./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label43+token_ring.07.cil-1.c --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/combinations/Problem05_label43+token_ring.07.cil-1.c', '-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', '54f1be55645106b43145d214f59b6f833268ce7c7f84e399c536bf03a2c9679b'] 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/combinations/Problem05_label43+token_ring.07.cil-1.c -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 54f1be55645106b43145d214f59b6f833268ce7c7f84e399c536bf03a2c9679b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:59:49,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:59:49,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:59:49,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:59:49,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:59:49,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:59:49,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:59:49,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:59:49,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:59:49,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:59:49,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:59:49,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:59:49,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:59:49,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:59:49,916 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:59:49,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:59:49,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:59:49,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:59:49,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:59:49,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:59:49,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:59:49,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:59:49,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:59:49,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:59:49,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:59:49,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:59:49,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:59:49,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:59:49,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:59:49,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:59:49,919 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 -> 54f1be55645106b43145d214f59b6f833268ce7c7f84e399c536bf03a2c9679b [2024-11-07 00:59:50,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:59:50,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:59:50,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:59:50,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:59:50,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:59:50,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label43+token_ring.07.cil-1.c [2024-11-07 00:59:51,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:59:52,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:59:52,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.07.cil-1.c [2024-11-07 00:59:52,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cc58e28db/885e6340c4124fc0a7fd5b77c84ac575/FLAG7a63beb1b [2024-11-07 00:59:52,380 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cc58e28db/885e6340c4124fc0a7fd5b77c84ac575 [2024-11-07 00:59:52,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:59:52,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:59:52,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:59:52,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:59:52,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:59:52,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:52" (1/1) ... [2024-11-07 00:59:52,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfe3c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:52, skipping insertion in model container [2024-11-07 00:59:52,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:52" (1/1) ... [2024-11-07 00:59:52,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:59:53,800 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/combinations/Problem05_label43+token_ring.07.cil-1.c[381679,381692] [2024-11-07 00:59:53,824 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/combinations/Problem05_label43+token_ring.07.cil-1.c[383339,383352] [2024-11-07 00:59:54,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:59:54,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:59:54,766 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/combinations/Problem05_label43+token_ring.07.cil-1.c[381679,381692] [2024-11-07 00:59:54,770 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/combinations/Problem05_label43+token_ring.07.cil-1.c[383339,383352] [2024-11-07 00:59:54,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:59:54,867 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:59:54,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54 WrapperNode [2024-11-07 00:59:54,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:59:54,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:59:54,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:59:54,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:59:54,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:54,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,448 INFO L138 Inliner]: procedures = 58, calls = 62, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 12933 [2024-11-07 00:59:55,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:59:55,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:59:55,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:59:55,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:59:55,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,612 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 00:59:55,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:59:55,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:59:55,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:59:55,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:59:55,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (1/1) ... [2024-11-07 00:59:55,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:59:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:59:56,008 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 00:59:56,072 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 00:59:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:59:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-07 00:59:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-07 00:59:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-07 00:59:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-07 00:59:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-07 00:59:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-07 00:59:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-07 00:59:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-07 00:59:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-07 00:59:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-07 00:59:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-07 00:59:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-07 00:59:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:59:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:59:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:59:56,238 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:59:56,240 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 01:00:04,271 INFO L? ?]: Removed 1725 outVars from TransFormulas that were not future-live. [2024-11-07 01:00:04,271 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 01:00:04,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 01:00:04,351 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-07 01:00:04,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:04 BoogieIcfgContainer [2024-11-07 01:00:04,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 01:00:04,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 01:00:04,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 01:00:04,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 01:00:04,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:52" (1/3) ... [2024-11-07 01:00:04,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b332d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:04, skipping insertion in model container [2024-11-07 01:00:04,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:54" (2/3) ... [2024-11-07 01:00:04,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b332d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:04, skipping insertion in model