./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.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-p_file-71.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', '660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85'] 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-p_file-71.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 660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 10:37:39,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 10:37:39,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 10:37:39,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 10:37:39,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 10:37:40,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 10:37:40,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 10:37:40,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 10:37:40,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 10:37:40,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 10:37:40,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 10:37:40,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 10:37:40,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 10:37:40,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 10:37:40,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 10:37:40,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 10:37:40,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:37:40,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 10:37:40,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 10:37:40,008 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 -> 660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85 [2024-11-07 10:37:40,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 10:37:40,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 10:37:40,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 10:37:40,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 10:37:40,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 10:37:40,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i [2024-11-07 10:37:41,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 10:37:41,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 10:37:41,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i [2024-11-07 10:37:41,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1f982d43/86170df57abe42b994d740ed04024165/FLAG84109ece8 [2024-11-07 10:37:41,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1f982d43/86170df57abe42b994d740ed04024165 [2024-11-07 10:37:41,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 10:37:41,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 10:37:41,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 10:37:41,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 10:37:41,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 10:37:41,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:37:41" (1/1) ... [2024-11-07 10:37:41,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467ee81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:41, skipping insertion in model container [2024-11-07 10:37:41,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:37:41" (1/1) ... [2024-11-07 10:37:41,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 10:37:41,969 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-p_file-71.i[916,929] [2024-11-07 10:37:42,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:37:42,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 10:37:42,058 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-p_file-71.i[916,929] [2024-11-07 10:37:42,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:37:42,114 INFO L204 MainTranslator]: Completed translation [2024-11-07 10:37:42,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42 WrapperNode [2024-11-07 10:37:42,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 10:37:42,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 10:37:42,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 10:37:42,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 10:37:42,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,176 INFO L138 Inliner]: procedures = 26, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 527 [2024-11-07 10:37:42,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 10:37:42,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 10:37:42,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 10:37:42,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 10:37:42,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,229 INFO L175 MemorySlicer]: Split 138 memory accesses to 15 slices as follows [2, 11, 6, 22, 22, 22, 6, 8, 5, 3, 8, 7, 3, 6, 7]. 16 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-07 10:37:42,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 10:37:42,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 10:37:42,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 10:37:42,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 10:37:42,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (1/1) ... [2024-11-07 10:37:42,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:37:42,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:37:42,321 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 10:37:42,326 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 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 10:37:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 10:37:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 10:37:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 10:37:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 10:37:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 10:37:42,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 10:37:42,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 10:37:43,037 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-07 10:37:43,038 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 10:37:43,050 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 10:37:43,052 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 10:37:43,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:37:43 BoogieIcfgContainer [2024-11-07 10:37:43,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 10:37:43,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 10:37:43,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 10:37:43,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 10:37:43,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:37:41" (1/3) ... [2024-11-07 10:37:43,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7261dc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:37:43, skipping insertion in model container [2024-11-07 10:37:43,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:37:42" (2/3) ... [2024-11-07 10:37:43,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7261dc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:37:43, skipping insertion in model container [2024-11-07 10:37:43,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:37:43" (3/3) ... [2024-11-07 10:37:43,061 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-71.i [2024-11-07 10:37:43,072 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 10:37:43,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 10:37:43,119 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 10:37:43,128 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;@5b0480c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 10:37:43,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 10:37:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 84 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 10:37:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:37:43,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:43,143 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:43,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:43,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:43,148 INFO L85 PathProgramCache]: Analyzing trace with hash 634959908, now seen corresponding path program 1 times [2024-11-07 10:37:43,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:43,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543288856] [2024-11-07 10:37:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:43,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:43,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543288856] [2024-11-07 10:37:43,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543288856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:43,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 10:37:43,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934963135] [2024-11-07 10:37:43,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:43,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 10:37:43,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:43,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 10:37:43,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:37:43,570 INFO L87 Difference]: Start difference. First operand has 105 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 84 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 10:37:43,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:43,598 INFO L93 Difference]: Finished difference Result 203 states and 319 transitions. [2024-11-07 10:37:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 10:37:43,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 144 [2024-11-07 10:37:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:43,605 INFO L225 Difference]: With dead ends: 203 [2024-11-07 10:37:43,605 INFO L226 Difference]: Without dead ends: 101 [2024-11-07 10:37:43,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 10:37:43,610 INFO L432 NwaCegarLoop]: 144 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, 144 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 10:37:43,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:43,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-07 10:37:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-07 10:37:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.325) internal successors, (106), 80 states have internal predecessors, (106), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 10:37:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2024-11-07 10:37:43,683 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 144 [2024-11-07 10:37:43,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:43,685 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2024-11-07 10:37:43,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 10:37:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-11-07 10:37:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:37:43,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:43,690 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:43,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 10:37:43,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:43,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1640475338, now seen corresponding path program 1 times [2024-11-07 10:37:43,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:43,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747926425] [2024-11-07 10:37:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:44,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:44,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747926425] [2024-11-07 10:37:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747926425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:44,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:44,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:37:44,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709286182] [2024-11-07 10:37:44,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:44,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:37:44,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:44,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:37:44,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:37:44,047 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:44,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:44,080 INFO L93 Difference]: Finished difference Result 202 states and 289 transitions. [2024-11-07 10:37:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:37:44,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-07 10:37:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:44,082 INFO L225 Difference]: With dead ends: 202 [2024-11-07 10:37:44,082 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 10:37:44,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 10:37:44,083 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 412 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 10:37:44,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 412 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:44,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 10:37:44,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-11-07 10:37:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 10:37:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 146 transitions. [2024-11-07 10:37:44,093 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 146 transitions. Word has length 144 [2024-11-07 10:37:44,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:44,094 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 146 transitions. [2024-11-07 10:37:44,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2024-11-07 10:37:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:37:44,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:44,095 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:44,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 10:37:44,096 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:44,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:44,096 INFO L85 PathProgramCache]: Analyzing trace with hash -879484596, now seen corresponding path program 1 times [2024-11-07 10:37:44,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:44,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363659073] [2024-11-07 10:37:44,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:44,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:44,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:44,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363659073] [2024-11-07 10:37:44,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363659073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:44,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:44,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:37:44,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062878490] [2024-11-07 10:37:44,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:44,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:37:44,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:44,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:37:44,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:37:44,346 INFO L87 Difference]: Start difference. First operand 103 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:44,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:44,383 INFO L93 Difference]: Finished difference Result 206 states and 293 transitions. [2024-11-07 10:37:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:37:44,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-07 10:37:44,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:44,387 INFO L225 Difference]: With dead ends: 206 [2024-11-07 10:37:44,387 INFO L226 Difference]: Without dead ends: 106 [2024-11-07 10:37:44,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 10:37:44,388 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:44,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 415 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:44,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-07 10:37:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-07 10:37:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 10:37:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2024-11-07 10:37:44,400 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 144 [2024-11-07 10:37:44,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:44,400 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2024-11-07 10:37:44,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2024-11-07 10:37:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 10:37:44,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:44,405 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:44,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 10:37:44,405 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:44,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:44,406 INFO L85 PathProgramCache]: Analyzing trace with hash -877637554, now seen corresponding path program 1 times [2024-11-07 10:37:44,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:44,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346412255] [2024-11-07 10:37:44,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:44,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:44,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346412255] [2024-11-07 10:37:44,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346412255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:44,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:44,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:37:44,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580440056] [2024-11-07 10:37:44,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:44,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:37:44,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:44,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:37:44,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:37:44,835 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:44,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:44,959 INFO L93 Difference]: Finished difference Result 290 states and 408 transitions. [2024-11-07 10:37:44,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:37:44,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-07 10:37:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:44,961 INFO L225 Difference]: With dead ends: 290 [2024-11-07 10:37:44,961 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 10:37:44,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 10:37:44,962 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 120 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:44,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 709 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:37:44,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 10:37:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 176. [2024-11-07 10:37:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 144 states have (on average 1.3125) internal successors, (189), 145 states have internal predecessors, (189), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 10:37:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 247 transitions. [2024-11-07 10:37:44,986 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 247 transitions. Word has length 144 [2024-11-07 10:37:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:44,987 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 247 transitions. [2024-11-07 10:37:44,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 247 transitions. [2024-11-07 10:37:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 10:37:44,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:44,989 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:44,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 10:37:44,990 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:44,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash -694713373, now seen corresponding path program 1 times [2024-11-07 10:37:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:44,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374192525] [2024-11-07 10:37:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:44,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:45,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374192525] [2024-11-07 10:37:45,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374192525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:45,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:45,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:37:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793078137] [2024-11-07 