./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.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-sp_file-84.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', '645cc8cd2ca5c3df18e88a30b2b1ec0d9c7b704a87e37ccd990a4988acc7530a'] 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-sp_file-84.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 645cc8cd2ca5c3df18e88a30b2b1ec0d9c7b704a87e37ccd990a4988acc7530a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:00:39,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:00:39,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 11:00:39,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:00:39,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:00:39,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:00:39,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:00:39,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:00:39,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:00:39,159 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:00:39,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:00:39,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:00:39,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:00:39,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:00:39,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:00:39,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:00:39,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:00:39,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 11:00:39,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:00:39,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 11:00:39,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:00:39,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:00:39,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:00:39,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:00:39,162 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 -> 645cc8cd2ca5c3df18e88a30b2b1ec0d9c7b704a87e37ccd990a4988acc7530a [2024-11-07 11:00:39,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:00:39,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:00:39,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:00:39,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:00:39,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:00:39,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i [2024-11-07 11:00:40,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:00:40,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:00:40,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i [2024-11-07 11:00:40,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4939cf4cc/49a62aca9832437da5dc9436dfd72f5a/FLAG721a2f256 [2024-11-07 11:00:40,724 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4939cf4cc/49a62aca9832437da5dc9436dfd72f5a [2024-11-07 11:00:40,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:00:40,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:00:40,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:00:40,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:00:40,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:00:40,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:40,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6870e74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40, skipping insertion in model container [2024-11-07 11:00:40,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:40,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:00:40,852 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-sp_file-84.i[917,930] [2024-11-07 11:00:40,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:00:40,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:00:40,925 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-sp_file-84.i[917,930] [2024-11-07 11:00:40,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:00:40,982 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:00:40,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40 WrapperNode [2024-11-07 11:00:40,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:00:40,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:00:40,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:00:40,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:00:40,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,037 INFO L138 Inliner]: procedures = 30, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2024-11-07 11:00:41,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:00:41,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:00:41,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:00:41,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:00:41,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,064 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-07 11:00:41,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:00:41,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:00:41,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:00:41,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:00:41,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (1/1) ... [2024-11-07 11:00:41,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:00:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:00:41,139 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 11:00:41,141 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 11:00:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:00:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-07 11:00:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:00:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 11:00:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:00:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:00:41,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:00:41,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:00:41,702 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-07 11:00:41,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:00:41,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:00:41,709 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:00:41,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:00:41 BoogieIcfgContainer [2024-11-07 11:00:41,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:00:41,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:00:41,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:00:41,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:00:41,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:00:40" (1/3) ... [2024-11-07 11:00:41,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8e410e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:00:41, skipping insertion in model container [2024-11-07 11:00:41,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:00:40" (2/3) ... [2024-11-07 11:00:41,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8e410e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:00:41, skipping insertion in model container [2024-11-07 11:00:41,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:00:41" (3/3) ... [2024-11-07 11:00:41,717 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-84.i [2024-11-07 11:00:41,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:00:41,727 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:00:41,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:00:41,771 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;@7d42435f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:00:41,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:00:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 11:00:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 11:00:41,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:00:41,784 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:41,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:00:41,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:00:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash 924800917, now seen corresponding path program 1 times [2024-11-07 11:00:41,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:00:41,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965406691] [2024-11-07 11:00:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:00:41,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:00:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:00:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:00:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:00:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:00:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:00:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:00:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:00:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:00:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:00:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:00:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:00:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:00:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:00:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:00:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:00:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:00:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:00:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:00:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:00:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:00:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:00:42,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:00:42,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965406691] [2024-11-07 11:00:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965406691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:00:42,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:00:42,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 11:00:42,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968829730] [2024-11-07 11:00:42,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:00:42,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 11:00:42,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:00:42,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 11:00:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 11:00:42,201 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 11:00:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:00:42,222 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-07 11:00:42,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 11:00:42,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-07 11:00:42,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:00:42,229 INFO L225 Difference]: With dead ends: 199 [2024-11-07 11:00:42,229 INFO L226 Difference]: Without dead ends: 99 [2024-11-07 11:00:42,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 11:00:42,235 INFO L432 NwaCegarLoop]: 141 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, 141 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 11:00:42,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 11:00:42,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-07 11:00:42,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-07 11:00:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 11:00:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-11-07 11:00:42,266 