container [2024-11-07 01:00:04,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:04" (3/3) ... [2024-11-07 01:00:04,368 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label43+token_ring.07.cil-1.c [2024-11-07 01:00:04,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 01:00:04,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 01:00:04,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 01:00:04,511 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;@2522776d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 01:00:04,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 01:00:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 2448 states, 2418 states have (on average 1.846980976013234) internal successors, (4466), 2421 states have internal predecessors, (4466), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 01:00:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:04,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:04,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:04,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:04,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash -185655382, now seen corresponding path program 1 times [2024-11-07 01:00:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282161295] [2024-11-07 01:00:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:04,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:04,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:04,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:05,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:05,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:05,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282161295] [2024-11-07 01:00:05,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282161295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:05,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:05,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:00:05,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334835148] [2024-11-07 01:00:05,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:05,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:00:05,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:05,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:00:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:00:05,123 INFO L87 Difference]: Start difference. First operand has 2448 states, 2418 states have (on average 1.846980976013234) internal successors, (4466), 2421 states have internal predecessors, (4466), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:06,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:06,350 INFO L93 Difference]: Finished difference Result 4971 states and 9143 transitions. [2024-11-07 01:00:06,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 01:00:06,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:06,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:06,374 INFO L225 Difference]: With dead ends: 4971 [2024-11-07 01:00:06,374 INFO L226 Difference]: Without dead ends: 2468 [2024-11-07 01:00:06,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:00:06,384 INFO L432 NwaCegarLoop]: 4268 mSDtfsCounter, 665 mSDsluCounter, 12351 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 16619 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:06,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 16619 Invalid, 697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 01:00:06,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2024-11-07 01:00:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2381. [2024-11-07 01:00:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2352 states have (on average 1.8337585034013606) internal successors, (4313), 2354 states have internal predecessors, (4313), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 01:00:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 4355 transitions. [2024-11-07 01:00:06,537 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 4355 transitions. Word has length 123 [2024-11-07 01:00:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:06,538 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 4355 transitions. [2024-11-07 01:00:06,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 4355 transitions. [2024-11-07 01:00:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:06,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:06,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:06,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 01:00:06,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:06,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:06,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1787509996, now seen corresponding path program 1 times [2024-11-07 01:00:06,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:06,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480383871] [2024-11-07 01:00:06,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:06,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:06,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:06,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:06,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:06,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480383871] [2024-11-07 01:00:06,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480383871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:06,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:06,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:00:06,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510844240] [2024-11-07 01:00:06,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:06,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:00:06,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:06,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:00:06,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:00:06,913 INFO L87 Difference]: Start difference. First operand 2381 states and 4355 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:08,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:08,889 INFO L93 Difference]: Finished difference Result 3053 states and 5418 transitions. [2024-11-07 01:00:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 01:00:08,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:08,909 INFO L225 Difference]: With dead ends: 3053 [2024-11-07 01:00:08,910 INFO L226 Difference]: Without dead ends: 2808 [2024-11-07 01:00:08,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:00:08,914 INFO L432 NwaCegarLoop]: 4179 mSDtfsCounter, 4951 mSDsluCounter, 12535 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4965 SdHoareTripleChecker+Valid, 16714 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:08,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4965 Valid, 16714 Invalid, 1513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 01:00:08,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2024-11-07 01:00:08,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 2635. [2024-11-07 01:00:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2635 states, 2583 states have (on average 1.8087495160665892) internal successors, (4672), 2586 states have internal predecessors, (4672), 37 states have call successors, (37), 12 states have call predecessors, (37), 13 states have return successors, (40), 37 states have call predecessors, (40), 37 states have call successors, (40) [2024-11-07 01:00:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2635 states and 4749 transitions. [2024-11-07 01:00:09,020 INFO L78 Accepts]: Start accepts. Automaton has 2635 states and 4749 transitions. Word has length 123 [2024-11-07 01:00:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:09,020 INFO L471 AbstractCegarLoop]: Abstraction has 2635 states and 4749 transitions. [2024-11-07 01:00:09,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 4749 transitions. [2024-11-07 01:00:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:09,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:09,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:09,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 01:00:09,024 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:09,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:09,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1061945968, now seen corresponding path program 1 times [2024-11-07 01:00:09,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:09,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008564683] [2024-11-07 