10:37:45,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:45,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:37:45,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:45,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:37:45,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:37:45,578 INFO L87 Difference]: Start difference. First operand 176 states and 247 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:45,745 INFO L93 Difference]: Finished difference Result 443 states and 620 transitions. [2024-11-07 10:37:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:37:45,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-11-07 10:37:45,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:45,753 INFO L225 Difference]: With dead ends: 443 [2024-11-07 10:37:45,753 INFO L226 Difference]: Without dead ends: 270 [2024-11-07 10:37:45,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:37:45,755 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 109 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:45,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 945 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:37:45,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-07 10:37:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2024-11-07 10:37:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 216 states have (on average 1.2962962962962963) internal successors, (280), 219 states have internal predecessors, (280), 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 10:37:45,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 370 transitions. [2024-11-07 10:37:45,790 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 370 transitions. Word has length 145 [2024-11-07 10:37:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:45,790 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 370 transitions. [2024-11-07 10:37:45,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2024-11-07 10:37:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 10:37:45,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:45,792 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:45,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 10:37:45,792 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:45,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:45,792 INFO L85 PathProgramCache]: Analyzing trace with hash 982540647, now seen corresponding path program 1 times [2024-11-07 10:37:45,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087147244] [2024-11-07 10:37:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:45,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:46,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:46,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087147244] [2024-11-07 10:37:46,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087147244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:46,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:46,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:37:46,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530246855] [2024-11-07 10:37:46,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:46,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:37:46,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:46,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:37:46,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:37:46,335 INFO L87 Difference]: Start difference. First operand 266 states and 370 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:46,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:46,552 INFO L93 Difference]: Finished difference Result 517 states and 717 transitions. [2024-11-07 10:37:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:37:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-07 10:37:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:46,557 INFO L225 Difference]: With dead ends: 517 [2024-11-07 10:37:46,557 INFO L226 Difference]: Without dead ends: 275 [2024-11-07 10:37:46,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:37:46,558 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 150 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:46,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 874 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:37:46,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-07 10:37:46,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2024-11-07 10:37:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 222 states have (on average 1.2882882882882882) internal successors, (286), 225 states have internal predecessors, (286), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:37:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 376 transitions. [2024-11-07 10:37:46,580 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 376 transitions. Word has length 146 [2024-11-07 10:37:46,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:46,604 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 376 transitions. [2024-11-07 10:37:46,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 376 transitions. [2024-11-07 10:37:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 10:37:46,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:46,605 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:46,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 10:37:46,605 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:46,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:46,605 INFO L85 PathProgramCache]: Analyzing trace with hash -269161938, now seen corresponding path program 1 times [2024-11-07 10:37:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:46,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305238444] [2024-11-07 10:37:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:46,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:46,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:46,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305238444] [2024-11-07 10:37:46,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305238444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:46,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:46,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:37:46,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94786591] [2024-11-07 10:37:46,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:46,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:37:46,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:37:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:37:46,958 INFO L87 Difference]: Start difference. First operand 273 states and 376 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:47,031 INFO L93 Difference]: Finished difference Result 512 states and 704 transitions. [2024-11-07 10:37:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:37:47,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-07 10:37:47,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:47,033 INFO L225 Difference]: With dead ends: 512 [2024-11-07 10:37:47,033 INFO L226 Difference]: Without dead ends: 263 [2024-11-07 10:37:47,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 10:37:47,034 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 53 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:47,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 612 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-07 10:37:47,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2024-11-07 10:37:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 210 states have (on average 1.2666666666666666) internal successors, (266), 213 states have internal predecessors, (266), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:37:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 356 transitions. [2024-11-07 10:37:47,070 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 356 transitions. Word has length 146 [2024-11-07 10:37:47,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:47,071 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 356 transitions. [2024-11-07 10:37:47,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 356 transitions. [2024-11-07 10:37:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:37:47,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:47,072 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:47,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 10:37:47,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:47,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:47,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1492113649, now seen corresponding path program 1 times [2024-11-07 10:37:47,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:47,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771852550] [2024-11-07 10:37:47,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:47,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:47,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:47,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771852550] [2024-11-07 10:37:47,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771852550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:47,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:47,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:37:47,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815839060] [2024-11-07 10:37:47,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:47,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:37:47,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:47,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:37:47,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:37:47,376 INFO L87 Difference]: Start difference. First operand 261 states and 356 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:47,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:47,424 INFO L93 Difference]: Finished difference Result 494 states and 673 transitions. [2024-11-07 10:37:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:37:47,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-07 10:37:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:47,430 INFO L225 Difference]: With dead ends: 494 [2024-11-07 10:37:47,430 INFO L226 Difference]: Without dead ends: 257 [2024-11-07 10:37:47,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 10:37:47,431 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 55 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:47,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 662 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:47,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-07 10:37:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2024-11-07 10:37:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 204 states have (on average 1.2549019607843137) internal successors, (256), 207 states have internal predecessors, (256), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 10:37:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 346 transitions. [2024-11-07 10:37:47,444 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 346 transitions. Word has length 147 [2024-11-07 10:37:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:47,444 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 346 transitions. [2024-11-07 10:37:47,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 346 transitions. [2024-11-07 10:37:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:37:47,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:47,445 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:47,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 10:37:47,446 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:47,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:47,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1431681951, now seen corresponding path program 1 times [2024-11-07 10:37:47,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:47,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109360759] [2024-11-07 10:37:47,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:47,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:48,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:48,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109360759] [2024-11-07 10:37:48,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109360759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:48,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:48,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 10:37:48,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232666096] [2024-11-07 10:37:48,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:48,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:37:48,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:48,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:37:48,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:37:48,697 INFO L87 Difference]: Start difference. First operand 255 states and 346 transitions. Second operand has 17 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 8 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-07 10:37:49,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:49,558 INFO L93 Difference]: Finished difference Result 542 states and 731 transitions. [2024-11-07 10:37:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:37:49,559 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 8 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) Word has length 147 [2024-11-07 10:37:49,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:49,562 INFO L225 Difference]: With dead ends: 542 [2024-11-07 10:37:49,562 INFO L226 Difference]: Without dead ends: 311 [2024-11-07 10:37:49,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-07 10:37:49,566 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 404 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:49,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 704 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:37:49,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-07 10:37:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2024-11-07 10:37:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 253 states have (on average 1.2608695652173914) internal successors, (319), 257 states have internal predecessors, (319), 47 states have call successors, (47), 7 states have call predecessors, (47), 7 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 10:37:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 413 transitions. [2024-11-07 10:37:49,597 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 413 transitions. Word has length 147 [2024-11-07 10:37:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:49,598 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 413 transitions. [2024-11-07 10:37:49,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 8 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-07 10:37:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 413 transitions. [2024-11-07 10:37:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:37:49,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:49,600 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:49,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 10:37:49,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:49,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1583421667, now seen corresponding path program 1 times [2024-11-07 10:37:49,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:49,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065981576] [2024-11-07 10:37:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:50,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:50,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065981576] [2024-11-07 10:37:50,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065981576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:50,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:50,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:37:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306026569] [2024-11-07 10:37:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:50,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:37:50,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:37:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:37:50,127 INFO L87 Difference]: Start difference. First operand 308 states and 413 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:37:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:50,478 INFO L93 Difference]: Finished difference Result 599 states and 803 transitions. [2024-11-07 10:37:50,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:37:50,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 147 [2024-11-07 10:37:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:50,480 INFO L225 Difference]: With dead ends: 599 [2024-11-07 10:37:50,480 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 10:37:50,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:37:50,481 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 195 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:50,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 986 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:37:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 10:37:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 316. [2024-11-07 10:37:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 258 states have (on average 1.251937984496124) internal successors, (323), 262 states have internal predecessors, (323), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-07 10:37:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 421 transitions. [2024-11-07 10:37:50,511 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 421 transitions. Word has length 147 [2024-11-07 10:37:50,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:50,512 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 421 transitions. [2024-11-07 10:37:50,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:37:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 421 transitions. [2024-11-07 10:37:50,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:37:50,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:50,514 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:50,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 10:37:50,514 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:50,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:50,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1572230561, now seen corresponding path program 1 times [2024-11-07 10:37:50,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:50,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025681592] [2024-11-07 10:37:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:50,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:50,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:50,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025681592] [2024-11-07 10:37:50,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025681592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:50,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:50,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:37:50,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182662657] [2024-11-07 10:37:50,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:50,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:37:50,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:50,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:37:50,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:37:50,809 INFO L87 Difference]: Start difference. First operand 316 states and 421 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:50,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:50,914 INFO L93 Difference]: Finished difference Result 659 states and 882 transitions. [2024-11-07 10:37:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:37:50,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-07 10:37:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:50,917 INFO L225 Difference]: With dead ends: 659 [2024-11-07 10:37:50,917 INFO L226 Difference]: Without dead ends: 371 [2024-11-07 