states have internal predecessors, (614), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 704 transitions. [2024-11-07 10:18:10,779 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 704 transitions. Word has length 182 [2024-11-07 10:18:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:10,780 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 704 transitions. [2024-11-07 10:18:10,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 704 transitions. [2024-11-07 10:18:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:18:10,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:10,782 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:10,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 10:18:10,782 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:10,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash 485493677, now seen corresponding path program 1 times [2024-11-07 10:18:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:10,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327383139] [2024-11-07 10:18:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:11,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:11,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327383139] [2024-11-07 10:18:11,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327383139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:11,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:11,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:18:11,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360690904] [2024-11-07 10:18:11,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:11,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:18:11,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:11,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:18:11,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:18:11,027 INFO L87 Difference]: Start difference. First operand 510 states and 704 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:11,117 INFO L93 Difference]: Finished difference Result 947 states and 1305 transitions. [2024-11-07 10:18:11,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:18:11,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 182 [2024-11-07 10:18:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:11,121 INFO L225 Difference]: With dead ends: 947 [2024-11-07 10:18:11,121 INFO L226 Difference]: Without dead ends: 440 [2024-11-07 10:18:11,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 10:18:11,123 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:11,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 656 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:18:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-07 10:18:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-07 10:18:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 390 states have (on average 1.3153846153846154) internal successors, (513), 393 states have internal predecessors, (513), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 603 transitions. [2024-11-07 10:18:11,156 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 603 transitions. Word has length 182 [2024-11-07 10:18:11,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:11,157 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 603 transitions. [2024-11-07 10:18:11,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 603 transitions. [2024-11-07 10:18:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 10:18:11,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:11,159 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:11,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 10:18:11,160 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:11,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:11,160 INFO L85 PathProgramCache]: Analyzing trace with hash -621272487, now seen corresponding path program 1 times [2024-11-07 10:18:11,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:11,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828610572] [2024-11-07 10:18:11,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:11,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:11,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:11,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828610572] [2024-11-07 10:18:11,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828610572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:11,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:11,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:18:11,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187709554] [2024-11-07 10:18:11,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:11,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:18:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:11,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:18:11,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:18:11,577 INFO L87 Difference]: Start difference. First operand 440 states and 603 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:11,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:11,776 INFO L93 Difference]: Finished difference Result 947 states and 1300 transitions. [2024-11-07 10:18:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:18:11,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-07 10:18:11,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:11,780 INFO L225 Difference]: With dead ends: 947 [2024-11-07 10:18:11,780 INFO L226 Difference]: Without dead ends: 510 [2024-11-07 10:18:11,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:18:11,784 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 163 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1460 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 10:18:11,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1460 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:18:11,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-07 10:18:11,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 452. [2024-11-07 10:18:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 402 states have (on average 1.3059701492537314) internal successors, (525), 405 states have internal predecessors, (525), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2024-11-07 10:18:11,832 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 183 [2024-11-07 10:18:11,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:11,832 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2024-11-07 10:18:11,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2024-11-07 10:18:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-07 10:18:11,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:11,845 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:11,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 10:18:11,845 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:11,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash -67911810, now seen corresponding path program 1 times [2024-11-07 10:18:11,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:11,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883347779] [2024-11-07 10:18:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:11,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:11,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883347779] [2024-11-07 10:18:11,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883347779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:11,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:11,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 10:18:11,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327593063] [2024-11-07 10:18:11,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:11,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 10:18:11,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:11,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 10:18:11,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:18:11,998 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:12,055 INFO L93 Difference]: Finished difference Result 905 states and 1235 transitions. [2024-11-07 10:18:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 10:18:12,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-07 10:18:12,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:12,058 INFO L225 Difference]: With dead ends: 905 [2024-11-07 10:18:12,059 INFO L226 Difference]: Without dead ends: 456 [2024-11-07 10:18:12,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:18:12,061 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:12,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-07 10:18:12,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-07 10:18:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 406 states have (on average 1.3029556650246306) internal successors, (529), 409 states have internal predecessors, (529), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 619 transitions. [2024-11-07 10:18:12,112 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 619 transitions. Word has length 185 [2024-11-07 10:18:12,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:12,113 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 619 transitions. [2024-11-07 10:18:12,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 619 transitions. [2024-11-07 10:18:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-07 10:18:12,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:12,116 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:12,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 10:18:12,117 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:12,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:12,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1656259712, now seen corresponding path program 1 times [2024-11-07 10:18:12,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:12,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439587286] [2024-11-07 10:18:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:12,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:12,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:12,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439587286] [2024-11-07 10:18:12,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439587286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:12,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:12,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:18:12,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885745565] [2024-11-07 10:18:12,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:12,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:18:12,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:12,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:18:12,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:18:12,340 INFO L87 Difference]: Start difference. First operand 456 states and 619 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:12,528 INFO L93 Difference]: Finished difference Result 1136 states and 1549 transitions. [2024-11-07 10:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:18:12,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-07 10:18:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:12,535 INFO L225 Difference]: With dead ends: 1136 [2024-11-07 10:18:12,535 INFO L226 Difference]: Without dead ends: 683 [2024-11-07 10:18:12,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 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 10:18:12,537 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 108 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:12,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 829 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:18:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-07 10:18:12,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 444. [2024-11-07 10:18:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 394 states have (on average 1.2918781725888324) internal successors, (509), 397 states have internal predecessors, (509), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 599 transitions. [2024-11-07 10:18:12,577 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 599 transitions. Word has length 185 [2024-11-07 