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-11-07 11:00:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:00:42,267 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-11-07 11:00:42,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 11:00:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-11-07 11:00:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 11:00:42,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:00:42,272 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:42,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:00:42,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:00:42,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:00:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1032707065, now seen corresponding path program 1 times [2024-11-07 11:00:42,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:00:42,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657703599] [2024-11-07 11:00:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:00:42,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:00:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:00:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:00:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:00:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:00:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:00:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:00:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:00:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:00:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:00:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:00:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:00:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:00:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:00:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:00:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:00:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:00:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:00:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:00:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:00:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:00:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:00:42,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:00:42,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657703599] [2024-11-07 11:00:42,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657703599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:00:42,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:00:42,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:00:42,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529771297] [2024-11-07 11:00:42,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:00:42,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:00:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:00:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:00:42,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:00:42,651 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-07 11:00:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:00:42,698 INFO L93 Difference]: Finished difference Result 198 states and 283 transitions. [2024-11-07 11:00:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 11:00:42,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-07 11:00:42,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:00:42,701 INFO L225 Difference]: With dead ends: 198 [2024-11-07 11:00:42,702 INFO L226 Difference]: Without dead ends: 102 [2024-11-07 11:00:42,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 11:00:42,704 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 11:00:42,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 11:00:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-07 11:00:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2024-11-07 11:00:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 11:00:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-11-07 11:00:42,732 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 150 [2024-11-07 11:00:42,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:00:42,734 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-11-07 11:00:42,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-07 11:00:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-07 11:00:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 11:00:42,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:00:42,737 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:42,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 11:00:42,738 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:00:42,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:00:42,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1034554107, now seen corresponding path program 1 times [2024-11-07 11:00:42,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:00:42,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737742581] [2024-11-07 11:00:42,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:00:42,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:00:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:00:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:00:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:00:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:00:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:00:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:00:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:00:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:00:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:00:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:00:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:00:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:00:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:00:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:00:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:00:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:00:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:00:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:00:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:00:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:00:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:00:43,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:00:43,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737742581] [2024-11-07 11:00:43,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737742581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:00:43,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:00:43,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 11:00:43,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408009534] [2024-11-07 11:00:43,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:00:43,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:00:43,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:00:43,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:00:43,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:00:43,424 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-07 11:00:43,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:00:43,760 INFO L93 Difference]: Finished difference Result 292 states and 415 transitions. [2024-11-07 11:00:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:00:43,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-07 11:00:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:00:43,762 INFO L225 Difference]: With dead ends: 292 [2024-11-07 11:00:43,762 INFO L226 Difference]: Without dead ends: 194 [2024-11-07 11:00:43,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 11:00:43,764 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 106 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:00:43,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 370 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 11:00:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-07 11:00:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 169. [2024-11-07 11:00:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 126 states have internal predecessors, (160), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 11:00:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 240 transitions. [2024-11-07 11:00:43,779 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 240 transitions. Word has length 150 [2024-11-07 11:00:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:00:43,779 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 240 transitions. [2024-11-07 11:00:43,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-07 11:00:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 240 transitions. [2024-11-07 11:00:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 11:00:43,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:00:43,780 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:43,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 11:00:43,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:00:43,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:00:43,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2120166937, now seen corresponding path program 1 times [2024-11-07 11:00:43,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:00:43,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111231238] [2024-11-07 11:00:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:00:43,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:00:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:00:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:00:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:00:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:00:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:00:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:00:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:00:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:00:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:00:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:00:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:00:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:00:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:00:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:00:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:00:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:00:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:00:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:00:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:00:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:00:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:00:49,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:00:49,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111231238] [2024-11-07 11:00:49,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111231238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:00:49,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:00:49,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-07 11:00:49,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446325553] [2024-11-07 11:00:49,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:00:49,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 