10:37:50,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:37:50,918 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 121 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:50,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1288 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:37:50,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-07 10:37:50,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 358. [2024-11-07 10:37:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 283 states have (on average 1.2296819787985867) internal successors, (348), 287 states have internal predecessors, (348), 64 states have call successors, (64), 10 states have call predecessors, (64), 10 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-07 10:37:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 476 transitions. [2024-11-07 10:37:50,970 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 476 transitions. Word has length 147 [2024-11-07 10:37:50,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:50,970 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 476 transitions. [2024-11-07 10:37:50,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 476 transitions. [2024-11-07 10:37:50,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 10:37:50,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:50,972 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:50,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 10:37:50,972 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:50,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1442873057, now seen corresponding path program 1 times [2024-11-07 10:37:50,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:50,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60614019] [2024-11-07 10:37:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:50,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:51,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:51,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60614019] [2024-11-07 10:37:51,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60614019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:51,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:51,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 10:37:51,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765026178] [2024-11-07 10:37:51,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:51,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 10:37:51,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 10:37:51,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:37:51,685 INFO L87 Difference]: Start difference. First operand 358 states and 476 transitions. Second operand has 15 states, 13 states have (on average 4.230769230769231) internal successors, (55), 15 states have internal predecessors, (55), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-07 10:37:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:52,523 INFO L93 Difference]: Finished difference Result 735 states and 973 transitions. [2024-11-07 10:37:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 10:37:52,524 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.230769230769231) internal successors, (55), 15 states have internal predecessors, (55), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) Word has length 147 [2024-11-07 10:37:52,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:52,526 INFO L225 Difference]: With dead ends: 735 [2024-11-07 10:37:52,526 INFO L226 Difference]: Without dead ends: 405 [2024-11-07 10:37:52,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2024-11-07 10:37:52,527 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 259 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:52,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 977 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:37:52,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-07 10:37:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 358. [2024-11-07 10:37:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 282 states have (on average 1.2234042553191489) internal successors, (345), 286 states have internal predecessors, (345), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-07 10:37:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 473 transitions. [2024-11-07 10:37:52,554 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 473 transitions. Word has length 147 [2024-11-07 10:37:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:52,555 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 473 transitions. [2024-11-07 10:37:52,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.230769230769231) internal successors, (55), 15 states have internal predecessors, (55), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-07 10:37:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 473 transitions. [2024-11-07 10:37:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:37:52,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:52,556 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:52,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 10:37:52,556 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:52,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash 781233282, now seen corresponding path program 1 times [2024-11-07 10:37:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:52,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927332898] [2024-11-07 10:37:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:52,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:53,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:53,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927332898] [2024-11-07 10:37:53,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927332898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:53,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:53,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 10:37:53,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100553091] [2024-11-07 10:37:53,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:53,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:37:53,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:53,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:37:53,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:37:53,612 INFO L87 Difference]: Start difference. First operand 358 states and 473 transitions. Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:37:55,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:55,096 INFO L93 Difference]: Finished difference Result 802 states and 1061 transitions. [2024-11-07 10:37:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 10:37:55,096 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-11-07 10:37:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:55,099 INFO L225 Difference]: With dead ends: 802 [2024-11-07 10:37:55,100 INFO L226 Difference]: Without dead ends: 472 [2024-11-07 10:37:55,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2024-11-07 10:37:55,101 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 331 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:55,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1666 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 10:37:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-07 10:37:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 463. [2024-11-07 10:37:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 377 states have (on average 1.2440318302387268) internal successors, (469), 383 states have internal predecessors, (469), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:37:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 613 transitions. [2024-11-07 10:37:55,134 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 613 transitions. Word has length 148 [2024-11-07 10:37:55,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:55,135 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 613 transitions. [2024-11-07 10:37:55,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:37:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2024-11-07 10:37:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:37:55,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:55,137 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:55,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 10:37:55,137 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:55,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:55,138 INFO L85 PathProgramCache]: Analyzing trace with hash -36415168, now seen corresponding path program 1 times [2024-11-07 10:37:55,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:55,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409093711] [2024-11-07 10:37:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:55,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:55,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:55,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409093711] [2024-11-07 10:37:55,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409093711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:55,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:55,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 10:37:55,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493888675] [2024-11-07 10:37:55,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:55,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 10:37:55,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:55,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 10:37:55,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:37:55,929 INFO L87 Difference]: Start difference. First operand 463 states and 613 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:37:56,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:56,691 INFO L93 Difference]: Finished difference Result 904 states and 1198 transitions. [2024-11-07 10:37:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:37:56,692 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-11-07 10:37:56,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:56,694 INFO L225 Difference]: With dead ends: 904 [2024-11-07 10:37:56,694 INFO L226 Difference]: Without dead ends: 469 [2024-11-07 10:37:56,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-11-07 10:37:56,696 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 314 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:56,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1352 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:37:56,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-07 10:37:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 466. [2024-11-07 10:37:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.2421052631578948) internal successors, (472), 386 states have internal predecessors, (472), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:37:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 616 transitions. [2024-11-07 10:37:56,727 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 616 transitions. Word has length 148 [2024-11-07 10:37:56,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:56,727 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 616 transitions. [2024-11-07 10:37:56,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:37:56,727 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 616 transitions. [2024-11-07 10:37:56,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:37:56,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:56,729 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:56,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 10:37:56,729 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:56,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:56,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1132673159, now seen corresponding path program 1 times [2024-11-07 10:37:56,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:56,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007853324] [2024-11-07 10:37:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:56,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:56,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007853324] [2024-11-07 10:37:56,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007853324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:56,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:56,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:37:56,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780148225] [2024-11-07 10:37:56,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:56,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:37:56,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:56,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:37:56,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:37:56,921 INFO L87 Difference]: Start difference. First operand 466 states and 616 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:57,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:57,002 INFO L93 Difference]: Finished difference Result 907 states and 1200 transitions. [2024-11-07 10:37:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:37:57,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-07 10:37:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:57,007 INFO L225 Difference]: With dead ends: 907 [2024-11-07 10:37:57,007 INFO L226 Difference]: Without dead ends: 469 [2024-11-07 10:37:57,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 10:37:57,009 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 96 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:57,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 584 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:57,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-07 10:37:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 466. [2024-11-07 10:37:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.2394736842105263) internal successors, (471), 386 states have internal predecessors, (471), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:37:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 615 transitions. [2024-11-07 10:37:57,033 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 615 transitions. Word has length 148 [2024-11-07 10:37:57,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:57,034 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 615 transitions. [2024-11-07 10:37:57,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 615 transitions. [2024-11-07 10:37:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:37:57,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:57,050 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:57,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 10:37:57,050 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:57,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:57,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1634908125, now seen corresponding path program 1 times [2024-11-07 10:37:57,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:57,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530189947] [2024-11-07 10:37:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:57,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:57,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:57,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530189947] [2024-11-07 10:37:57,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530189947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:57,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:57,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:37:57,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297684027] [2024-11-07 10:37:57,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:57,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:37:57,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:57,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:37:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:37:57,194 INFO L87 Difference]: Start difference. First operand 466 states and 615 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:57,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:57,340 INFO L93 Difference]: Finished difference Result 907 states and 1198 transitions. [2024-11-07 10:37:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:37:57,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-07 10:37:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:57,343 INFO L225 Difference]: With dead ends: 907 [2024-11-07 10:37:57,343 INFO L226 Difference]: Without dead ends: 469 [2024-11-07 10:37:57,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 10:37:57,349 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 100 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:57,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 578 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:37:57,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-07 10:37:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 466. [2024-11-07 10:37:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.236842105263158) internal successors, (470), 386 states have internal predecessors, (470), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:37:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 614 transitions. [2024-11-07 10:37:57,400 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 614 transitions. Word has length 148 [2024-11-07 10:37:57,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:57,400 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 614 transitions. [2024-11-07 10:37:57,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 614 transitions. [2024-11-07 10:37:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 10:37:57,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:57,402 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:57,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 10:37:57,402 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:57,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:57,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1071711269, now seen corresponding path program 1 times [2024-11-07 10:37:57,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:57,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53529263] [2024-11-07 10:37:57,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:57,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:57,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53529263] [2024-11-07 10:37:57,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53529263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:57,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:57,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:37:57,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881441726] [2024-11-07 10:37:57,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:57,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:37:57,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:57,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:37:57,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:37:57,526 INFO L87 Difference]: Start difference. First operand 466 states and 614 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:57,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:57,599 INFO L93 Difference]: Finished difference Result 905 states and 1191 transitions. [2024-11-07 10:37:57,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:37:57,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-07 10:37:57,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:57,603 INFO L225 Difference]: With dead ends: 905 [2024-11-07 10:37:57,603 INFO L226 Difference]: Without dead ends: 467 [2024-11-07 10:37:57,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 10:37:57,604 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 65 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:57,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 707 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:37:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-07 10:37:57,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 464. [2024-11-07 10:37:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 377 states have (on average 1.2307692307692308) internal successors, (464), 383 