01:00:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:09,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:09,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:09,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:09,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:09,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:09,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008564683] [2024-11-07 01:00:09,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008564683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:09,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:09,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:09,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149218540] [2024-11-07 01:00:09,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:09,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:09,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:09,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:09,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:09,385 INFO L87 Difference]: Start difference. First operand 2635 states and 4749 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:11,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:11,851 INFO L93 Difference]: Finished difference Result 3657 states and 6363 transitions. [2024-11-07 01:00:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:00:11,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:11,869 INFO L225 Difference]: With dead ends: 3657 [2024-11-07 01:00:11,869 INFO L226 Difference]: Without dead ends: 3158 [2024-11-07 01:00:11,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:00:11,872 INFO L432 NwaCegarLoop]: 4345 mSDtfsCounter, 4964 mSDsluCounter, 17136 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4978 SdHoareTripleChecker+Valid, 21481 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:11,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4978 Valid, 21481 Invalid, 2326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 01:00:11,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2024-11-07 01:00:11,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2872. [2024-11-07 01:00:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2872 states, 2797 states have (on average 1.7865570253843404) internal successors, (4997), 2801 states have internal predecessors, (4997), 53 states have call successors, (53), 18 states have call predecessors, (53), 20 states have return successors, (58), 54 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-07 01:00:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 5108 transitions. [2024-11-07 01:00:12,007 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 5108 transitions. Word has length 123 [2024-11-07 01:00:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:12,007 INFO L471 AbstractCegarLoop]: Abstraction has 2872 states and 5108 transitions. [2024-11-07 01:00:12,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 5108 transitions. [2024-11-07 01:00:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:12,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:12,012 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:12,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 01:00:12,012 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:12,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1843727314, now seen corresponding path program 1 times [2024-11-07 01:00:12,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:12,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147352801] [2024-11-07 01:00:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:12,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:12,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:12,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:12,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:12,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147352801] [2024-11-07 01:00:12,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147352801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:12,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:12,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:12,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644719110] [2024-11-07 01:00:12,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:12,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:12,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:12,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:12,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:12,305 INFO L87 Difference]: Start difference. First operand 2872 states and 5108 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:14,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:14,334 INFO L93 Difference]: Finished difference Result 4547 states and 7746 transitions. [2024-11-07 01:00:14,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:00:14,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:14,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:14,354 INFO L225 Difference]: With dead ends: 4547 [2024-11-07 01:00:14,354 INFO L226 Difference]: Without dead ends: 3811 [2024-11-07 01:00:14,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:00:14,361 INFO L432 NwaCegarLoop]: 4343 mSDtfsCounter, 4962 mSDsluCounter, 17136 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 21479 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:14,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 21479 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 01:00:14,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2024-11-07 01:00:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3347. [2024-11-07 01:00:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3347 states, 3226 states have (on average 1.7507749535027899) internal successors, (5648), 3232 states have internal predecessors, (5648), 85 states have call successors, (85), 30 states have call predecessors, (85), 34 states have return successors, (98), 88 states have call predecessors, (98), 85 states have call successors, (98) [2024-11-07 01:00:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 3347 states and 5831 transitions. [2024-11-07 01:00:14,496 INFO L78 Accepts]: Start accepts. Automaton has 3347 states and 5831 transitions. Word has length 123 [2024-11-07 01:00:14,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:14,496 INFO L471 AbstractCegarLoop]: Abstraction has 3347 states and 5831 transitions. [2024-11-07 01:00:14,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 5831 transitions. [2024-11-07 01:00:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:14,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:14,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:14,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 01:00:14,501 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:14,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash 417845936, now seen corresponding path program 1 times [2024-11-07 01:00:14,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:14,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050468061] [2024-11-07 01:00:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:14,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:14,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:14,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:14,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:14,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:14,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:14,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050468061] [2024-11-07 01:00:14,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050468061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:14,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:14,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886437026] [2024-11-07 01:00:14,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:14,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:14,762 INFO L87 Difference]: Start difference. First operand 3347 states and 5831 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:16,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:16,626 INFO L93 Difference]: Finished difference Result 6262 states and 10397 transitions. [2024-11-07 01:00:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:00:16,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:16,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:16,648 INFO L225 Difference]: With dead ends: 6262 [2024-11-07 01:00:16,648 INFO L226 Difference]: Without dead ends: 5051 [2024-11-07 01:00:16,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:00:16,655 INFO L432 NwaCegarLoop]: 4343 mSDtfsCounter, 4958 mSDsluCounter, 17136 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4972 