11:00:49,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:00:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 11:00:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-07 11:00:49,613 INFO L87 Difference]: Start difference. First operand 169 states and 240 transitions. Second operand has 19 states, 17 states have (on average 3.588235294117647) internal successors, (61), 19 states have internal predecessors, (61), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:00:52,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:00:52,950 INFO L93 Difference]: Finished difference Result 367 states and 518 transitions. [2024-11-07 11:00:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 11:00:52,951 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.588235294117647) internal successors, (61), 19 states have internal predecessors, (61), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 158 [2024-11-07 11:00:52,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:00:52,954 INFO L225 Difference]: With dead ends: 367 [2024-11-07 11:00:52,955 INFO L226 Difference]: Without dead ends: 269 [2024-11-07 11:00:52,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 11:00:52,957 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 378 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 11:00:52,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 878 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 11:00:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-07 11:00:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 195. [2024-11-07 11:00:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 152 states have (on average 1.2960526315789473) internal successors, (197), 152 states have internal predecessors, (197), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 11:00:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 277 transitions. [2024-11-07 11:00:52,989 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 277 transitions. Word has length 158 [2024-11-07 11:00:52,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:00:52,990 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 277 transitions. [2024-11-07 11:00:52,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.588235294117647) internal successors, (61), 19 states have internal predecessors, (61), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:00:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 277 transitions. [2024-11-07 11:00:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 11:00:52,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:00:52,991 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:52,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 11:00:52,992 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:00:52,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:00:52,992 INFO L85 PathProgramCache]: Analyzing trace with hash -710246938, now seen corresponding path program 1 times [2024-11-07 11:00:52,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:00:52,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660479618] [2024-11-07 11:00:52,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:00:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:00:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:00:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:00:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:00:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:00:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:00:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:00:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:00:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:00:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:00:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:00:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:00:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:00:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:00:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:00:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:00:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:00:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:00:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:00:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:56,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:00:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:57,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:00:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:00:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:00:57,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:00:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660479618] [2024-11-07 11:00:57,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660479618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:00:57,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:00:57,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-07 11:00:57,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853539828] [2024-11-07 11:00:57,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:00:57,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 11:00:57,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:00:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 11:00:57,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-07 11:00:57,013 INFO L87 Difference]: Start difference. First operand 195 states and 277 transitions. Second operand has 19 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 19 states have internal predecessors, (62), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:00:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:00:58,963 INFO L93 Difference]: Finished difference Result 348 states and 492 transitions. [2024-11-07 11:00:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 11:00:58,963 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 19 states have internal predecessors, (62), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 159 [2024-11-07 11:00:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:00:58,965 INFO L225 Difference]: With dead ends: 348 [2024-11-07 11:00:58,965 INFO L226 Difference]: Without dead ends: 234 [2024-11-07 11:00:58,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2024-11-07 11:00:58,966 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 216 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:00:58,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 610 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 11:00:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-07 11:00:58,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 195. [2024-11-07 11:00:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 152 states have (on average 1.2960526315789473) internal successors, (197), 152 states have internal predecessors, (197), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 11:00:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 277 transitions. [2024-11-07 11:00:58,985 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 277 transitions. Word has length 159 [2024-11-07 11:00:58,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:00:58,985 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 277 transitions. [2024-11-07 11:00:58,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 19 states have internal predecessors, (62), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:00:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 277 transitions. [2024-11-07 11:00:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:00:58,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:00:58,987 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:58,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 11:00:58,987 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:00:58,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:00:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1171616002, now seen corresponding path program 1 times [2024-11-07 11:00:58,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:00:58,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551893752] [2024-11-07 11:00:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:00:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:00:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:01,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:01,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551893752] [2024-11-07 11:01:01,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551893752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:01,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:01,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 11:01:01,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425032997] [2024-11-07 11:01:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:01,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 11:01:01,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:01,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 11:01:01,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-07 11:01:01,439 INFO L87 Difference]: Start difference. First operand 195 states and 277 transitions. Second operand has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:02,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:02,828 INFO L93 Difference]: Finished difference Result 378 states and 533 transitions. [2024-11-07 11:01:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 11:01:02,828 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:02,830 INFO L225 Difference]: With dead ends: 378 [2024-11-07 11:01:02,830 INFO L226 Difference]: Without dead ends: 264 [2024-11-07 11:01:02,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-07 11:01:02,831 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 314 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:02,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 457 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 11:01:02,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-07 11:01:02,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 261. [2024-11-07 11:01:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 215 states have (on average 1.3162790697674418) internal successors, (283), 216 states have internal predecessors, (283), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 11:01:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 367 transitions. [2024-11-07 11:01:02,855 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 367 transitions. Word has length 160 [2024-11-07 11:01:02,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:02,856 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 367 transitions. [2024-11-07 11:01:02,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 367 transitions. [2024-11-07 11:01:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:02,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:02,857 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:02,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 11:01:02,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:02,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:02,857 INFO L85 PathProgramCache]: Analyzing trace with hash 269132564, now seen corresponding path program 1 times [2024-11-07 