states have internal predecessors, (464), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:37:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 608 transitions. [2024-11-07 10:37:57,628 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 608 transitions. Word has length 148 [2024-11-07 10:37:57,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:57,628 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 608 transitions. [2024-11-07 10:37:57,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 608 transitions. [2024-11-07 10:37:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-07 10:37:57,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:57,629 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:57,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 10:37:57,630 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:57,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1711229009, now seen corresponding path program 1 times [2024-11-07 10:37:57,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:57,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230414092] [2024-11-07 10:37:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:58,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:58,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230414092] [2024-11-07 10:37:58,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230414092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:58,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:58,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:37:58,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664978563] [2024-11-07 10:37:58,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:58,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:37:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:58,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:37:58,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:37:58,020 INFO L87 Difference]: Start difference. First operand 464 states and 608 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:37:58,190 INFO L93 Difference]: Finished difference Result 1152 states and 1510 transitions. [2024-11-07 10:37:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:37:58,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-11-07 10:37:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:37:58,194 INFO L225 Difference]: With dead ends: 1152 [2024-11-07 10:37:58,194 INFO L226 Difference]: Without dead ends: 716 [2024-11-07 10:37:58,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:37:58,195 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 58 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:37:58,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 788 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:37:58,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2024-11-07 10:37:58,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 568. [2024-11-07 10:37:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 478 states have (on average 1.2510460251046025) internal successors, (598), 485 states have internal predecessors, (598), 74 states have call successors, (74), 15 states have call predecessors, (74), 15 states have return successors, (74), 67 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-07 10:37:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 746 transitions. [2024-11-07 10:37:58,221 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 746 transitions. Word has length 149 [2024-11-07 10:37:58,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:37:58,222 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 746 transitions. [2024-11-07 10:37:58,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:37:58,222 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 746 transitions. [2024-11-07 10:37:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:37:58,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:37:58,223 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:37:58,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 10:37:58,224 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:37:58,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:37:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash -823684889, now seen corresponding path program 1 times [2024-11-07 10:37:58,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:37:58,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128629042] [2024-11-07 10:37:58,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:37:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:37:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:37:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:37:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:37:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:37:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:37:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:37:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:37:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:37:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:37:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:37:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:37:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:37:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:37:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:37:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:37:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:37:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:37:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:37:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:37:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:37:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:37:59,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:37:59,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128629042] [2024-11-07 10:37:59,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128629042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:37:59,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:37:59,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 10:37:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944929075] [2024-11-07 10:37:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:37:59,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 10:37:59,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:37:59,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 10:37:59,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:37:59,194 INFO L87 Difference]: Start difference. First operand 568 states and 746 transitions. Second operand has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:00,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:00,153 INFO L93 Difference]: Finished difference Result 1120 states and 1471 transitions. [2024-11-07 10:38:00,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:38:00,153 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-07 10:38:00,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:00,156 INFO L225 Difference]: With dead ends: 1120 [2024-11-07 10:38:00,156 INFO L226 Difference]: Without dead ends: 580 [2024-11-07 10:38:00,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-07 10:38:00,157 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 415 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:00,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 877 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 10:38:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-07 10:38:00,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 530. [2024-11-07 10:38:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 442 states have (on average 1.242081447963801) internal successors, (549), 448 states have internal predecessors, (549), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:38:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 693 transitions. [2024-11-07 10:38:00,185 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 693 transitions. Word has length 150 [2024-11-07 10:38:00,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:00,186 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 693 transitions. [2024-11-07 10:38:00,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 693 transitions. [2024-11-07 10:38:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:00,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:00,187 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:00,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 10:38:00,187 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:00,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1477137701, now seen corresponding path program 1 times [2024-11-07 10:38:00,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:00,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135070857] [2024-11-07 10:38:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:00,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:00,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135070857] [2024-11-07 10:38:00,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135070857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:00,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:00,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:38:00,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491047993] [2024-11-07 10:38:00,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:00,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:38:00,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:00,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:38:00,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:38:00,376 INFO L87 Difference]: Start difference. First operand 530 states and 693 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:00,523 INFO L93 Difference]: Finished difference Result 1205 states and 1578 transitions. [2024-11-07 10:38:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:38:00,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-07 10:38:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:00,527 INFO L225 Difference]: With dead ends: 1205 [2024-11-07 10:38:00,527 INFO L226 Difference]: Without dead ends: 703 [2024-11-07 10:38:00,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 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 10:38:00,530 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 61 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:00,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 573 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:00,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-07 10:38:00,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 580. [2024-11-07 10:38:00,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 492 states have (on average 1.258130081300813) internal successors, (619), 498 states have internal predecessors, (619), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:38:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 763 transitions. [2024-11-07 10:38:00,559 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 763 transitions. Word has length 150 [2024-11-07 10:38:00,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:00,560 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 763 transitions. [2024-11-07 10:38:00,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 763 transitions. [2024-11-07 10:38:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:00,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:00,561 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:00,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 10:38:00,561 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:00,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:00,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2046485093, now seen corresponding path program 1 times [2024-11-07 10:38:00,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:00,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275054218] [2024-11-07 10:38:00,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:00,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:00,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:00,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275054218] [2024-11-07 10:38:00,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275054218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:00,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:00,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:38:00,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914430434] [2024-11-07 10:38:00,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:00,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:38:00,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:38:00,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:38:00,841 INFO L87 Difference]: Start difference. First operand 580 states and 763 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:01,009 INFO L93 Difference]: Finished difference Result 1256 states and 1655 transitions. [2024-11-07 10:38:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:38:01,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-07 10:38:01,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:01,012 INFO L225 Difference]: With dead ends: 1256 [2024-11-07 10:38:01,012 INFO L226 Difference]: Without dead ends: 684 [2024-11-07 10:38:01,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:38:01,015 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 115 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:01,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 734 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:01,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-07 10:38:01,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 600. [2024-11-07 10:38:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 512 states have (on average 1.259765625) internal successors, (645), 518 states have internal predecessors, (645), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:38:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 789 transitions. [2024-11-07 10:38:01,045 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 789 transitions. Word has length 150 [2024-11-07 10:38:01,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:01,045 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 789 transitions. [2024-11-07 10:38:01,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 789 transitions. [2024-11-07 10:38:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:01,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:01,046 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:01,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 10:38:01,046 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:01,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:01,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2108524707, now seen corresponding path program 1 times [2024-11-07 10:38:01,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:01,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540177557] [2024-11-07 10:38:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:01,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:01,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:01,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540177557] [2024-11-07 10:38:01,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540177557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:01,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:01,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 10:38:01,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708329569] [2024-11-07 10:38:01,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:01,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 10:38:01,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:01,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 10:38:01,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:38:01,697 INFO L87 Difference]: Start difference. First operand 600 states and 789 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:02,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:02,944 INFO L93 Difference]: Finished difference Result 1286 states and 1690 transitions. [2024-11-07 10:38:02,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 10:38:02,945 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-07 10:38:02,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:02,948 INFO L225 Difference]: With dead ends: 1286 [2024-11-07 10:38:02,948 INFO L226 Difference]: Without dead ends: 714 [2024-11-07 10:38:02,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-11-07 10:38:02,950 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 246 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:02,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1307 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 10:38:02,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-07 10:38:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 612. [2024-11-07 10:38:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 524 states have (on average 1.2576335877862594) internal successors, (659), 530 states have internal predecessors, (659), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:38:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 803 transitions. [2024-11-07 10:38:02,987 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 803 transitions. Word has length 150 [2024-11-07 10:38:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:02,987 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 803 transitions. [2024-11-07 10:38:02,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 803 transitions. [2024-11-07 10:38:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:02,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:02,989 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:02,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 10:38:02,989 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:02,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1368794139, now seen corresponding path program 1 times [2024-11-07 10:38:02,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:02,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696301509] [2024-11-07 10:38:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:02,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:09,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:09,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696301509] [2024-11-07 10:38:09,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696301509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:09,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:09,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 10:38:09,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453827583] [2024-11-07 10:38:09,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:09,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:38:09,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:09,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:38:09,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=227, Unknown=1, NotChecked=0, Total=272 [2024-11-07 10:38:09,794 INFO L87 Difference]: Start difference. First operand 612 states and 803 transitions. Second operand has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-07 10:38:19,295 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification. DAG size of input: 105 DAG size of output: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-07 10:38:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:21,994 INFO L93 Difference]: Finished difference Result 1249 states and 1640 transitions. [2024-11-07 10:38:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 10:38:21,995 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 150 [2024-11-07 10:38:21,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:21,998 INFO L225 Difference]: With dead ends: 1249 [2024-11-07 10:38:21,998 INFO L226 Difference]: Without dead ends: 665 [2024-11-07 10:38:21,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=131, Invalid=570, Unknown=1, NotChecked=0, Total=702 [2024-11-07 10:38:21,999 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 189 