10:18:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:12,577 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 599 transitions. [2024-11-07 10:18:12,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 599 transitions. [2024-11-07 10:18:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-07 10:18:12,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:12,580 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:12,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 10:18:12,581 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:12,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1358843906, now seen corresponding path program 1 times [2024-11-07 10:18:12,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:12,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273845037] [2024-11-07 10:18:12,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:12,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:12,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:12,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273845037] [2024-11-07 10:18:12,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273845037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:12,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:12,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:18:12,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718151803] [2024-11-07 10:18:12,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:12,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:18:12,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:12,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:18:12,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:12,798 INFO L87 Difference]: Start difference. First operand 444 states and 599 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:12,864 INFO L93 Difference]: Finished difference Result 875 states and 1183 transitions. [2024-11-07 10:18:12,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:18:12,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-07 10:18:12,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:12,867 INFO L225 Difference]: With dead ends: 875 [2024-11-07 10:18:12,867 INFO L226 Difference]: Without dead ends: 434 [2024-11-07 10:18:12,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:12,869 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:12,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:12,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-07 10:18:12,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 432. [2024-11-07 10:18:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 382 states have (on average 1.2905759162303665) internal successors, (493), 385 states have internal predecessors, (493), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:12,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 583 transitions. [2024-11-07 10:18:12,901 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 583 transitions. Word has length 185 [2024-11-07 10:18:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:12,901 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 583 transitions. [2024-11-07 10:18:12,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 583 transitions. [2024-11-07 10:18:12,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 10:18:12,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:12,904 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:12,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 10:18:12,904 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:12,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash -730884783, now seen corresponding path program 1 times [2024-11-07 10:18:12,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:12,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764499792] [2024-11-07 10:18:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:12,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:13,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:13,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764499792] [2024-11-07 10:18:13,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764499792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:13,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:13,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:18:13,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829589420] [2024-11-07 10:18:13,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:13,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:18:13,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:13,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:18:13,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:18:13,476 INFO L87 Difference]: Start difference. First operand 432 states and 583 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:13,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:13,815 INFO L93 Difference]: Finished difference Result 1098 states and 1479 transitions. [2024-11-07 10:18:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:18:13,815 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-07 10:18:13,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:13,821 INFO L225 Difference]: With dead ends: 1098 [2024-11-07 10:18:13,821 INFO L226 Difference]: Without dead ends: 669 [2024-11-07 10:18:13,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:18:13,823 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 153 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:13,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1202 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-07 10:18:13,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 496. [2024-11-07 10:18:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 446 states have (on average 1.2713004484304933) internal successors, (567), 449 states have internal predecessors, (567), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 657 transitions. [2024-11-07 10:18:13,862 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 657 transitions. Word has length 187 [2024-11-07 10:18:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:13,862 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 657 transitions. [2024-11-07 10:18:13,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 657 transitions. [2024-11-07 10:18:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 10:18:13,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:13,865 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:13,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 10:18:13,865 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:13,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash -472719345, now seen corresponding path program 1 times [2024-11-07 10:18:13,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:13,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470108812] [2024-11-07 10:18:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:13,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:13,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470108812] [2024-11-07 10:18:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470108812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:13,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:13,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:18:13,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804112990] [2024-11-07 10:18:13,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:13,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:18:13,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:13,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:18:13,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:13,975 INFO L87 Difference]: Start difference. First operand 496 states and 657 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:14,024 INFO L93 Difference]: Finished difference Result 1003 states and 1331 transitions. [2024-11-07 10:18:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:18:14,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-07 10:18:14,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:14,028 INFO L225 Difference]: With dead ends: 1003 [2024-11-07 10:18:14,028 INFO L226 Difference]: Without dead ends: 510 [2024-11-07 10:18:14,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:14,030 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:14,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 502 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:14,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-07 10:18:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 508. [2024-11-07 10:18:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 458 states have (on average 1.2641921397379912) internal successors, (579), 461 states have internal predecessors, (579), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:18:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 669 transitions. [2024-11-07 10:18:14,064 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 669 transitions. Word has length 187 [2024-11-07 10:18:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:14,064 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 669 transitions. [2024-11-07 10:18:14,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 669 transitions. [2024-11-07 10:18:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-07 10:18:14,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:14,067 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:14,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 10:18:14,067 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:14,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1725337417, now seen corresponding path program 1 times [2024-11-07 10:18:14,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:14,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144435157] [2024-11-07 10:18:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:14,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:14,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:14,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144435157] [2024-11-07 10:18:14,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144435157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:14,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:14,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:14,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666433727] [2024-11-07 10:18:14,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:14,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:14,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:14,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:14,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:14,903 INFO L87 Difference]: Start difference. First operand 508 states and 669 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:15,158 INFO L93 Difference]: Finished difference Result 1017 states and 1336 transitions. [2024-11-07 10:18:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:15,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-07 10:18:15,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:15,161 INFO L225 Difference]: With dead ends: 1017 [2024-11-07 10:18:15,161 INFO L226 Difference]: Without dead ends: 512 [2024-11-07 10:18:15,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 10:18:15,163 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 74 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:15,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 858 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:15,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-07 10:18:15,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 430. [2024-11-07 10:18:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 384 states have (on average 1.2421875) internal successors, (477), 385 states have internal predecessors, (477), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-07 10:18:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 559 transitions. [2024-11-07 10:18:15,191 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 559 transitions. Word has length 188 [2024-11-07 10:18:15,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:15,191 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 559 