SdHoareTripleChecker+Valid, 21479 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:16,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4972 Valid, 21479 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 01:00:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5051 states. [2024-11-07 01:00:16,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5051 to 4298. [2024-11-07 01:00:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4298 states, 4085 states have (on average 1.7013463892288863) internal successors, (6950), 4095 states have internal predecessors, (6950), 149 states have call successors, (149), 54 states have call predecessors, (149), 62 states have return successors, (184), 156 states have call predecessors, (184), 149 states have call successors, (184) [2024-11-07 01:00:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 4298 states and 7283 transitions. [2024-11-07 01:00:16,823 INFO L78 Accepts]: Start accepts. Automaton has 4298 states and 7283 transitions. Word has length 123 [2024-11-07 01:00:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:16,824 INFO L471 AbstractCegarLoop]: Abstraction has 4298 states and 7283 transitions. [2024-11-07 01:00:16,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4298 states and 7283 transitions. [2024-11-07 01:00:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:16,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:16,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:16,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 01:00:16,828 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:16,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1448862738, now seen corresponding path program 1 times [2024-11-07 01:00:16,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:16,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790556382] [2024-11-07 01:00:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:16,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:17,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:17,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:17,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790556382] [2024-11-07 01:00:17,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790556382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:17,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:17,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:17,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32936509] [2024-11-07 01:00:17,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:17,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:17,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:17,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:17,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:17,042 INFO L87 Difference]: Start difference. First operand 4298 states and 7283 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:19,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:19,119 INFO L93 Difference]: Finished difference Result 9691 states and 15715 transitions. [2024-11-07 01:00:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:00:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:19,153 INFO L225 Difference]: With dead ends: 9691 [2024-11-07 01:00:19,154 INFO L226 Difference]: Without dead ends: 7529 [2024-11-07 01:00:19,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:00:19,164 INFO L432 NwaCegarLoop]: 4343 mSDtfsCounter, 4954 mSDsluCounter, 17136 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4968 SdHoareTripleChecker+Valid, 21479 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:19,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4968 Valid, 21479 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 01:00:19,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7529 states. [2024-11-07 01:00:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7529 to 6205. [2024-11-07 01:00:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 5808 states have (on average 1.6460055096418733) internal successors, (9560), 5826 states have internal predecessors, (9560), 277 states have call successors, (277), 102 states have call predecessors, (277), 118 states have return successors, (374), 292 states have call predecessors, (374), 277 states have call successors, (374) [2024-11-07 01:00:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 10211 transitions. [2024-11-07 01:00:19,431 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 10211 transitions. Word has length 123 [2024-11-07 01:00:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:19,431 INFO L471 AbstractCegarLoop]: Abstraction has 6205 states and 10211 transitions. [2024-11-07 01:00:19,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 10211 transitions. [2024-11-07 01:00:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:19,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:19,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:19,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 01:00:19,436 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:19,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:19,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1538962160, now seen corresponding path program 1 times [2024-11-07 01:00:19,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:19,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526857375] [2024-11-07 01:00:19,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:19,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:19,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:19,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:19,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:19,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:19,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:19,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526857375] [2024-11-07 01:00:19,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526857375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:19,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:19,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:19,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848081737] [2024-11-07 01:00:19,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:19,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:19,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:19,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:19,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:19,687 INFO L87 Difference]: Start difference. First operand 6205 states and 10211 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:22,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:22,006 INFO L93 Difference]: Finished difference Result 16548 states and 26409 transitions. [2024-11-07 01:00:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:00:22,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:22,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:22,055 INFO L225 Difference]: With dead ends: 16548 [2024-11-07 01:00:22,055 INFO L226 Difference]: Without dead ends: 12479 [2024-11-07 01:00:22,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:00:22,073 INFO L432 NwaCegarLoop]: 4343 mSDtfsCounter, 4956 mSDsluCounter, 17136 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4970 SdHoareTripleChecker+Valid, 21479 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:22,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4970 Valid, 21479 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 01:00:22,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12479 states. [2024-11-07 01:00:22,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12479 to 10032. [2024-11-07 01:00:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 9267 states have (on average 1.5968490342074027) internal successors, (14798), 9301 states have internal predecessors, (14798), 533 states have call successors, (533), 198 states have call predecessors, (533), 230 states have return successors, (808), 564 states have call predecessors, (808), 533 states have call successors, (808) [2024-11-07 01:00:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 16139 transitions. [2024-11-07 01:00:22,632 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 16139 transitions. Word has length 123 [2024-11-07 01:00:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:22,632 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 16139 transitions. [2024-11-07 01:00:22,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 16139 transitions. [2024-11-07 01:00:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:22,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:22,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:22,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 