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:21,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1071 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 10:38:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-07 10:38:22,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 604. [2024-11-07 10:38:22,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 516 states have (on average 1.2577519379844961) internal successors, (649), 522 states have internal predecessors, (649), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:38:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 793 transitions. [2024-11-07 10:38:22,028 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 793 transitions. Word has length 150 [2024-11-07 10:38:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:22,028 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 793 transitions. [2024-11-07 10:38:22,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-07 10:38:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 793 transitions. [2024-11-07 10:38:22,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:22,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:22,030 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:22,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 10:38:22,030 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:22,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:22,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1431626201, now seen corresponding path program 1 times [2024-11-07 10:38:22,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:22,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007501274] [2024-11-07 10:38:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:22,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:22,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:22,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007501274] [2024-11-07 10:38:22,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007501274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:22,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:22,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:38:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114674993] [2024-11-07 10:38:22,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:22,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:38:22,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:22,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:38:22,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:38:22,210 INFO L87 Difference]: Start difference. First operand 604 states and 793 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:22,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:22,589 INFO L93 Difference]: Finished difference Result 1231 states and 1611 transitions. [2024-11-07 10:38:22,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:38:22,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-07 10:38:22,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:22,592 INFO L225 Difference]: With dead ends: 1231 [2024-11-07 10:38:22,592 INFO L226 Difference]: Without dead ends: 655 [2024-11-07 10:38:22,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:38:22,595 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 65 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:22,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 885 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:38:22,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-07 10:38:22,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 590. [2024-11-07 10:38:22,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 502 states have (on average 1.252988047808765) internal successors, (629), 508 states have internal predecessors, (629), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 10:38:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 773 transitions. [2024-11-07 10:38:22,622 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 773 transitions. Word has length 150 [2024-11-07 10:38:22,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:22,622 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 773 transitions. [2024-11-07 10:38:22,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 773 transitions. [2024-11-07 10:38:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:22,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:22,624 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:22,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 10:38:22,624 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:22,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1681350053, now seen corresponding path program 1 times [2024-11-07 10:38:22,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:22,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374704785] [2024-11-07 10:38:22,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:22,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:22,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:22,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374704785] [2024-11-07 10:38:22,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374704785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:22,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:22,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:38:22,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112240824] [2024-11-07 10:38:22,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:22,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:38:22,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:22,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:38:22,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:38:22,882 INFO L87 Difference]: Start difference. First operand 590 states and 773 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:23,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:23,333 INFO L93 Difference]: Finished difference Result 1221 states and 1598 transitions. [2024-11-07 10:38:23,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:38:23,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-07 10:38:23,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:23,336 INFO L225 Difference]: With dead ends: 1221 [2024-11-07 10:38:23,336 INFO L226 Difference]: Without dead ends: 659 [2024-11-07 10:38:23,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:38:23,337 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 316 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:23,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 887 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:38:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-07 10:38:23,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 648. [2024-11-07 10:38:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 554 states have (on average 1.2509025270758123) internal successors, (693), 561 states have internal predecessors, (693), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 69 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 10:38:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 845 transitions. [2024-11-07 10:38:23,377 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 845 transitions. Word has length 150 [2024-11-07 10:38:23,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:23,378 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 845 transitions. [2024-11-07 10:38:23,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 845 transitions. [2024-11-07 10:38:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:23,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:23,379 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:23,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 10:38:23,380 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:23,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:23,380 INFO L85 PathProgramCache]: Analyzing trace with hash -722321313, now seen corresponding path program 1 times [2024-11-07 10:38:23,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:23,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369410994] [2024-11-07 10:38:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:23,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:24,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:24,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369410994] [2024-11-07 10:38:24,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369410994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:24,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:24,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 10:38:24,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092225988] [2024-11-07 10:38:24,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:24,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 10:38:24,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:24,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 10:38:24,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-07 10:38:24,163 INFO L87 Difference]: Start difference. First operand 648 states and 845 transitions. Second operand has 18 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-07 10:38:25,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:25,513 INFO L93 Difference]: Finished difference Result 1417 states and 1843 transitions. [2024-11-07 10:38:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 10:38:25,521 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 150 [2024-11-07 10:38:25,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:25,525 INFO L225 Difference]: With dead ends: 1417 [2024-11-07 10:38:25,525 INFO L226 Difference]: Without dead ends: 793 [2024-11-07 10:38:25,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2024-11-07 10:38:25,531 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 359 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:25,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 1611 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 10:38:25,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-07 10:38:25,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 573. [2024-11-07 10:38:25,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 489 states have (on average 1.2535787321063394) internal successors, (613), 494 states have internal predecessors, (613), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-07 10:38:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 749 transitions. [2024-11-07 10:38:25,605 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 749 transitions. Word has length 150 [2024-11-07 10:38:25,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:25,605 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 749 transitions. [2024-11-07 10:38:25,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-07 10:38:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 749 transitions. [2024-11-07 10:38:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:25,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:25,610 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:25,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 10:38:25,610 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:25,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:25,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1539969763, now seen corresponding path program 1 times [2024-11-07 10:38:25,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:25,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508008553] [2024-11-07 10:38:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:25,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:25,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508008553] [2024-11-07 10:38:25,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508008553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:25,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:25,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:38:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554578702] [2024-11-07 10:38:25,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:25,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:38:25,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:25,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:38:25,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:38:25,964 INFO L87 Difference]: Start difference. First operand 573 states and 749 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:26,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:26,298 INFO L93 Difference]: Finished difference Result 1139 states and 1481 transitions. [2024-11-07 10:38:26,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:38:26,299 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-07 10:38:26,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:26,302 INFO L225 Difference]: With dead ends: 1139 [2024-11-07 10:38:26,302 INFO L226 Difference]: Without dead ends: 590 [2024-11-07 10:38:26,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:38:26,303 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 308 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:26,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 622 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:38:26,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-07 10:38:26,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 541. [2024-11-07 10:38:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 457 states have (on average 1.236323851203501) internal successors, (565), 462 states have internal predecessors, (565), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-07 10:38:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 701 transitions. [2024-11-07 10:38:26,337 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 701 transitions. Word has length 150 [2024-11-07 10:38:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:26,337 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 701 transitions. [2024-11-07 10:38:26,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:26,338 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 701 transitions. [2024-11-07 10:38:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 10:38:26,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:26,340 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:26,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 10:38:26,340 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:26,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:26,340 INFO L85 PathProgramCache]: Analyzing trace with hash -975777600, now seen corresponding path program 1 times [2024-11-07 10:38:26,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:26,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99967559] [2024-11-07 10:38:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:26,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:26,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:26,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99967559] [2024-11-07 10:38:26,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99967559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:26,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:26,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 10:38:26,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090709248] [2024-11-07 10:38:26,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:26,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 10:38:26,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:26,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 10:38:26,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:38:26,912 INFO L87 Difference]: Start difference. First operand 541 states and 701 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:27,495 INFO L93 Difference]: Finished difference Result 1250 states and 1612 transitions. [2024-11-07 10:38:27,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:38:27,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-07 10:38:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:27,499 INFO L225 Difference]: With dead ends: 1250 [2024-11-07 10:38:27,499 INFO L226 Difference]: Without dead ends: 733 [2024-11-07 10:38:27,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-07 10:38:27,501 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 257 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:27,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1365 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:38:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-07 10:38:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 629. [2024-11-07 10:38:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 528 states have (on average 1.2234848484848484) internal successors, (646), 535 states have internal predecessors, (646), 80 states have call successors, (80), 20 states have call predecessors, (80), 20 states have return successors, (80), 73 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 10:38:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 806 transitions. [2024-11-07 10:38:27,556 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 806 transitions. Word has length 150 [2024-11-07 10:38:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:27,556 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 806 transitions. [2024-11-07 10:38:27,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 806 transitions. [2024-11-07 10:38:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 10:38:27,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:27,558 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:27,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 10:38:27,559 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:27,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:27,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1377799030, now seen corresponding path program 1 times [2024-11-07 10:38:27,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:27,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099174538] [2024-11-07 10:38:27,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:27,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:27,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:27,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099174538] [2024-11-07 10:38:27,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099174538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:27,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:27,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:38:27,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178566902] [2024-11-07 10:38:27,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:27,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:38:27,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:27,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:38:27,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:38:27,852 INFO L87 Difference]: Start difference. First operand 629 states and 806 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:28,060 INFO L93 Difference]: Finished difference Result 1470 states and 1869 transitions. [2024-11-07 10:38:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:38:28,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-07 10:38:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:28,064 INFO L225 Difference]: With dead ends: 1470 [2024-11-07 10:38:28,064 INFO L226 Difference]: Without dead ends: 865 [2024-11-07 10:38:28,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:38:28,071 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 218 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:28,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 815 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:28,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-07 10:38:28,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 841. [2024-11-07 10:38:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 699 states have (on average 1.206008583690987) internal successors, (843), 710 states have internal predecessors, (843), 110 states have call successors, (110), 31 states have call predecessors, (110), 31 states have return successors, (110), 99 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-07 10:38:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1063 transitions. [2024-11-07 10:38:28,124 