11:01:02,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:02,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160489471] [2024-11-07 11:01:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:02,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:06,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:06,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160489471] [2024-11-07 11:01:06,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160489471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:06,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:06,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 11:01:06,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290392275] [2024-11-07 11:01:06,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:06,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 11:01:06,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:06,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 11:01:06,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-07 11:01:06,241 INFO L87 Difference]: Start difference. First operand 261 states and 367 transitions. Second operand has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:08,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:08,586 INFO L93 Difference]: Finished difference Result 609 states and 849 transitions. [2024-11-07 11:01:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 11:01:08,587 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:08,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:08,590 INFO L225 Difference]: With dead ends: 609 [2024-11-07 11:01:08,590 INFO L226 Difference]: Without dead ends: 441 [2024-11-07 11:01:08,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2024-11-07 11:01:08,592 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 653 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:08,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 572 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 11:01:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-07 11:01:08,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 390. [2024-11-07 11:01:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 338 states have (on average 1.3402366863905326) internal successors, (453), 340 states have internal predecessors, (453), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 11:01:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 545 transitions. [2024-11-07 11:01:08,640 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 545 transitions. Word has length 160 [2024-11-07 11:01:08,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:08,640 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 545 transitions. [2024-11-07 11:01:08,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 545 transitions. [2024-11-07 11:01:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:08,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:08,642 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:08,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 11:01:08,642 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:08,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:08,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1129206588, now seen corresponding path program 1 times [2024-11-07 11:01:08,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:08,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750902431] [2024-11-07 11:01:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:08,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:08,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:08,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750902431] [2024-11-07 11:01:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750902431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:08,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:08,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 11:01:08,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2872948] [2024-11-07 11:01:08,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:08,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:01:08,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:08,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:01:08,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:01:08,838 INFO L87 Difference]: Start difference. First operand 390 states and 545 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-07 11:01:09,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:09,128 INFO L93 Difference]: Finished difference Result 772 states and 1071 transitions. [2024-11-07 11:01:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:01:09,128 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-07 11:01:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:09,131 INFO L225 Difference]: With dead ends: 772 [2024-11-07 11:01:09,132 INFO L226 Difference]: Without dead ends: 505 [2024-11-07 11:01:09,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 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 11:01:09,133 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 38 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:09,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 450 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 11:01:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-07 11:01:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 401. [2024-11-07 11:01:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 349 states have (on average 1.335243553008596) internal successors, (466), 351 states have internal predecessors, (466), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 11:01:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 558 transitions. [2024-11-07 11:01:09,184 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 558 transitions. Word has length 160 [2024-11-07 11:01:09,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:09,186 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 558 transitions. [2024-11-07 11:01:09,186 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-07 11:01:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 558 transitions. [2024-11-07 11:01:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:09,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:09,187 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:09,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 11:01:09,187 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:09,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:09,188 INFO L85 PathProgramCache]: Analyzing trace with hash -150657090, now seen corresponding path program 1 times [2024-11-07 11:01:09,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:09,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082879245] [2024-11-07 11:01:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:09,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:13,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:13,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082879245] [2024-11-07 11:01:13,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082879245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:13,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:13,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-07 11:01:13,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768715162] [2024-11-07 11:01:13,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:13,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 11:01:13,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:13,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 11:01:13,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-07 11:01:13,574 INFO L87 Difference]: Start difference. First operand 401 states and 558 transitions. Second operand has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-07 11:01:15,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:15,991 INFO L93 Difference]: Finished difference Result 676 states and 941 transitions. [2024-11-07 11:01:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 11:01:15,992 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) Word has length 160 [2024-11-07 11:01:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:15,994 INFO L225 Difference]: With dead ends: 676 [2024-11-07 11:01:15,994 INFO L226 Difference]: Without dead ends: 398 [2024-11-07 11:01:15,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2024-11-07 11:01:15,995 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 419 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:15,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 588 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 11:01:15,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-07 11:01:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 391. [2024-11-07 11:01:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 339 states have (on average 1.3392330383480826) internal successors, (454), 341 states have internal predecessors, (454), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 11:01:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 546 transitions. [2024-11-07 11:01:16,037 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 546 transitions. Word has length 160 [2024-11-07 11:01:16,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:16,038 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 546 transitions. [2024-11-07 11:01:16,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-07 11:01:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 546 transitions. [2024-11-07 11:01:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:16,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:16,040 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:16,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 11:01:16,040 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:16,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash 409681174, now seen corresponding path program 1 times [2024-11-07 11:01:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462726932] [2024-11-07 11:01:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:16,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462726932] [2024-11-07 11:01:16,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462726932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:16,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:16,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 11:01:16,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744112081] [2024-11-07 11:01:16,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:16,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 11:01:16,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:16,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 11:01:16,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 11:01:16,980 INFO L87 Difference]: Start difference. First operand 391 states and 546 transitions. Second operand has 11 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-07 11:01:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:17,734 INFO L93 Difference]: Finished difference Result 814 states and 1130 transitions. [2024-11-07 11:01:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 11:01:17,734 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-11-07 