01:00:22,643 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:22,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:22,644 INFO L85 PathProgramCache]: Analyzing trace with hash -858508370, now seen corresponding path program 1 times [2024-11-07 01:00:22,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:22,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397477201] [2024-11-07 01:00:22,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:22,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:22,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:22,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397477201] [2024-11-07 01:00:22,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397477201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:22,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:22,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:22,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899910368] [2024-11-07 01:00:22,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:22,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:22,825 INFO L87 Difference]: Start difference. First operand 10032 states and 16139 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:24,556 INFO L93 Difference]: Finished difference Result 20470 states and 32732 transitions. [2024-11-07 01:00:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:00:24,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:24,603 INFO L225 Difference]: With dead ends: 20470 [2024-11-07 01:00:24,603 INFO L226 Difference]: Without dead ends: 12574 [2024-11-07 01:00:24,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:00:24,628 INFO L432 NwaCegarLoop]: 4164 mSDtfsCounter, 4697 mSDsluCounter, 16475 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 20639 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:24,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4712 Valid, 20639 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 01:00:24,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12574 states. [2024-11-07 01:00:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12574 to 10032. [2024-11-07 01:00:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 9267 states have (on average 1.593288011222618) internal successors, (14765), 9301 states have internal predecessors, (14765), 533 states have call successors, (533), 198 states have call predecessors, (533), 230 states have return successors, (808), 564 states have call predecessors, (808), 533 states have call successors, (808) [2024-11-07 01:00:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 16106 transitions. [2024-11-07 01:00:25,066 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 16106 transitions. Word has length 123 [2024-11-07 01:00:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:25,066 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 16106 transitions. [2024-11-07 01:00:25,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 16106 transitions. [2024-11-07 01:00:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:25,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:25,073 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:25,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 01:00:25,074 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:25,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:25,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1530055660, now seen corresponding path program 1 times [2024-11-07 01:00:25,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:25,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732751083] [2024-11-07 01:00:25,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:25,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:25,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:25,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:25,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:25,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:25,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:25,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732751083] [2024-11-07 01:00:25,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732751083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:25,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:25,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:25,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711071737] [2024-11-07 01:00:25,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:25,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:25,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:25,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:25,337 INFO L87 Difference]: Start difference. First operand 10032 states and 16106 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:28,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:28,152 INFO L93 Difference]: Finished difference Result 33620 states and 52881 transitions. [2024-11-07 01:00:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 01:00:28,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:28,258 INFO L225 Difference]: With dead ends: 33620 [2024-11-07 01:00:28,258 INFO L226 Difference]: Without dead ends: 25724 [2024-11-07 01:00:28,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:00:28,291 INFO L432 NwaCegarLoop]: 4341 mSDtfsCounter, 5236 mSDsluCounter, 17128 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5258 SdHoareTripleChecker+Valid, 21469 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:28,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5258 Valid, 21469 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 01:00:28,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25724 states. [2024-11-07 01:00:29,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25724 to 17685. [2024-11-07 01:00:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17685 states, 16216 states have (on average 1.5593857918105574) internal successors, (25287), 16282 states have internal predecessors, (25287), 1013 states have call successors, (1013), 390 states have call predecessors, (1013), 454 states have return successors, (1806), 1076 states have call predecessors, (1806), 1013 states have call successors, (1806) [2024-11-07 01:00:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17685 states to 17685 states and 28106 transitions. [2024-11-07 01:00:29,558 INFO L78 Accepts]: Start accepts. Automaton has 17685 states and 28106 transitions. Word has length 123 [2024-11-07 01:00:29,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:29,558 INFO L471 AbstractCegarLoop]: Abstraction has 17685 states and 28106 transitions. [2024-11-07 01:00:29,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 17685 states and 28106 transitions. [2024-11-07 01:00:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:29,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:29,570 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:29,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 01:00:29,570 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:29,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:29,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1163840530, now seen corresponding path program 1 times [2024-11-07 01:00:29,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:29,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992813696] [2024-11-07 01:00:29,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:29,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:29,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:29,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:29,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:29,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992813696] [2024-11-07 01:00:29,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992813696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:29,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:29,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:29,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059003071] [2024-11-07 01:00:29,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:29,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:29,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:29,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:29,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:29,758 INFO L87 Difference]: Start difference. First operand 17685 states and 28106 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:33,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:33,371 