transitions. [2024-11-07 10:18:15,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 559 transitions. [2024-11-07 10:18:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:18:15,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:15,193 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:15,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 10:18:15,194 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:15,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:15,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1831826601, now seen corresponding path program 1 times [2024-11-07 10:18:15,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:15,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471709872] [2024-11-07 10:18:15,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:15,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:15,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471709872] [2024-11-07 10:18:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471709872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:15,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:15,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:18:15,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481177819] [2024-11-07 10:18:15,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:15,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:18:15,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:15,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:18:15,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:18:15,320 INFO L87 Difference]: Start difference. First operand 430 states and 559 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:15,368 INFO L93 Difference]: Finished difference Result 871 states and 1133 transitions. [2024-11-07 10:18:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:18:15,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-07 10:18:15,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:15,371 INFO L225 Difference]: With dead ends: 871 [2024-11-07 10:18:15,371 INFO L226 Difference]: Without dead ends: 444 [2024-11-07 10:18:15,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 10:18:15,372 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:15,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 664 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-07 10:18:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 438. [2024-11-07 10:18:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 392 states have (on average 1.2372448979591837) internal successors, (485), 393 states have internal predecessors, (485), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-07 10:18:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 567 transitions. [2024-11-07 10:18:15,402 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 567 transitions. Word has length 189 [2024-11-07 10:18:15,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:15,402 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 567 transitions. [2024-11-07 10:18:15,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 567 transitions. [2024-11-07 10:18:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:18:15,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:15,404 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:15,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 10:18:15,404 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:15,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash 551962923, now seen corresponding path program 1 times [2024-11-07 10:18:15,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:15,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107568684] [2024-11-07 10:18:15,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:16,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:16,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107568684] [2024-11-07 10:18:16,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107568684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:16,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:16,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593660256] [2024-11-07 10:18:16,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:16,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:16,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:16,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:16,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:16,300 INFO L87 Difference]: Start difference. First operand 438 states and 567 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:16,548 INFO L93 Difference]: Finished difference Result 945 states and 1222 transitions. [2024-11-07 10:18:16,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:16,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2024-11-07 10:18:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:16,551 INFO L225 Difference]: With dead ends: 945 [2024-11-07 10:18:16,552 INFO L226 Difference]: Without dead ends: 510 [2024-11-07 10:18:16,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 10:18:16,554 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 62 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:16,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 753 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-07 10:18:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 438. [2024-11-07 10:18:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 392 states have (on average 1.2321428571428572) internal successors, (483), 393 states have internal predecessors, (483), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-07 10:18:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 565 transitions. [2024-11-07 10:18:16,584 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 565 transitions. Word has length 189 [2024-11-07 10:18:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:16,585 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 565 transitions. [2024-11-07 10:18:16,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 565 transitions. [2024-11-07 10:18:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:18:16,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:16,586 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:16,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 10:18:16,587 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:16,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash 346704995, now seen corresponding path program 1 times [2024-11-07 10:18:16,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:16,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145885456] [2024-11-07 10:18:16,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:17,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:17,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145885456] [2024-11-07 10:18:17,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145885456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:17,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:17,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:17,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060704117] [2024-11-07 10:18:17,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:17,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:17,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:17,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:17,384 INFO L87 Difference]: Start difference. First operand 438 states and 565 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:17,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:17,682 INFO L93 Difference]: Finished difference Result 1037 states and 1332 transitions. [2024-11-07 10:18:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:18:17,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 10:18:17,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:17,687 INFO L225 Difference]: With dead ends: 1037 [2024-11-07 10:18:17,687 INFO L226 Difference]: Without dead ends: 602 [2024-11-07 10:18:17,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 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 10:18:17,690 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 69 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:17,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 903 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:17,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-07 10:18:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 598. [2024-11-07 10:18:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 540 states have (on average 1.2351851851851852) internal successors, (667), 543 states have internal predecessors, (667), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-07 10:18:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 765 transitions. [2024-11-07 10:18:17,735 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 765 transitions. Word has length 190 [2024-11-07 10:18:17,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:17,736 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 765 transitions. [2024-11-07 10:18:17,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:17,736 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 765 transitions. [2024-11-07 10:18:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:18:17,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:17,738 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:17,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 10:18:17,738 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:17,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash 594851489, now seen corresponding path program 1 times [2024-11-07 10:18:17,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:17,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673874204] [2024-11-07 10:18:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:18,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:18,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673874204] [2024-11-07 10:18:18,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673874204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:18,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:18,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:18:18,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475391950] [2024-11-07 10:18:18,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:18,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:18:18,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:18,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:18:18,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:18:18,666 INFO L87 Difference]: Start difference. First operand 598 states and 765 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:19,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:19,160 INFO L93 Difference]: Finished difference Result 1291 states and 1650 transitions. [2024-11-07 10:18:19,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 10:18:19,160 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 10:18:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:19,164 INFO L225 Difference]: With dead ends: 1291 [2024-11-07 10:18:19,164 INFO L226 Difference]: Without dead ends: 696 [2024-11-07 10:18:19,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:18:19,168 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 257 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:19,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1463 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:18:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-07 10:18:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 684. [2024-11-07 10:18:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 610 states have (on average 1.2344262295081967) internal successors, (753), 615 states have internal predecessors, (753), 61 states have call successors, (61), 12 states have call predecessors, (61), 12 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:18:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 875 transitions. [2024-11-07 10:18:19,223 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 875 transitions. Word has length 190 [2024-11-07 10:18:19,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:19,223 