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1063 transitions. Word has length 151 [2024-11-07 10:38:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:28,124 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1063 transitions. [2024-11-07 10:38:28,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1063 transitions. [2024-11-07 10:38:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 10:38:28,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:28,130 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:28,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 10:38:28,130 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:28,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:28,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1800500856, now seen corresponding path program 1 times [2024-11-07 10:38:28,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:28,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378599411] [2024-11-07 10:38:28,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:28,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:28,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378599411] [2024-11-07 10:38:28,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378599411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:28,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:28,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:38:28,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944106481] [2024-11-07 10:38:28,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:28,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:38:28,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:38:28,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:38:28,301 INFO L87 Difference]: Start difference. First operand 841 states and 1063 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:28,453 INFO L93 Difference]: Finished difference Result 1754 states and 2212 transitions. [2024-11-07 10:38:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:38:28,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-07 10:38:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:28,457 INFO L225 Difference]: With dead ends: 1754 [2024-11-07 10:38:28,457 INFO L226 Difference]: Without dead ends: 937 [2024-11-07 10:38:28,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:38:28,458 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 106 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:28,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 813 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-07 10:38:28,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 851. [2024-11-07 10:38:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 697 states have (on average 1.199426111908178) internal successors, (836), 708 states have internal predecessors, (836), 118 states have call successors, (118), 35 states have call predecessors, (118), 35 states have return successors, (118), 107 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-07 10:38:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1072 transitions. [2024-11-07 10:38:28,518 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1072 transitions. Word has length 151 [2024-11-07 10:38:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:28,518 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1072 transitions. [2024-11-07 10:38:28,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1072 transitions. [2024-11-07 10:38:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 10:38:28,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:28,519 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:28,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 10:38:28,520 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:28,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:28,520 INFO L85 PathProgramCache]: Analyzing trace with hash 486318856, now seen corresponding path program 1 times [2024-11-07 10:38:28,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:28,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640589901] [2024-11-07 10:38:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:28,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:28,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:28,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640589901] [2024-11-07 10:38:28,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640589901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:28,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:28,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:38:28,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072023136] [2024-11-07 10:38:28,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:28,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:38:28,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:28,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:38:28,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:38:28,765 INFO L87 Difference]: Start difference. First operand 851 states and 1072 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:28,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:28,930 INFO L93 Difference]: Finished difference Result 1592 states and 2006 transitions. [2024-11-07 10:38:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:38:28,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-07 10:38:28,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:28,935 INFO L225 Difference]: With dead ends: 1592 [2024-11-07 10:38:28,935 INFO L226 Difference]: Without dead ends: 763 [2024-11-07 10:38:28,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:38:28,939 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 112 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:28,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 778 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-07 10:38:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 684. [2024-11-07 10:38:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 575 states have (on average 1.2139130434782608) internal successors, (698), 583 states have internal predecessors, (698), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-07 10:38:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 864 transitions. [2024-11-07 10:38:29,003 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 864 transitions. Word has length 151 [2024-11-07 10:38:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:29,004 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 864 transitions. [2024-11-07 10:38:29,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 864 transitions. [2024-11-07 10:38:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 10:38:29,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:29,005 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:29,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 10:38:29,005 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:29,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:29,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1202624886, now seen corresponding path program 1 times [2024-11-07 10:38:29,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:29,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146573688] [2024-11-07 10:38:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:29,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:29,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:29,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146573688] [2024-11-07 10:38:29,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146573688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:29,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:29,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:38:29,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133739305] [2024-11-07 10:38:29,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:29,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:38:29,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:29,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:38:29,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:38:29,201 INFO L87 Difference]: Start difference. First operand 684 states and 864 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:29,383 INFO L93 Difference]: Finished difference Result 1365 states and 1723 transitions. [2024-11-07 10:38:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:38:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-07 10:38:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:29,386 INFO L225 Difference]: With dead ends: 1365 [2024-11-07 10:38:29,386 INFO L226 Difference]: Without dead ends: 684 [2024-11-07 10:38:29,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:38:29,388 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 167 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:29,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 679 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:29,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-07 10:38:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 673. [2024-11-07 10:38:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 564 states have (on average 1.2092198581560283) internal successors, (682), 572 states have internal predecessors, (682), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-07 10:38:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 848 transitions. [2024-11-07 10:38:29,481 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 848 transitions. Word has length 151 [2024-11-07 10:38:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:29,481 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 848 transitions. [2024-11-07 10:38:29,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 848 transitions. [2024-11-07 10:38:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:29,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:29,482 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:29,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 10:38:29,482 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:29,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:29,482 INFO L85 PathProgramCache]: Analyzing trace with hash 962728194, now seen corresponding path program 1 times [2024-11-07 10:38:29,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:29,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336213333] [2024-11-07 10:38:29,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:29,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:29,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:29,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336213333] [2024-11-07 10:38:29,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336213333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:29,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:29,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:38:29,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570854204] [2024-11-07 10:38:29,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:29,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:38:29,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:38:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:38:29,930 INFO L87 Difference]: Start difference. First operand 673 states and 848 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:30,335 INFO L93 Difference]: Finished difference Result 1405 states and 1767 transitions. [2024-11-07 10:38:30,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:38:30,336 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-07 10:38:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:30,339 INFO L225 Difference]: With dead ends: 1405 [2024-11-07 10:38:30,339 INFO L226 Difference]: Without dead ends: 735 [2024-11-07 10:38:30,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:38:30,340 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 66 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:30,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1368 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:38:30,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-07 10:38:30,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 681. [2024-11-07 10:38:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 572 states have (on average 1.2080419580419581) internal successors, (691), 580 states have internal predecessors, (691), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-07 10:38:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 857 transitions. [2024-11-07 10:38:30,406 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 857 transitions. Word has length 152 [2024-11-07 10:38:30,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:30,407 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 857 transitions. [2024-11-07 10:38:30,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 857 transitions. [2024-11-07 10:38:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:30,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:30,408 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:30,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 10:38:30,408 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:30,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash -317135484, now seen corresponding path program 1 times [2024-11-07 10:38:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:30,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300948459] [2024-11-07 10:38:30,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:30,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:30,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:30,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300948459] [2024-11-07 10:38:30,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300948459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:30,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:30,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:38:30,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525116385] [2024-11-07 10:38:30,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:30,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:38:30,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:30,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:38:30,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:38:30,833 INFO L87 Difference]: Start difference. First operand 681 states and 857 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:31,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:31,264 INFO L93 Difference]: Finished difference Result 1423 states and 1786 transitions. [2024-11-07 10:38:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:38:31,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 152 [2024-11-07 10:38:31,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:31,270 INFO L225 Difference]: With dead ends: 1423 [2024-11-07 10:38:31,272 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 10:38:31,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:38:31,274 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 196 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:31,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 628 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:38:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 10:38:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 673. [2024-11-07 10:38:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 564 states have (on average 1.2039007092198581) internal successors, (679), 572 states have internal predecessors, (679), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-07 10:38:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 845 transitions. [2024-11-07 10:38:31,322 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 845 transitions. Word has length 152 [2024-11-07 10:38:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:31,323 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 845 transitions. [2024-11-07 10:38:31,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 845 transitions. [2024-11-07 10:38:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:31,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:31,324 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:31,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 10:38:31,324 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:31,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:31,324 INFO L85 PathProgramCache]: Analyzing trace with hash -839289728, now seen corresponding path program 1 times [2024-11-07 10:38:31,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:31,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614957602] [2024-11-07 10:38:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:31,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:31,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614957602] [2024-11-07 10:38:31,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614957602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:31,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:31,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:38:31,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985457884] [2024-11-07 10:38:31,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:31,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:38:31,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:31,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:38:31,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:38:31,654 INFO L87 Difference]: Start difference. First operand 673 states and 845 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:31,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:31,932 INFO L93 Difference]: Finished difference Result 1415 states and 1773 transitions. [2024-11-07 10:38:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:38:31,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-07 10:38:31,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:31,936 INFO L225 Difference]: With dead ends: 1415 [2024-11-07 10:38:31,936 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 10:38:31,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:38:31,938 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 54 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:31,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 816 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:38:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 10:38:31,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 673. [2024-11-07 10:38:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 564 states have (on average 1.200354609929078) internal successors, (677), 572 states have internal predecessors, (677), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-07 10:38:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 843 transitions. [2024-11-07 10:38:31,987 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 843 transitions. Word has length 152 [2024-11-07 10:38:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:31,987 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 843 transitions. [2024-11-07 10:38:31,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 843 transitions. [2024-11-07 10:38:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:31,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:31,988 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:31,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 10:38:31,988 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:31,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:31,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2119153406, now seen corresponding path program 1 times [2024-11-07 10:38:31,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:31,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066041728] [2024-11-07 10:38:31,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:31,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:32,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:32,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066041728] [2024-11-07 10:38:32,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066041728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:32,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:32,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:38:32,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054807416] [2024-11-07 