INFO L93 Difference]: Finished difference Result 63419 states and 100039 transitions. [2024-11-07 01:00:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 01:00:33,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:33,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:33,532 INFO L225 Difference]: With dead ends: 63419 [2024-11-07 01:00:33,532 INFO L226 Difference]: Without dead ends: 47870 [2024-11-07 01:00:33,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:00:33,590 INFO L432 NwaCegarLoop]: 4340 mSDtfsCounter, 5006 mSDsluCounter, 17125 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5019 SdHoareTripleChecker+Valid, 21465 SdHoareTripleChecker+Invalid, 2652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:33,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5019 Valid, 21465 Invalid, 2652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 01:00:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47870 states. [2024-11-07 01:00:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47870 to 32634. [2024-11-07 01:00:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32634 states, 29789 states have (on average 1.538856624928665) internal successors, (45841), 29919 states have internal predecessors, (45841), 1941 states have call successors, (1941), 774 states have call predecessors, (1941), 902 states have return successors, (4256), 2068 states have call predecessors, (4256), 1941 states have call successors, (4256) [2024-11-07 01:00:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32634 states to 32634 states and 52038 transitions. [2024-11-07 01:00:35,666 INFO L78 Accepts]: Start accepts. Automaton has 32634 states and 52038 transitions. Word has length 123 [2024-11-07 01:00:35,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:35,667 INFO L471 AbstractCegarLoop]: Abstraction has 32634 states and 52038 transitions. [2024-11-07 01:00:35,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32634 states and 52038 transitions. [2024-11-07 01:00:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:35,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:35,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:35,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 01:00:35,691 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:35,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2074395564, now seen corresponding path program 1 times [2024-11-07 01:00:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820695501] [2024-11-07 01:00:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:35,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:35,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820695501] [2024-11-07 01:00:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820695501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:35,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:35,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:35,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226036613] [2024-11-07 01:00:35,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:35,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:35,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:35,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:35,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:35,908 INFO L87 Difference]: Start difference. First operand 32634 states and 52038 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:41,062 INFO L93 Difference]: Finished difference Result 120870 states and 192805 transitions. [2024-11-07 01:00:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 01:00:41,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:41,410 INFO L225 Difference]: With dead ends: 120870 [2024-11-07 01:00:41,410 INFO L226 Difference]: Without dead ends: 90372 [2024-11-07 01:00:41,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:00:41,519 INFO L432 NwaCegarLoop]: 4341 mSDtfsCounter, 5156 mSDsluCounter, 17128 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5178 SdHoareTripleChecker+Valid, 21469 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:41,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5178 Valid, 21469 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 01:00:41,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90372 states. [2024-11-07 01:00:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90372 to 62787. [2024-11-07 01:00:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62787 states, 57254 states have (on average 1.5286792189192022) internal successors, (87523), 57512 states have internal predecessors, (87523), 3733 states have call successors, (3733), 1542 states have call predecessors, (3733), 1798 states have return successors, (10550), 3988 states have call predecessors, (10550), 3733 states have call successors, (10550) [2024-11-07 01:00:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62787 states to 62787 states and 101806 transitions. [2024-11-07 01:00:46,259 INFO L78 Accepts]: Start accepts. Automaton has 62787 states and 101806 transitions. Word has length 123 [2024-11-07 01:00:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:00:46,260 INFO L471 AbstractCegarLoop]: Abstraction has 62787 states and 101806 transitions. [2024-11-07 01:00:46,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 62787 states and 101806 transitions. [2024-11-07 01:00:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 01:00:46,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:00:46,305 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:46,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 01:00:46,306 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:00:46,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:00:46,306 INFO L85 PathProgramCache]: Analyzing trace with hash -869186514, now seen corresponding path program 1 times [2024-11-07 01:00:46,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:00:46,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657354314] [2024-11-07 01:00:46,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:00:46,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:00:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:00:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:46,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:00:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:46,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 01:00:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:00:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:46,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 01:00:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:00:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:00:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:00:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657354314] [2024-11-07 01:00:46,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657354314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:00:46,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:00:46,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:00:46,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485567890] [2024-11-07 01:00:46,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:00:46,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:00:46,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:00:46,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:00:46,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:00:46,500 INFO L87 Difference]: Start difference. First operand 62787 states and 101806 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:00:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:00:55,028 INFO L93 Difference]: Finished difference Result 234237 states and 381803 transitions. [2024-11-07 01:00:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 01:00:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 123 [2024-11-07 01:00:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:00:55,875 INFO L225 Difference]: With dead ends: 234237 [2024-11-07 01:00:55,875 INFO L226 Difference]: Without dead ends: 173586 [2024-11-07 01:00:56,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:00:56,129 INFO L432 NwaCegarLoop]: 4341 mSDtfsCounter, 5116 mSDsluCounter, 17128 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5138 SdHoareTripleChecker+Valid, 21469 SdHoareTripleChecker+Invalid, 2196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:00:56,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5138 Valid, 21469 Invalid, 2196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 01:00:56,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173586 states.