11:01:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:17,736 INFO L225 Difference]: With dead ends: 814 [2024-11-07 11:01:17,736 INFO L226 Difference]: Without dead ends: 546 [2024-11-07 11:01:17,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:01:17,738 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 227 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:17,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 459 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 11:01:17,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-07 11:01:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 543. [2024-11-07 11:01:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 474 states have (on average 1.3291139240506329) internal successors, (630), 479 states have internal predecessors, (630), 60 states have call successors, (60), 8 states have call predecessors, (60), 8 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 11:01:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 750 transitions. [2024-11-07 11:01:17,858 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 750 transitions. Word has length 160 [2024-11-07 11:01:17,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:17,858 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 750 transitions. [2024-11-07 11:01:17,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-07 11:01:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 750 transitions. [2024-11-07 11:01:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:17,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:17,860 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:17,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 11:01:17,860 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:17,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:17,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1545951006, now seen corresponding path program 1 times [2024-11-07 11:01:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:17,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608130944] [2024-11-07 11:01:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:17,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:20,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:20,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608130944] [2024-11-07 11:01:20,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608130944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:20,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:20,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 11:01:20,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548435006] [2024-11-07 11:01:20,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:20,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 11:01:20,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:20,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 11:01:20,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-07 11:01:20,103 INFO L87 Difference]: Start difference. First operand 543 states and 750 transitions. Second operand has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:21,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:21,631 INFO L93 Difference]: Finished difference Result 965 states and 1321 transitions. [2024-11-07 11:01:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 11:01:21,632 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:21,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:21,635 INFO L225 Difference]: With dead ends: 965 [2024-11-07 11:01:21,635 INFO L226 Difference]: Without dead ends: 559 [2024-11-07 11:01:21,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2024-11-07 11:01:21,636 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 290 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:21,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 551 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 11:01:21,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-07 11:01:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 489. [2024-11-07 11:01:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 423 states have (on average 1.3238770685579195) internal successors, (560), 426 states have internal predecessors, (560), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 11:01:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 672 transitions. [2024-11-07 11:01:21,698 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 672 transitions. Word has length 160 [2024-11-07 11:01:21,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:21,699 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 672 transitions. [2024-11-07 11:01:21,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 672 transitions. [2024-11-07 11:01:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:21,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:21,700 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:21,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 11:01:21,700 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:21,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:21,700 INFO L85 PathProgramCache]: Analyzing trace with hash 524882652, now seen corresponding path program 1 times [2024-11-07 11:01:21,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:21,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738181463] [2024-11-07 11:01:21,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:21,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:23,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:23,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738181463] [2024-11-07 11:01:23,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738181463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:23,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:23,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 11:01:23,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249192367] [2024-11-07 11:01:23,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:23,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 11:01:23,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 11:01:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-07 11:01:23,845 INFO L87 Difference]: Start difference. First operand 489 states and 672 transitions. Second operand has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:25,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:25,417 INFO L93 Difference]: Finished difference Result 923 states and 1256 transitions. [2024-11-07 11:01:25,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 11:01:25,418 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:25,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:25,421 INFO L225 Difference]: With dead ends: 923 [2024-11-07 11:01:25,421 INFO L226 Difference]: Without dead ends: 575 [2024-11-07 11:01:25,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-07 11:01:25,423 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 164 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:25,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 777 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 11:01:25,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-07 11:01:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 489. [2024-11-07 11:01:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 423 states have (on average 1.3191489361702127) internal successors, (558), 426 states have internal predecessors, (558), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 11:01:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 670 transitions. [2024-11-07 11:01:25,493 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 670 transitions. Word has length 160 [2024-11-07 11:01:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:25,494 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 670 transitions. [2024-11-07 11:01:25,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 670 transitions. [2024-11-07 11:01:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:25,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:25,495 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:25,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 11:01:25,495 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:25,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:25,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1148983748, now seen corresponding path program 1 times [2024-11-07 11:01:25,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:25,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081588480] [2024-11-07 11:01:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:25,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:27,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:27,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081588480] [2024-11-07 11:01:27,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081588480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:27,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:27,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 11:01:27,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538877494] [2024-11-07 11:01:27,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:27,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 11:01:27,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:27,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 11:01:27,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-07 11:01:27,542 INFO L87 Difference]: Start difference. First operand 489 states and 670 transitions. Second operand has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:29,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:29,402 INFO L93 Difference]: Finished difference Result 934 states and 1269 transitions. [2024-11-07 11:01:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 11:01:29,402 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:29,407 INFO L225 Difference]: With dead ends: 934 [2024-11-07 11:01:29,407 INFO L226 Difference]: Without dead ends: 586 [2024-11-07 11:01:29,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-07 11:01:29,408 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 174 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:29,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 706 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 11:01:29,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-07 11:01:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 582. [2024-11-07 11:01:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 506 states have (on average 1.3043478260869565) internal successors, (660), 511 states have internal predecessors, (660), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 59 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-07 11:01:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 788 transitions. [2024-11-07 11:01:29,493 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 788 transitions. Word has length 160 [2024-11-07 11:01:29,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:29,493 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 788 transitions. [2024-11-07 11:01:29,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 788 transitions. [2024-11-07 11:01:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:29,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:29,495 