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 875 transitions. [2024-11-07 10:18:19,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 875 transitions. [2024-11-07 10:18:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:18:19,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:19,225 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:19,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 10:18:19,225 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:19,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:19,226 INFO L85 PathProgramCache]: Analyzing trace with hash -228817437, now seen corresponding path program 1 times [2024-11-07 10:18:19,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:19,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7542875] [2024-11-07 10:18:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7542875] [2024-11-07 10:18:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7542875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:19,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:19,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:19,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864671604] [2024-11-07 10:18:19,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:19,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:19,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:19,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:19,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:19,975 INFO L87 Difference]: Start difference. First operand 684 states and 875 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:20,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:20,246 INFO L93 Difference]: Finished difference Result 1445 states and 1846 transitions. [2024-11-07 10:18:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:20,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 10:18:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:20,252 INFO L225 Difference]: With dead ends: 1445 [2024-11-07 10:18:20,252 INFO L226 Difference]: Without dead ends: 764 [2024-11-07 10:18:20,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 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 10:18:20,254 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 143 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:20,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 663 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:20,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-07 10:18:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 686. [2024-11-07 10:18:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 610 states have (on average 1.2278688524590164) internal successors, (749), 615 states have internal predecessors, (749), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:18:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 871 transitions. [2024-11-07 10:18:20,320 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 871 transitions. Word has length 190 [2024-11-07 10:18:20,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:20,321 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 871 transitions. [2024-11-07 10:18:20,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 871 transitions. [2024-11-07 10:18:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:18:20,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:20,323 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:20,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 10:18:20,324 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:20,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:20,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1508681115, now seen corresponding path program 1 times [2024-11-07 10:18:20,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:20,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735373451] [2024-11-07 10:18:20,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:20,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:21,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:21,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735373451] [2024-11-07 10:18:21,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735373451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:21,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:21,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:18:21,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453348733] [2024-11-07 10:18:21,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:21,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:18:21,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:21,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:18:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:18:21,149 INFO L87 Difference]: Start difference. First operand 686 states and 871 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:21,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:21,583 INFO L93 Difference]: Finished difference Result 1463 states and 1856 transitions. [2024-11-07 10:18:21,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:18:21,583 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 10:18:21,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:21,587 INFO L225 Difference]: With dead ends: 1463 [2024-11-07 10:18:21,587 INFO L226 Difference]: Without dead ends: 780 [2024-11-07 10:18:21,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:18:21,590 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 143 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:21,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1235 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-07 10:18:21,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 686. [2024-11-07 10:18:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 610 states have (on average 1.2245901639344263) internal successors, (747), 615 states have internal predecessors, (747), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:18:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 869 transitions. [2024-11-07 10:18:21,652 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 869 transitions. Word has length 190 [2024-11-07 10:18:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:21,653 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 869 transitions. [2024-11-07 10:18:21,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 869 transitions. [2024-11-07 10:18:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:18:21,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:21,655 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:21,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 10:18:21,655 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:21,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1250515677, now seen corresponding path program 1 times [2024-11-07 10:18:21,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:21,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70659842] [2024-11-07 10:18:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:23,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:23,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70659842] [2024-11-07 10:18:23,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70659842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:23,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:23,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:18:23,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385307217] [2024-11-07 10:18:23,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:23,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:18:23,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:23,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:18:23,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:18:23,130 INFO L87 Difference]: Start difference. First operand 686 states and 869 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:23,624 INFO L93 Difference]: Finished difference Result 1493 states and 1897 transitions. [2024-11-07 10:18:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:18:23,624 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 10:18:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:23,628 INFO L225 Difference]: With dead ends: 1493 [2024-11-07 10:18:23,629 INFO L226 Difference]: Without dead ends: 810 [2024-11-07 10:18:23,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:18:23,631 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 165 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:23,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1506 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:18:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-07 10:18:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 712. [2024-11-07 10:18:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 636 states have (on average 1.2185534591194969) internal successors, (775), 641 states have internal predecessors, (775), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:18:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 897 transitions. [2024-11-07 10:18:23,690 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 897 transitions. Word has length 190 [2024-11-07 10:18:23,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:23,690 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 897 transitions. [2024-11-07 10:18:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 897 transitions. [2024-11-07 10:18:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:18:23,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:23,693 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:23,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 10:18:23,693 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:23,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1619440157, now seen corresponding path program 1 times [2024-11-07 10:18:23,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:23,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642980962] [2024-11-07 10:18:23,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:23,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:24,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:24,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642980962] [2024-11-07 10:18:24,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642980962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:24,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:24,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:18:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886113691] [2024-11-07 10:18:24,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:24,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:18:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:24,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:18:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:18:24,939 INFO L87 Difference]: Start difference. First operand 712 states and 897 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:25,378 INFO L93 Difference]: Finished difference Result 1497 states and 1888 transitions. [2024-11-07 10:18:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:18:25,380 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 10:18:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:25,383 INFO L225 Difference]: With dead ends: 1497 [2024-11-07 10:18:25,383 INFO L226 Difference]: Without dead ends: 788 [2024-11-07 10:18:25,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:18:25,385 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 156 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:25,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1348 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:25,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-07 10:18:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 710. [2024-11-07 10:18:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 634 states have (on average 1.2192429022082019) internal successors, (773), 639 states have internal predecessors, (773), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:18:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 895 transitions. [2024-11-07 10:18:25,441 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 895 