10:38:32,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:32,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:38:32,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:32,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:38:32,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:38:32,233 INFO L87 Difference]: Start difference. First operand 673 states and 843 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:32,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:32,635 INFO L93 Difference]: Finished difference Result 1483 states and 1860 transitions. [2024-11-07 10:38:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:38:32,638 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-07 10:38:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:32,641 INFO L225 Difference]: With dead ends: 1483 [2024-11-07 10:38:32,641 INFO L226 Difference]: Without dead ends: 813 [2024-11-07 10:38:32,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:38:32,645 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 119 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:32,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 2112 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:38:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-07 10:38:32,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 662. [2024-11-07 10:38:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 553 states have (on average 1.197106690777577) internal successors, (662), 561 states have internal predecessors, (662), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-07 10:38:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 828 transitions. [2024-11-07 10:38:32,743 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 828 transitions. Word has length 152 [2024-11-07 10:38:32,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:32,743 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 828 transitions. [2024-11-07 10:38:32,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 828 transitions. [2024-11-07 10:38:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:32,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:32,744 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:32,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 10:38:32,745 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:32,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2028771022, now seen corresponding path program 1 times [2024-11-07 10:38:32,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:32,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974612847] [2024-11-07 10:38:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:32,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:33,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:33,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974612847] [2024-11-07 10:38:33,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974612847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:33,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:33,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:38:33,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407589334] [2024-11-07 10:38:33,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:33,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:38:33,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:33,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:38:33,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:38:33,533 INFO L87 Difference]: Start difference. First operand 662 states and 828 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:33,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:33,879 INFO L93 Difference]: Finished difference Result 1089 states and 1351 transitions. [2024-11-07 10:38:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:38:33,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-07 10:38:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:33,891 INFO L225 Difference]: With dead ends: 1089 [2024-11-07 10:38:33,891 INFO L226 Difference]: Without dead ends: 1087 [2024-11-07 10:38:33,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:38:33,892 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 46 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:33,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1005 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:38:33,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-07 10:38:33,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 947. [2024-11-07 10:38:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 835 states have (on average 1.2059880239520957) internal successors, (1007), 844 states have internal predecessors, (1007), 85 states have call successors, (85), 26 states have call predecessors, (85), 26 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:38:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1177 transitions. [2024-11-07 10:38:33,943 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1177 transitions. Word has length 152 [2024-11-07 10:38:33,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:33,944 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1177 transitions. [2024-11-07 10:38:33,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1177 transitions. [2024-11-07 10:38:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:33,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:33,945 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:33,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 10:38:33,945 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:33,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash -2026923980, now seen corresponding path program 1 times [2024-11-07 10:38:33,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:33,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389087884] [2024-11-07 10:38:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:34,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:34,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389087884] [2024-11-07 10:38:34,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389087884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:34,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:34,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:38:34,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386180057] [2024-11-07 10:38:34,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:34,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:38:34,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:38:34,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:38:34,091 INFO L87 Difference]: Start difference. First operand 947 states and 1177 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:34,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:34,223 INFO L93 Difference]: Finished difference Result 1947 states and 2419 transitions. [2024-11-07 10:38:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:38:34,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-07 10:38:34,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:34,227 INFO L225 Difference]: With dead ends: 1947 [2024-11-07 10:38:34,227 INFO L226 Difference]: Without dead ends: 1003 [2024-11-07 10:38:34,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 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 10:38:34,229 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 92 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:34,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 656 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:38:34,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-07 10:38:34,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1002. [2024-11-07 10:38:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 868 states have (on average 1.1774193548387097) internal successors, (1022), 878 states have internal predecessors, (1022), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 92 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 10:38:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1226 transitions. [2024-11-07 10:38:34,292 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1226 transitions. Word has length 152 [2024-11-07 10:38:34,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:34,292 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1226 transitions. [2024-11-07 10:38:34,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1226 transitions. [2024-11-07 10:38:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:34,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:34,293 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:34,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 10:38:34,294 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:34,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:34,294 INFO L85 PathProgramCache]: Analyzing trace with hash -251916618, now seen corresponding path program 1 times [2024-11-07 10:38:34,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:34,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875006200] [2024-11-07 10:38:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:34,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:34,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:34,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875006200] [2024-11-07 10:38:34,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875006200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:34,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:34,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:38:34,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945554849] [2024-11-07 10:38:34,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:34,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:38:34,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:34,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:38:34,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:38:34,410 INFO L87 Difference]: Start difference. First operand 1002 states and 1226 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:34,500 INFO L93 Difference]: Finished difference Result 2004 states and 2457 transitions. [2024-11-07 10:38:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:38:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-07 10:38:34,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:34,505 INFO L225 Difference]: With dead ends: 2004 [2024-11-07 10:38:34,505 INFO L226 Difference]: Without dead ends: 1056 [2024-11-07 10:38:34,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 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 10:38:34,507 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:34,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:38:34,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-07 10:38:34,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2024-11-07 10:38:34,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 922 states have (on average 1.1670281995661604) internal successors, (1076), 932 states have internal predecessors, (1076), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 92 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 10:38:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1280 transitions. [2024-11-07 10:38:34,571 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1280 transitions. Word has length 152 [2024-11-07 10:38:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:34,572 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1280 transitions. [2024-11-07 10:38:34,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1280 transitions. [2024-11-07 10:38:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:34,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:34,573 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:34,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 10:38:34,573 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:34,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:34,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1966731408, now seen corresponding path program 1 times [2024-11-07 10:38:34,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:34,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055294964] [2024-11-07 10:38:34,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:34,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:35,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:35,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055294964] [2024-11-07 10:38:35,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055294964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:35,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:35,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:38:35,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895458407] [2024-11-07 10:38:35,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:35,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:38:35,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:35,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:38:35,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:38:35,060 INFO L87 Difference]: Start difference. First operand 1056 states and 1280 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:35,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:35,562 INFO L93 Difference]: Finished difference Result 2474 states and 2979 transitions. [2024-11-07 10:38:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:38:35,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 152 [2024-11-07 10:38:35,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:35,568 INFO L225 Difference]: With dead ends: 2474 [2024-11-07 10:38:35,568 INFO L226 Difference]: Without dead ends: 1472 [2024-11-07 10:38:35,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:38:35,570 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 186 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:35,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 610 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:38:35,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-11-07 10:38:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1238. [2024-11-07 10:38:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1104 states have (on average 1.1576086956521738) internal successors, (1278), 1114 states have internal predecessors, (1278), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 92 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 10:38:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1482 transitions. [2024-11-07 10:38:35,638 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1482 transitions. Word has length 152 [2024-11-07 10:38:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:35,638 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1482 transitions. [2024-11-07 10:38:35,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1482 transitions. [2024-11-07 10:38:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 10:38:35,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:35,640 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:35,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 10:38:35,640 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:35,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:35,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1265666830, now seen corresponding path program 1 times [2024-11-07 10:38:35,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:35,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79163827] [2024-11-07 10:38:35,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:36,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:36,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79163827] [2024-11-07 10:38:36,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79163827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:36,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:36,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:38:36,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169148030] [2024-11-07 10:38:36,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:36,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:38:36,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:36,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:38:36,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:38:36,104 INFO L87 Difference]: Start difference. First operand 1238 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:36,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:36,540 INFO L93 Difference]: Finished difference Result 1274 states and 1526 transitions. [2024-11-07 10:38:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:38:36,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 152 [2024-11-07 10:38:36,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:36,548 INFO L225 Difference]: With dead ends: 1274 [2024-11-07 10:38:36,548 INFO L226 Difference]: Without dead ends: 1272 [2024-11-07 10:38:36,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:38:36,549 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 179 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:36,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 700 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:38:36,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2024-11-07 10:38:36,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 898. [2024-11-07 10:38:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 774 states have (on average 1.1614987080103358) internal successors, (899), 782 states have internal predecessors, (899), 94 states have call successors, (94), 29 states have call predecessors, (94), 29 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-07 10:38:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1087 transitions. [2024-11-07 10:38:36,663 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1087 transitions. Word has length 152 [2024-11-07 10:38:36,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:36,664 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1087 transitions. [2024-11-07 10:38:36,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1087 transitions. [2024-11-07 10:38:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 10:38:36,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:36,665 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:36,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-07 10:38:36,666 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:36,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:36,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2021980645, now seen corresponding path program 1 times [2024-11-07 10:38:36,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:36,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948371584] [2024-11-07 10:38:36,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:36,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:37,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:37,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948371584] [2024-11-07 10:38:37,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948371584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:37,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:37,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:38:37,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6410751] [2024-11-07 10:38:37,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:37,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:38:37,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:37,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:38:37,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:38:37,234 INFO L87 Difference]: Start difference. First operand 898 states and 1087 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:37,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:37,735 INFO L93 Difference]: Finished difference Result 2140 states and 2564 transitions. [2024-11-07 10:38:37,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:38:37,736 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 154 [2024-11-07 10:38:37,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:37,741 INFO L225 Difference]: With dead ends: 2140 [2024-11-07 10:38:37,741 INFO L226 Difference]: Without dead ends: 1296 [2024-11-07 10:38:37,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-07 10:38:37,742 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 237 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:37,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 641 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:38:37,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-07 10:38:37,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1054. [2024-11-07 10:38:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 930 states have (on average 1.1473118279569892) internal successors, (1067), 938 states have internal predecessors, (1067), 94 states have call successors, (94), 29 states have call predecessors, (94), 29 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-07 10:38:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1255 transitions. [2024-11-07 10:38:37,812 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1255 transitions. Word has length 154 [2024-11-07 10:38:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:37,812 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1255 transitions. [2024-11-07 10:38:37,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1255 transitions. [2024-11-07 10:38:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 10:38:37,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:37,813 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:37,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-07 10:38:37,813 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:37,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1686180637, now seen corresponding path program 1 times [2024-11-07 10:38:37,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:37,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879694248] [2024-11-07 10:38:37,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:38,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:38,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879694248] [2024-11-07 10:38:38,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879694248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:38,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:38,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 10:38:38,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330957680] [2024-11-07 10:38:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:38,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 10:38:38,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 10:38:38,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:38:38,668 INFO L87 Difference]: Start difference. First operand 1054 states and 1255 transitions. Second operand has 14 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-07 10:38:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:39,453 INFO L93 Difference]: Finished difference Result 2214 states and 2619 transitions. [2024-11-07 10:38:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:38:39,458 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 154 [2024-11-07 10:38:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:39,465 INFO L225 Difference]: With dead ends: 2214 [2024-11-07 10:38:39,465 INFO L226 Difference]: Without dead ends: 1214 [2024-11-07 10:38:39,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-07 10:38:39,467 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 350 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:39,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 732 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:38:39,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-07 10:38:39,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1054. [2024-11-07 10:38:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 930 states have (on average 1.1473118279569892) internal successors, (1067), 938 states have internal predecessors, (1067), 94 states have call successors, (94), 29 states have call predecessors, (94), 29 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-07 10:38:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1255 transitions. [2024-11-07 10:38:39,570 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1255 transitions. Word has length 154 [2024-11-07 10:38:39,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:39,573 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1255 transitions. [2024-11-07 10:38:39,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-07 10:38:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1255 transitions. [2024-11-07 10:38:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 10:38:39,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:39,575 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:39,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-07 10:38:39,575 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:39,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1176707547, now seen corresponding path program 1 times [2024-11-07 10:38:39,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:39,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447551393] [2024-11-07 10:38:39,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:39,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:40,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:40,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447551393] [2024-11-07 10:38:40,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447551393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:40,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:40,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:38:40,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194730249] [2024-11-07 10:38:40,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:40,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:38:40,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:38:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:38:40,067 INFO L87 Difference]: Start difference. First operand 1054 states and 1255 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:40,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:40,784 INFO L93 Difference]: Finished difference Result 2426 states and 2843 transitions. [2024-11-07 10:38:40,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:38:40,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 154 [2024-11-07 10:38:40,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:40,789 INFO L225 Difference]: With dead ends: 2426 [2024-11-07 10:38:40,789 INFO L226 Difference]: Without dead ends: 1426 [2024-11-07 10:38:40,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-07 10:38:40,790 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:40,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 929 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:38:40,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-07 10:38:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1337. [2024-11-07 10:38:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1183 states have (on average 1.1191885038038885) internal successors, (1324), 1196 states have internal predecessors, (1324), 114 states have call successors, (114), 39 states have call predecessors, (114), 39 states have return successors, (114), 101 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-07 10:38:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1552 transitions. [2024-11-07 10:38:40,892 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1552 transitions. Word has length 154 [2024-11-07 10:38:40,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:40,892 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1552 transitions. [2024-11-07 10:38:40,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 10:38:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1552 transitions. [2024-11-07 10:38:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 10:38:40,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:40,894 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:40,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-07 10:38:40,894 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:40,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 747728046, now seen corresponding path program 1 times [2024-11-07 10:38:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890034950] [2024-11-07 10:38:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 10:38:41,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575741932] [2024-11-07 10:38:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:41,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:38:41,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:38:41,086 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 10:38:41,087 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 10:38:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:41,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-07 10:38:41,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:38:42,063 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 15 treesize of output 1 [2024-11-07 10:38:42,150 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 15 treesize of output 1 [2024-11-07 10:38:42,277 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 15 treesize of output 1 [2024-11-07 10:38:42,444 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 51 treesize of output 43 [2024-11-07 10:38:42,451 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 54 treesize of output 34 [2024-11-07 10:38:42,461 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 35 treesize of output 27 [2024-11-07 10:38:42,465 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 31 treesize of output 23 [2024-11-07 10:38:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 10:38:42,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:38:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890034950] [2024-11-07 10:38:43,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 10:38:43,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575741932] [2024-11-07 10:38:43,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575741932] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 10:38:43,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 10:38:43,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2024-11-07 10:38:43,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037451727] [2024-11-07 10:38:43,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:43,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:38:43,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:43,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:38:43,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:38:43,424 INFO L87 Difference]: Start difference. First operand 1337 states and 1552 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:44,284 INFO L93 Difference]: Finished difference Result 3226 states and 3705 transitions. [2024-11-07 10:38:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:38:44,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-07 10:38:44,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:44,291 INFO L225 Difference]: With dead ends: 3226 [2024-11-07 10:38:44,291 INFO L226 Difference]: Without dead ends: 1943 [2024-11-07 10:38:44,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:38:44,293 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 96 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:44,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 420 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:38:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2024-11-07 10:38:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1698. [2024-11-07 10:38:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1543 states have (on average 1.1134154244977317) internal successors, (1718), 1556 states have internal predecessors, (1718), 114 states have call successors, (114), 40 states have call predecessors, (114), 40 states have return successors, (114), 101 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-07 10:38:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 1946 transitions. [2024-11-07 10:38:44,434 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 1946 transitions. Word has length 155 [2024-11-07 10:38:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:44,434 INFO L471 AbstractCegarLoop]: Abstraction has 1698 states and 1946 transitions. [2024-11-07 10:38:44,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 1946 transitions. [2024-11-07 10:38:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 10:38:44,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:44,436 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:44,447 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 10:38:44,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-07 10:38:44,638 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:44,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:44,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1448792624, now seen corresponding path program 1 times [2024-11-07 10:38:44,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:44,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796181882] [2024-11-07 10:38:44,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:44,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:44,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:44,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796181882] [2024-11-07 10:38:44,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796181882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:44,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:44,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 10:38:44,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406664703] [2024-11-07 10:38:44,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:44,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:38:44,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:44,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:38:44,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:38:44,800 INFO L87 Difference]: Start difference. First operand 1698 states and 1946 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:44,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:44,926 INFO L93 Difference]: Finished difference Result 3345 states and 3832 transitions. [2024-11-07 10:38:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 10:38:44,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-07 10:38:44,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:44,930 INFO L225 Difference]: With dead ends: 3345 [2024-11-07 10:38:44,930 INFO L226 Difference]: Without dead ends: 1705 [2024-11-07 10:38:44,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:38:44,933 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:44,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:38:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2024-11-07 10:38:45,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1666. [2024-11-07 10:38:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1511 states have (on average 1.1091992058239577) internal successors, (1676), 1524 states have internal predecessors, (1676), 114 states have call successors, (114), 40 states have call predecessors, (114), 40 states have return successors, (114), 101 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-07 10:38:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 1904 transitions. [2024-11-07 10:38:45,061 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 1904 transitions. Word has length 155 [2024-11-07 10:38:45,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:45,062 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 1904 transitions. [2024-11-07 10:38:45,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1904 transitions. [2024-11-07 10:38:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 10:38:45,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:38:45,063 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:45,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-07 10:38:45,063 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:38:45,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:38:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1175499988, now seen corresponding path program 1 times [2024-11-07 10:38:45,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:38:45,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740155971] [2024-11-07 10:38:45,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:38:45,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:38:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:38:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:38:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:38:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:38:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:38:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:38:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:38:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:38:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:38:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:38:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:38:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:38:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:38:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:38:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:38:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:38:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:38:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:38:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:38:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:38:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 10:38:45,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:38:45,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740155971] [2024-11-07 10:38:45,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740155971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:38:45,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:38:45,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:38:45,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204092064] [2024-11-07 10:38:45,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:38:45,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:38:45,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:38:45,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:38:45,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:38:45,301 INFO L87 Difference]: Start difference. First operand 1666 states and 1904 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:38:45,618 INFO L93 Difference]: Finished difference Result 4449 states and 5085 transitions. [2024-11-07 10:38:45,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:38:45,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-07 10:38:45,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:38:45,621 INFO L225 Difference]: With dead ends: 4449 [2024-11-07 10:38:45,621 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 10:38:45,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:38:45,626 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 119 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:38:45,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1407 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:38:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 10:38:45,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 10:38:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 10:38:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 10:38:45,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2024-11-07 10:38:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:38:45,629 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 10:38:45,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 10:38:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 10:38:45,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 10:38:45,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 10:38:45,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-07 10:38:45,634 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 10:38:45,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.