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:29,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 11:01:29,495 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:29,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash 291764818, now seen corresponding path program 1 times [2024-11-07 11:01:29,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:29,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566146586] [2024-11-07 11:01:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:29,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:31,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:31,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566146586] [2024-11-07 11:01:31,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566146586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:31,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:31,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 11:01:31,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988059640] [2024-11-07 11:01:31,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:31,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 11:01:31,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:31,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 11:01:31,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-07 11:01:31,436 INFO L87 Difference]: Start difference. First operand 582 states and 788 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:32,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:32,501 INFO L93 Difference]: Finished difference Result 1126 states and 1514 transitions. [2024-11-07 11:01:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 11:01:32,501 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:32,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:32,504 INFO L225 Difference]: With dead ends: 1126 [2024-11-07 11:01:32,504 INFO L226 Difference]: Without dead ends: 687 [2024-11-07 11:01:32,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-07 11:01:32,505 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 288 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:32,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 427 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 11:01:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-07 11:01:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 598. [2024-11-07 11:01:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 526 states have (on average 1.3136882129277567) internal successors, (691), 531 states have internal predecessors, (691), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 11:01:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 811 transitions. [2024-11-07 11:01:32,574 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 811 transitions. Word has length 160 [2024-11-07 11:01:32,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:32,574 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 811 transitions. [2024-11-07 11:01:32,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 811 transitions. [2024-11-07 11:01:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:32,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:32,575 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:32,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 11:01:32,575 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:32,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:32,576 INFO L85 PathProgramCache]: Analyzing trace with hash -128024836, now seen corresponding path program 1 times [2024-11-07 11:01:32,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:32,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208340526] [2024-11-07 11:01:32,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:32,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:34,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:34,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208340526] [2024-11-07 11:01:34,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208340526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:34,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:34,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 11:01:34,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210912275] [2024-11-07 11:01:34,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:34,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 11:01:34,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:34,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 11:01:34,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-07 11:01:34,642 INFO L87 Difference]: Start difference. First operand 598 states and 811 transitions. Second operand has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:36,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:36,166 INFO L93 Difference]: Finished difference Result 1134 states and 1525 transitions. [2024-11-07 11:01:36,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 11:01:36,167 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:36,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:36,169 INFO L225 Difference]: With dead ends: 1134 [2024-11-07 11:01:36,169 INFO L226 Difference]: Without dead ends: 681 [2024-11-07 11:01:36,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-07 11:01:36,170 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 297 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:36,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 634 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 11:01:36,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-07 11:01:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 593. [2024-11-07 11:01:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 521 states have (on average 1.3128598848368522) internal successors, (684), 526 states have internal predecessors, (684), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 11:01:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 804 transitions. [2024-11-07 11:01:36,241 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 804 transitions. Word has length 160 [2024-11-07 11:01:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:36,241 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 804 transitions. [2024-11-07 11:01:36,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 804 transitions. [2024-11-07 11:01:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:36,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:36,242 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:36,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 11:01:36,243 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:36,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1702379888, now seen corresponding path program 1 times [2024-11-07 11:01:36,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:36,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564069178] [2024-11-07 11:01:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:39,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:39,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564069178] [2024-11-07 11:01:39,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564069178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:39,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:39,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 11:01:39,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929442617] [2024-11-07 11:01:39,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:39,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 11:01:39,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:39,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 11:01:39,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:01:39,486 INFO L87 Difference]: Start difference. First operand 593 states and 804 transitions. Second operand has 14 states, 12 states have (on average 5.25) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:40,957 INFO L93 Difference]: Finished difference Result 1087 states and 1472 transitions. [2024-11-07 11:01:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 11:01:40,958 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.25) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-07 11:01:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:40,960 INFO L225 Difference]: With dead ends: 1087 [2024-11-07 11:01:40,960 INFO L226 Difference]: Without dead ends: 639 [2024-11-07 11:01:40,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-07 11:01:40,962 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 471 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:40,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 482 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 11:01:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-11-07 11:01:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 597. [2024-11-07 11:01:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 525 states have (on average 1.32) internal successors, (693), 530 states have internal predecessors, (693), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 11:01:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 813 transitions. [2024-11-07 11:01:41,033 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 813 transitions. Word has length 160 [2024-11-07 11:01:41,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:41,033 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 813 transitions. [2024-11-07 11:01:41,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.25) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 813 transitions. [2024-11-07 11:01:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:41,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:41,034 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:41,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 11:01:41,034 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:41,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:41,034 INFO L85 PathProgramCache]: Analyzing trace with hash 547514906, now seen corresponding path program 1 times [2024-11-07 11:01:41,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:41,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522256034] [2024-11-07 11:01:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:41,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:41,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:41,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522256034] [2024-11-07 11:01:41,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522256034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:41,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:41,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 11:01:41,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732440578] [2024-11-07 11:01:41,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:41,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 11:01:41,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:41,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 11:01:41,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 11:01:41,533 INFO L87 Difference]: Start difference. First operand 597 states and 813 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-07 