transitions. Word has length 190 [2024-11-07 10:18:25,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:25,441 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 895 transitions. [2024-11-07 10:18:25,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 895 transitions. [2024-11-07 10:18:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:25,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:25,443 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:25,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 10:18:25,443 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:25,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:25,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2017948219, now seen corresponding path program 1 times [2024-11-07 10:18:25,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:25,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866372415] [2024-11-07 10:18:25,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:26,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:26,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866372415] [2024-11-07 10:18:26,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866372415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:26,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:26,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:18:26,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458623328] [2024-11-07 10:18:26,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:26,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:18:26,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:18:26,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:18:26,364 INFO L87 Difference]: Start difference. First operand 710 states and 895 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:26,989 INFO L93 Difference]: Finished difference Result 1906 states and 2420 transitions. [2024-11-07 10:18:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:18:26,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-07 10:18:26,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:26,994 INFO L225 Difference]: With dead ends: 1906 [2024-11-07 10:18:26,994 INFO L226 Difference]: Without dead ends: 1199 [2024-11-07 10:18:26,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:18:26,996 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 382 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:26,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1198 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:18:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2024-11-07 10:18:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1080. [2024-11-07 10:18:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 939 states have (on average 1.194888178913738) internal successors, (1122), 948 states have internal predecessors, (1122), 114 states have call successors, (114), 26 states have call predecessors, (114), 26 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-07 10:18:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1350 transitions. [2024-11-07 10:18:27,111 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1350 transitions. Word has length 191 [2024-11-07 10:18:27,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:27,112 INFO L471 AbstractCegarLoop]: Abstraction has 1080 states and 1350 transitions. [2024-11-07 10:18:27,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1350 transitions. [2024-11-07 10:18:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:27,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:27,114 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:27,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 10:18:27,114 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:27,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash -196934681, now seen corresponding path program 1 times [2024-11-07 10:18:27,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:27,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248632702] [2024-11-07 10:18:27,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:27,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:27,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:27,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248632702] [2024-11-07 10:18:27,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248632702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:27,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:27,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:18:27,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555495043] [2024-11-07 10:18:27,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:27,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:18:27,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:27,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:18:27,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:27,213 INFO L87 Difference]: Start difference. First operand 1080 states and 1350 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:27,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:27,317 INFO L93 Difference]: Finished difference Result 2187 states and 2737 transitions. [2024-11-07 10:18:27,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:18:27,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-07 10:18:27,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:27,323 INFO L225 Difference]: With dead ends: 2187 [2024-11-07 10:18:27,323 INFO L226 Difference]: Without dead ends: 1110 [2024-11-07 10:18:27,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:18:27,326 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:27,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 503 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:18:27,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-07 10:18:27,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1100. [2024-11-07 10:18:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 959 states have (on average 1.1908237747653807) internal successors, (1142), 968 states have internal predecessors, (1142), 114 states have call successors, (114), 26 states have call predecessors, (114), 26 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-07 10:18:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1370 transitions. [2024-11-07 10:18:27,443 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1370 transitions. Word has length 191 [2024-11-07 10:18:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:27,444 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1370 transitions. [2024-11-07 10:18:27,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1370 transitions. [2024-11-07 10:18:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:27,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:27,447 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:27,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 10:18:27,447 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:27,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:27,448 INFO L85 PathProgramCache]: Analyzing trace with hash -589961691, now seen corresponding path program 1 times [2024-11-07 10:18:27,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:27,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824778438] [2024-11-07 10:18:27,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:28,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:28,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824778438] [2024-11-07 10:18:28,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824778438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:28,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:28,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:28,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082490552] [2024-11-07 10:18:28,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:28,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:28,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:28,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:28,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:28,126 INFO L87 Difference]: Start difference. First operand 1100 states and 1370 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:28,519 INFO L93 Difference]: Finished difference Result 3151 states and 3904 transitions. [2024-11-07 10:18:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:28,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-07 10:18:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:28,528 INFO L225 Difference]: With dead ends: 3151 [2024-11-07 10:18:28,529 INFO L226 Difference]: Without dead ends: 2054 [2024-11-07 10:18:28,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 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 10:18:28,532 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 82 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:28,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 726 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:28,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-11-07 10:18:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2048. [2024-11-07 10:18:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 1809 states have (on average 1.1885019347705914) internal successors, (2150), 1828 states have internal predecessors, (2150), 186 states have call successors, (186), 52 states have call predecessors, (186), 52 states have return successors, (186), 167 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-07 10:18:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2522 transitions. [2024-11-07 10:18:28,734 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2522 transitions. Word has length 191 [2024-11-07 10:18:28,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:28,735 INFO L471 AbstractCegarLoop]: Abstraction has 2048 states and 2522 transitions. [2024-11-07 10:18:28,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2522 transitions. [2024-11-07 10:18:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:28,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:28,739 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:28,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 10:18:28,740 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:28,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash -455100119, now seen corresponding path program 1 times [2024-11-07 10:18:28,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:28,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095876704] [2024-11-07 10:18:28,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:28,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:29,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:29,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095876704] [2024-11-07 10:18:29,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095876704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:29,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:29,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:18:29,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756612135] [2024-11-07 10:18:29,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:29,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:18:29,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:29,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:18:29,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:18:29,891 INFO L87 Difference]: Start difference. First operand 2048 states and 2522 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:30,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:30,686 INFO L93 Difference]: Finished difference Result 5949 states and 7278 transitions. [2024-11-07 10:18:30,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:18:30,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-07 10:18:30,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:30,701 INFO L225 Difference]: With dead ends: 5949 [2024-11-07 10:18:30,701 INFO L226 Difference]: Without dead ends: 3904 [2024-11-07 10:18:30,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:18:30,706 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 84 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:30,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1275 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:18:30,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2024-11-07 10:18:31,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3876. [2024-11-07 10:18:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 3457 states have (on average 1.1790569858258606) internal successors, (4076), 3496 states have internal predecessors, (4076), 314 states have call successors, (314), 104 states have call predecessors, (314), 104 states have return successors, (314), 275 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-07 10:18:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 4704 transitions. [2024-11-07 10:18:31,067 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 4704 transitions. Word has length 191 [2024-11-07 10:18:31,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:31,068 INFO L471 AbstractCegarLoop]: Abstraction has 3876 states and 4704 transitions. [2024-11-07 10:18:31,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4704 transitions. [2024-11-07 10:18:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:31,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:31,074 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:31,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 10:18:31,074 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1484459417, now seen corresponding path program 1 times [2024-11-07 10:18:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:31,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103990924] [2024-11-07 10:18:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:31,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:31,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103990924] [2024-11-07 10:18:31,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103990924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:31,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:31,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:18:31,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397004037] [2024-11-07 10:18:31,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:31,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:18:31,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:31,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:18:31,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:18:31,786 INFO L87 Difference]: Start difference. First operand 3876 states and 4704 transitions. Second operand has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:18:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:32,444 INFO L93 Difference]: Finished difference Result 8776 states and 10630 transitions. [2024-11-07 10:18:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:18:32,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 191 [2024-11-07 10:18:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:32,476 INFO L225 Difference]: With dead ends: 8776 [2024-11-07 10:18:32,480 INFO L226 Difference]: Without dead ends: 4903 [2024-11-07 10:18:32,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:18:32,487 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 268 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:32,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1075 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:32,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4903 states. [2024-11-07 10:18:32,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4903 to 4857. [2024-11-07 10:18:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4857 states, 4315 states have (on average 1.1740440324449595) internal successors, (5066), 4365 states have internal predecessors, (5066), 404 states have call successors, (404), 137 states have call predecessors, (404), 137 states have return successors, (404), 354 states have call predecessors, (404), 404 states have call successors, (404) [2024-11-07 10:18:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4857 states and 5874 transitions. [2024-11-07 10:18:32,944 INFO L78 Accepts]: Start accepts. Automaton has 4857 states and 5874 transitions. Word has length 191 [2024-11-07 10:18:32,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:32,944 INFO L471 AbstractCegarLoop]: Abstraction has 4857 states and 5874 transitions. [2024-11-07 10:18:32,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:18:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 5874 transitions. [2024-11-07 10:18:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:32,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:32,952 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:32,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 10:18:32,952 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:32,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:32,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1877486427, now seen corresponding path program 1 times [2024-11-07 10:18:32,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:32,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870323754] [2024-11-07 10:18:32,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:33,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:33,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870323754] [2024-11-07 10:18:33,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870323754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:33,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:33,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:18:33,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543819357] [2024-11-07 10:18:33,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:33,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:18:33,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:33,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:18:33,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:18:33,393 INFO L87 Difference]: Start difference. First operand 4857 states and 5874 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:34,027 INFO L93 Difference]: Finished difference Result 10849 states and 13159 transitions. [2024-11-07 10:18:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:18:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-07 10:18:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:34,048 INFO L225 Difference]: With dead ends: 10849 [2024-11-07 10:18:34,048 INFO L226 Difference]: Without dead ends: 6028 [2024-11-07 10:18:34,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:18:34,057 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 146 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:34,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1792 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:34,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6028 states. [2024-11-07 10:18:34,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6028 to 5407. [2024-11-07 10:18:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5407 states, 4862 states have (on average 1.169683257918552) internal successors, (5687), 4912 states have internal predecessors, (5687), 406 states have call successors, (406), 138 states have call predecessors, (406), 138 states have return successors, (406), 356 states have call predecessors, (406), 406 states have call successors, (406) [2024-11-07 10:18:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 5407 states and 6499 transitions. [2024-11-07 10:18:34,687 INFO L78 Accepts]: Start accepts. Automaton has 5407 states and 6499 transitions. Word has length 191 [2024-11-07 10:18:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:34,688 INFO L471 AbstractCegarLoop]: Abstraction has 5407 states and 6499 transitions. [2024-11-07 10:18:34,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:18:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 5407 states and 6499 transitions. [2024-11-07 10:18:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:18:34,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:34,695 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:34,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 10:18:34,695 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:34,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:34,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1438700581, now seen corresponding path program 1 times [2024-11-07 10:18:34,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:34,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449342659] [2024-11-07 10:18:34,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:35,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:35,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449342659] [2024-11-07 10:18:35,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449342659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:35,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:35,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:35,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800794063] [2024-11-07 10:18:35,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:35,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:35,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:35,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:35,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:35,236 INFO L87 Difference]: Start difference. First operand 5407 states and 6499 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:35,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:35,716 INFO L93 Difference]: Finished difference Result 10736 states and 12876 transitions. [2024-11-07 10:18:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:35,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-07 10:18:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:35,734 INFO L225 Difference]: With dead ends: 10736 [2024-11-07 10:18:35,734 INFO L226 Difference]: Without dead ends: 5373 [2024-11-07 10:18:35,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 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 10:18:35,744 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 83 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:35,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 835 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:35,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2024-11-07 10:18:36,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 4449. [2024-11-07 10:18:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4449 states, 4119 states have (on average 1.1536780772032047) internal successors, (4752), 4149 states have internal predecessors, (4752), 243 states have call successors, (243), 86 states have call predecessors, (243), 86 states have return successors, (243), 213 states have call predecessors, (243), 243 states have call successors, (243) [2024-11-07 10:18:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4449 states to 4449 states and 5238 transitions. [2024-11-07 10:18:36,073 INFO L78 Accepts]: Start accepts. Automaton has 4449 states and 5238 transitions. Word has length 191 [2024-11-07 10:18:36,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:36,073 INFO L471 AbstractCegarLoop]: Abstraction has 4449 states and 5238 transitions. [2024-11-07 10:18:36,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 4449 states and 5238 transitions. [2024-11-07 10:18:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 10:18:36,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:36,080 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:36,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-07 10:18:36,080 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:36,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:36,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1633060821, now seen corresponding path program 1 times [2024-11-07 10:18:36,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:36,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282984794] [2024-11-07 10:18:36,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:36,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:37,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:37,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282984794] [2024-11-07 