11:01:41,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:41,948 INFO L93 Difference]: Finished difference Result 1069 states and 1455 transitions. [2024-11-07 11:01:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 11:01:41,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-11-07 11:01:41,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:41,951 INFO L225 Difference]: With dead ends: 1069 [2024-11-07 11:01:41,951 INFO L226 Difference]: Without dead ends: 597 [2024-11-07 11:01:41,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 11:01:41,952 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 105 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:41,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 324 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 11:01:41,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-07 11:01:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2024-11-07 11:01:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 525 states have (on average 1.3161904761904761) internal successors, (691), 530 states have internal predecessors, (691), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 11:01:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 811 transitions. [2024-11-07 11:01:42,023 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 811 transitions. Word has length 160 [2024-11-07 11:01:42,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:42,023 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 811 transitions. [2024-11-07 11:01:42,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-07 11:01:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 811 transitions. [2024-11-07 11:01:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 11:01:42,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:42,024 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:42,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 11:01:42,025 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:42,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:42,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1824224356, now seen corresponding path program 1 times [2024-11-07 11:01:42,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:42,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740819411] [2024-11-07 11:01:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:44,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740819411] [2024-11-07 11:01:44,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740819411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:44,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:44,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 11:01:44,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295151916] [2024-11-07 11:01:44,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:44,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 11:01:44,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:44,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 11:01:44,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-07 11:01:44,787 INFO L87 Difference]: Start difference. First operand 597 states and 811 transitions. Second operand has 18 states, 15 states have (on average 4.2) internal successors, (63), 18 states have internal predecessors, (63), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-07 11:01:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:46,890 INFO L93 Difference]: Finished difference Result 1205 states and 1623 transitions. [2024-11-07 11:01:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 11:01:46,891 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 4.2) internal successors, (63), 18 states have internal predecessors, (63), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) Word has length 160 [2024-11-07 11:01:46,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:46,893 INFO L225 Difference]: With dead ends: 1205 [2024-11-07 11:01:46,893 INFO L226 Difference]: Without dead ends: 753 [2024-11-07 11:01:46,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-11-07 11:01:46,894 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 279 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:46,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 778 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 11:01:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-07 11:01:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 521. [2024-11-07 11:01:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 455 states have (on average 1.323076923076923) internal successors, (602), 458 states have internal predecessors, (602), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 11:01:46,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 714 transitions. [2024-11-07 11:01:46,962 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 714 transitions. Word has length 160 [2024-11-07 11:01:46,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:46,962 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 714 transitions. [2024-11-07 11:01:46,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 4.2) internal successors, (63), 18 states have internal predecessors, (63), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-07 11:01:46,963 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 714 transitions. [2024-11-07 11:01:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 11:01:46,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:46,964 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:46,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 11:01:46,964 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:46,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:46,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1809915787, now seen corresponding path program 1 times [2024-11-07 11:01:46,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:46,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898291179] [2024-11-07 11:01:46,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:46,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:49,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:49,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898291179] [2024-11-07 11:01:49,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898291179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:49,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:49,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 11:01:49,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50894261] [2024-11-07 11:01:49,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:49,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 11:01:49,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:49,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 11:01:49,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-07 11:01:49,763 INFO L87 Difference]: Start difference. First operand 521 states and 714 transitions. Second operand has 17 states, 15 states have (on average 4.266666666666667) internal successors, (64), 17 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:51,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:51,384 INFO L93 Difference]: Finished difference Result 1031 states and 1397 transitions. [2024-11-07 11:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 11:01:51,386 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.266666666666667) internal successors, (64), 17 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 161 [2024-11-07 11:01:51,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:51,388 INFO L225 Difference]: With dead ends: 1031 [2024-11-07 11:01:51,388 INFO L226 Difference]: Without dead ends: 655 [2024-11-07 11:01:51,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2024-11-07 11:01:51,389 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 261 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:51,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 554 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 11:01:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-07 11:01:51,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 570. [2024-11-07 11:01:51,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 501 states have (on average 1.3173652694610778) internal successors, (660), 505 states have internal predecessors, (660), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 11:01:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 776 transitions. [2024-11-07 11:01:51,461 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 776 transitions. Word has length 161 [2024-11-07 11:01:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:51,461 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 776 transitions. [2024-11-07 11:01:51,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.266666666666667) internal successors, (64), 17 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 776 transitions. [2024-11-07 11:01:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 11:01:51,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:51,462 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:51,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 11:01:51,462 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:51,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:51,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1044302943, now seen corresponding path program 1 times [2024-11-07 11:01:51,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:51,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439781585] [2024-11-07 11:01:51,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:51,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:53,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:53,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439781585] [2024-11-07 11:01:53,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439781585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:53,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:53,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 11:01:53,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469907006] [2024-11-07 11:01:53,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:53,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 11:01:53,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:53,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 11:01:53,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:01:53,964 INFO L87 Difference]: Start difference. First operand 570 states and 776 transitions. Second operand has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-07 11:01:55,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:55,195 INFO L93 Difference]: Finished difference Result 1093 states and 1484 transitions. [2024-11-07 11:01:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 11:01:55,196 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2024-11-07 11:01:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:55,198 INFO L225 Difference]: With dead ends: 1093 [2024-11-07 11:01:55,198 INFO L226 Difference]: Without dead ends: 670 [2024-11-07 11:01:55,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2024-11-07 11:01:55,199 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 371 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:55,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 