10:18:37,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282984794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:37,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:37,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:18:37,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576719178] [2024-11-07 10:18:37,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:37,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:18:37,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:37,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:18:37,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:18:37,375 INFO L87 Difference]: Start difference. First operand 4449 states and 5238 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:38,605 INFO L93 Difference]: Finished difference Result 12489 states and 14629 transitions. [2024-11-07 10:18:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 10:18:38,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-07 10:18:38,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:38,629 INFO L225 Difference]: With dead ends: 12489 [2024-11-07 10:18:38,630 INFO L226 Difference]: Without dead ends: 8080 [2024-11-07 10:18:38,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-07 10:18:38,642 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 318 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:38,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 2234 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 10:18:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8080 states. [2024-11-07 10:18:38,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8080 to 4593. [2024-11-07 10:18:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4593 states, 4263 states have (on average 1.1541168191414497) internal successors, (4920), 4293 states have internal predecessors, (4920), 243 states have call successors, (243), 86 states have call predecessors, (243), 86 states have return successors, (243), 213 states have call predecessors, (243), 243 states have call successors, (243) [2024-11-07 10:18:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4593 states to 4593 states and 5406 transitions. [2024-11-07 10:18:39,010 INFO L78 Accepts]: Start accepts. Automaton has 4593 states and 5406 transitions. Word has length 192 [2024-11-07 10:18:39,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:39,011 INFO L471 AbstractCegarLoop]: Abstraction has 4593 states and 5406 transitions. [2024-11-07 10:18:39,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4593 states and 5406 transitions. [2024-11-07 10:18:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 10:18:39,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:39,017 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:39,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-07 10:18:39,017 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:39,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1358301207, now seen corresponding path program 1 times [2024-11-07 10:18:39,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:39,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042237215] [2024-11-07 10:18:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:39,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:39,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042237215] [2024-11-07 10:18:39,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042237215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:39,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:39,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:18:39,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889795128] [2024-11-07 10:18:39,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:39,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:18:39,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:39,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:18:39,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:18:39,706 INFO L87 Difference]: Start difference. First operand 4593 states and 5406 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:40,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:40,082 INFO L93 Difference]: Finished difference Result 8816 states and 10383 transitions. [2024-11-07 10:18:40,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:18:40,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-07 10:18:40,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:40,099 INFO L225 Difference]: With dead ends: 8816 [2024-11-07 10:18:40,099 INFO L226 Difference]: Without dead ends: 4263 [2024-11-07 10:18:40,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 10:18:40,109 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 89 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:40,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 851 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:18:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2024-11-07 10:18:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 4261. [2024-11-07 10:18:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 3931 states have (on average 1.1477995421012466) internal successors, (4512), 3961 states have internal predecessors, (4512), 243 states have call successors, (243), 86 states have call predecessors, (243), 86 states have return successors, (243), 213 states have call predecessors, (243), 243 states have call successors, (243) [2024-11-07 10:18:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 4998 transitions. [2024-11-07 10:18:40,409 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 4998 transitions. Word has length 192 [2024-11-07 10:18:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:40,410 INFO L471 AbstractCegarLoop]: Abstraction has 4261 states and 4998 transitions. [2024-11-07 10:18:40,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:18:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 4998 transitions. [2024-11-07 10:18:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-07 10:18:40,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:40,416 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:40,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-07 10:18:40,417 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:40,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1417294, now seen corresponding path program 1 times [2024-11-07 10:18:40,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:40,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860201039] [2024-11-07 10:18:40,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:40,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:41,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:41,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860201039] [2024-11-07 10:18:41,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860201039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:41,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:41,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:18:41,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221053147] [2024-11-07 10:18:41,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:41,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:18:41,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:41,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:18:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:18:41,441 INFO L87 Difference]: Start difference. First operand 4261 states and 4998 transitions. Second operand has 11 states, 9 states have (on average 9.0) internal successors, (81), 11 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:18:42,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:42,131 INFO L93 Difference]: Finished difference Result 10230 states and 11995 transitions. [2024-11-07 10:18:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:18:42,132 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.0) internal successors, (81), 11 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 193 [2024-11-07 10:18:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:42,147 INFO L225 Difference]: With dead ends: 10230 [2024-11-07 10:18:42,147 INFO L226 Difference]: Without dead ends: 6009 [2024-11-07 10:18:42,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:18:42,154 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 78 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:42,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1700 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:42,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6009 states. [2024-11-07 10:18:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6009 to 5115. [2024-11-07 10:18:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 4695 states have (on average 1.1463258785942492) internal successors, (5382), 4735 states have internal predecessors, (5382), 307 states have call successors, (307), 112 states have call predecessors, (307), 112 states have return successors, (307), 267 states have call predecessors, (307), 307 states have call successors, (307) [2024-11-07 10:18:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 5996 transitions. [2024-11-07 10:18:42,546 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 5996 transitions. Word has length 193 [2024-11-07 10:18:42,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:42,547 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 5996 transitions. [2024-11-07 10:18:42,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.0) internal successors, (81), 11 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:18:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 5996 transitions. [2024-11-07 10:18:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-07 10:18:42,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:42,555 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:42,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-07 10:18:42,555 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:42,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:42,556 INFO L85 PathProgramCache]: Analyzing trace with hash -391609716, now seen corresponding path program 1 times [2024-11-07 10:18:42,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:42,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885310397] [2024-11-07 10:18:42,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:42,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:18:43,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:43,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885310397] [2024-11-07 10:18:43,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885310397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:18:43,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:18:43,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:18:43,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242649022] [2024-11-07 10:18:43,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:18:43,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:18:43,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:43,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:18:43,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:18:43,112 INFO L87 Difference]: Start difference. First operand 5115 states and 5996 transitions. Second operand has 9 states, 7 states have (on average 11.571428571428571) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:18:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:43,899 INFO L93 Difference]: Finished difference Result 11096 states and 13001 transitions. [2024-11-07 10:18:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:18:43,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.571428571428571) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 193 [2024-11-07 10:18:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:43,913 INFO L225 Difference]: With dead ends: 11096 [2024-11-07 10:18:43,913 INFO L226 Difference]: Without dead ends: 6021 [2024-11-07 10:18:43,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:18:43,923 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 143 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:43,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1017 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:18:43,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6021 states. [2024-11-07 10:18:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6021 to 5543. [2024-11-07 10:18:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5543 states, 5027 states have (on average 1.1446190570917048) internal successors, (5754), 5077 states have internal predecessors, (5754), 375 states have call successors, (375), 140 states have call predecessors, (375), 140 states have return successors, (375), 325 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-07 10:18:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5543 states to 5543 states and 6504 transitions. [2024-11-07 10:18:44,387 INFO L78 Accepts]: Start accepts. Automaton has 5543 states and 6504 transitions. Word has length 193 [2024-11-07 10:18:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:44,388 INFO L471 AbstractCegarLoop]: Abstraction has 5543 states and 6504 transitions. [2024-11-07 10:18:44,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.571428571428571) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:18:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5543 states and 6504 transitions. [2024-11-07 10:18:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-07 10:18:44,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:44,395 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:44,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-07 10:18:44,396 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:44,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:44,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1819775333, now seen corresponding path program 1 times [2024-11-07 10:18:44,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:44,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453069797] [2024-11-07 10:18:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:45,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:45,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453069797] [2024-11-07 10:18:45,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453069797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:18:45,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044308776] [2024-11-07 10:18:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:45,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:18:45,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:18:45,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 10:18:45,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 10:18:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:45,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 10:18:45,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:18:45,387 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 33 treesize of output 17 [2024-11-07 10:18:45,419 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 33 treesize of output 17 [2024-11-07 10:18:45,582 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 52 treesize of output 38 [2024-11-07 10:18:45,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 64 [2024-11-07 10:18:45,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:45,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-11-07 10:18:45,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:45,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 51 [2024-11-07 10:18:45,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:45,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 54 [2024-11-07 10:18:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 486 proven. 42 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-07 10:18:46,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:18:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:46,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044308776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 10:18:46,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 10:18:46,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 9] total 17 [2024-11-07 10:18:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729311299] [2024-11-07 10:18:46,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 10:18:46,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:18:46,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:18:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:18:46,466 INFO L87 Difference]: Start difference. First operand 5543 states and 6504 transitions. Second operand has 17 states, 15 states have (on average 10.6) internal successors, (159), 17 states have internal predecessors, (159), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-07 10:18:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:18:48,040 INFO L93 Difference]: Finished difference Result 11119 states and 13017 transitions. [2024-11-07 10:18:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 10:18:48,040 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 10.6) internal successors, (159), 17 states have internal predecessors, (159), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 4 states have call successors, (38) Word has length 193 [2024-11-07 10:18:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:18:48,055 INFO L225 Difference]: With dead ends: 11119 [2024-11-07 10:18:48,056 INFO L226 Difference]: Without dead ends: 5616 [2024-11-07 10:18:48,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 422 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=309, Invalid=1251, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 10:18:48,064 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 442 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 10:18:48,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1516 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 10:18:48,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2024-11-07 10:18:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 3473. [2024-11-07 10:18:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3473 states, 3111 states have (on average 1.1423979427836708) internal successors, (3554), 3141 states have internal predecessors, (3554), 259 states have call successors, (259), 102 states have call predecessors, (259), 102 states have return successors, (259), 229 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-07 10:18:48,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4072 transitions. [2024-11-07 10:18:48,351 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4072 transitions. Word has length 193 [2024-11-07 10:18:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:18:48,352 INFO L471 AbstractCegarLoop]: Abstraction has 3473 states and 4072 transitions. [2024-11-07 10:18:48,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 10.6) internal successors, (159), 17 states have internal predecessors, (159), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (38), 2 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-07 10:18:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4072 transitions. [2024-11-07 10:18:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-07 10:18:48,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:18:48,355 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:48,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 10:18:48,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-07 10:18:48,555 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:18:48,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:18:48,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1361550103, now seen corresponding path program 1 times [2024-11-07 10:18:48,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:18:48,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2863654] [2024-11-07 10:18:48,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:48,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:18:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:18:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:18:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:18:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:18:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:18:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:18:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:18:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:18:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:18:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:18:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:18:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:18:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:18:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:18:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:18:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:18:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:18:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:18:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:18:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:18:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:18:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:18:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:18:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:48,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:18:48,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2863654] [2024-11-07 10:18:48,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2863654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:18:48,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49435480] [2024-11-07 10:18:48,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:18:48,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:18:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:18:48,965 INFO L229 MonitoredProcess]: Starting monitored process 6 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 10:18:48,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 10:18:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:18:49,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 10:18:49,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:18:49,391 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 52 treesize of output 38 [2024-11-07 10:18:49,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 64 [2024-11-07 10:18:49,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:49,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-11-07 10:18:49,449 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 86 treesize of output 66 [2024-11-07 10:18:49,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:49,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 94 [2024-11-07 10:18:49,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:49,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 54 [2024-11-07 10:18:49,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:49,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 83 [2024-11-07 10:18:50,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:18:50,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 73 [2024-11-07 10:18:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 526 proven. 30 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-07 10:18:50,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:18:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:18:50,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49435480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 10:18:50,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 10:18:50,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 8] total 16 [2024-11-07 10:18:50,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440832155] [2024-11-07 10:18:50,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 10:18:50,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 10:18:50,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:18:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 10:18:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:18:50,527 INFO L87 Difference]: Start difference. First operand 3473 states and 4072 transitions. Second operand has 16 states, 13 states have (on average 11.76923076923077) internal successors, (153), 16 states have internal predecessors, (153), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 2 states have call predecessors, (35), 5 states have call successors, (35)