488 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 11:01:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-07 11:01:55,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 602. [2024-11-07 11:01:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 533 states have (on average 1.3151969981238274) internal successors, (701), 537 states have internal predecessors, (701), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 11:01:55,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 817 transitions. [2024-11-07 11:01:55,273 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 817 transitions. Word has length 161 [2024-11-07 11:01:55,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:55,273 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 817 transitions. [2024-11-07 11:01:55,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-07 11:01:55,274 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 817 transitions. [2024-11-07 11:01:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 11:01:55,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:55,275 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:55,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 11:01:55,275 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:55,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:55,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1464092597, now seen corresponding path program 1 times [2024-11-07 11:01:55,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:55,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640922526] [2024-11-07 11:01:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:55,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:01:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:01:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:01:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:01:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:01:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:01:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:01:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:01:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:01:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:01:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:01:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:01:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:01:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:01:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:01:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:01:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:01:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:01:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:01:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:01:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:01:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:01:57,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:01:57,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640922526] [2024-11-07 11:01:57,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640922526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:01:57,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:01:57,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 11:01:57,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543447832] [2024-11-07 11:01:57,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:01:57,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 11:01:57,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:01:57,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 11:01:57,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:01:57,788 INFO L87 Difference]: Start difference. First operand 602 states and 817 transitions. Second operand has 14 states, 12 states have (on average 5.333333333333333) internal successors, (64), 14 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:01:59,026 INFO L93 Difference]: Finished difference Result 1183 states and 1597 transitions. [2024-11-07 11:01:59,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 11:01:59,026 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.333333333333333) internal successors, (64), 14 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 161 [2024-11-07 11:01:59,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:01:59,029 INFO L225 Difference]: With dead ends: 1183 [2024-11-07 11:01:59,029 INFO L226 Difference]: Without dead ends: 734 [2024-11-07 11:01:59,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-07 11:01:59,030 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 206 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 11:01:59,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 461 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 11:01:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-07 11:01:59,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 612. [2024-11-07 11:01:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 543 states have (on average 1.3057090239410682) internal successors, (709), 547 states have internal predecessors, (709), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 11:01:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 825 transitions. [2024-11-07 11:01:59,109 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 825 transitions. Word has length 161 [2024-11-07 11:01:59,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:01:59,109 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 825 transitions. [2024-11-07 11:01:59,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.333333333333333) internal successors, (64), 14 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:01:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 825 transitions. [2024-11-07 11:01:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 11:01:59,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:01:59,110 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:59,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 11:01:59,110 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:01:59,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:01:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash -982263329, now seen corresponding path program 1 times [2024-11-07 11:01:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:01:59,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959116735] [2024-11-07 11:01:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:01:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:01:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 11:02:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 11:02:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:02:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:02:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:02:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:02:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:02:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:02:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:02:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:02:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:02:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:02:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:02:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:02:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:02:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:02:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 11:02:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 11:02:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:02:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:02:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:02:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 11:02:00,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:02:00,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959116735] [2024-11-07 11:02:00,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959116735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:02:00,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:02:00,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 11:02:00,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725962194] [2024-11-07 11:02:00,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:02:00,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 11:02:00,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:02:00,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 11:02:00,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-07 11:02:00,267 INFO L87 Difference]: Start difference. First operand 612 states and 825 transitions. Second operand has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:02:01,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:02:01,061 INFO L93 Difference]: Finished difference Result 1140 states and 1535 transitions. [2024-11-07 11:02:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 11:02:01,064 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 161 [2024-11-07 11:02:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:02:01,066 INFO L225 Difference]: With dead ends: 1140 [2024-11-07 11:02:01,066 INFO L226 Difference]: Without dead ends: 685 [2024-11-07 11:02:01,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-11-07 11:02:01,068 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 170 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 11:02:01,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 498 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 11:02:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-07 11:02:01,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 626. [2024-11-07 11:02:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 554 states have (on average 1.2978339350180506) internal successors, (719), 559 states have internal predecessors, (719), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 11:02:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 839 transitions. [2024-11-07 11:02:01,168 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 839 transitions. Word has length 161 [2024-11-07 11:02:01,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:02:01,168 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 839 transitions. [2024-11-07 11:02:01,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-07 11:02:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 839 transitions. [2024-11-07 11:02:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 11:02:01,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:02:01,169 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:01,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 11:02:01,170 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:02:01,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:02:01,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1331071615, now seen corresponding path program 1 times [2024-11-07 11:02:01,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:02:01,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215756332] [2024-11-07 11:02:01,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:02:01,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:02:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat