./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.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/seq-mthreaded/rekcba_nxt.1.M1-1.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', 'f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e'] 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/seq-mthreaded/rekcba_nxt.1.M1-1.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 f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:12:52,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:12:52,268 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:12:52,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:12:52,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:12:52,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:12:52,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:12:52,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:12:52,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:12:52,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:12:52,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:12:52,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:12:52,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:12:52,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:12:52,314 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:12:52,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:12:52,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:12:52,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:12:52,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:12:52,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:12:52,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:12:52,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:12:52,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:12:52,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:12:52,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:12:52,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:12:52,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:12:52,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:12:52,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:12:52,317 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 -> f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e [2024-11-07 00:12:52,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:12:52,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:12:52,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:12:52,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:12:52,628 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:12:52,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2024-11-07 00:12:54,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:12:54,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:12:54,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2024-11-07 00:12:54,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f30e47b79/ea3bb0d656134639b9d391f6de673670/FLAG17c747c10 [2024-11-07 00:12:54,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f30e47b79/ea3bb0d656134639b9d391f6de673670 [2024-11-07 00:12:54,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:12:54,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:12:54,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:12:54,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:12:54,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:12:54,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:12:54" (1/1) ... [2024-11-07 00:12:54,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777674ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:54, skipping insertion in model container [2024-11-07 00:12:54,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:12:54" (1/1) ... [2024-11-07 00:12:54,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:12:54,686 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/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2024-11-07 00:12:54,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:12:55,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:12:55,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] [2024-11-07 00:12:55,036 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/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2024-11-07 00:12:55,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:12:55,262 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:12:55,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55 WrapperNode [2024-11-07 00:12:55,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:12:55,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:12:55,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:12:55,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:12:55,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,624 INFO L138 Inliner]: procedures = 57, calls = 1828, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3995 [2024-11-07 00:12:55,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:12:55,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:12:55,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:12:55,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:12:55,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,775 INFO L175 MemorySlicer]: Split 1382 memory accesses to 17 slices as follows [2, 2, 264, 305, 156, 113, 79, 57, 83, 105, 8, 82, 105, 8, 7, 2, 4]. 22 percent of accesses are in the largest equivalence class. The 166 initializations are split as follows [2, 0, 24, 24, 2, 2, 1, 1, 27, 27, 0, 27, 27, 0, 2, 0, 0]. The 175 writes are split as follows [0, 1, 24, 24, 2, 2, 1, 1, 28, 26, 4, 28, 26, 4, 3, 1, 0]. [2024-11-07 00:12:55,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:12:55,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:12:55,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:12:55,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:12:55,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (1/1) ... [2024-11-07 00:12:55,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:12:56,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:12:56,027 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 00:12:56,032 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 00:12:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:12:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-07 00:12:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-07 00:12:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-07 00:12:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-07 00:12:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 00:12:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-07 00:12:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-07 00:12:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-07 00:12:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-07 00:12:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 00:12:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-07 00:12:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-07 00:12:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-07 00:12:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-07 00:12:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-07 00:12:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 00:12:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 00:12:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 00:12:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 00:12:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 00:12:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 00:12:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-07 00:12:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-07 00:12:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 00:12:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 00:12:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 00:12:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:12:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-07 00:12:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-07 00:12:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-07 00:12:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-07 00:12:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-07 00:12:56,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:12:56,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:13:02,448 INFO L? ?]: Removed 193 outVars from TransFormulas that were not future-live. [2024-11-07 00:13:02,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:13:02,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:13:02,494 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 00:13:02,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:13:02 BoogieIcfgContainer [2024-11-07 00:13:02,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:13:02,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:13:02,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:13:02,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:13:02,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:12:54" (1/3) ... [2024-11-07 00:13:02,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508cf032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:13:02, skipping insertion in model container [2024-11-07 00:13:02,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:12:55" (2/3) ... [2024-11-07 00:13:02,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508cf032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:13:02, skipping insertion in model container [2024-11-07 00:13:02,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:13:02" (3/3) ... [2024-11-07 00:13:02,507 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-1.c [2024-11-07 00:13:02,521 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:13:02,521 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:13:02,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:13:02,634 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;@7c1934ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:13:02,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:13:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 1138 states, 729 states have (on average 1.289437585733882) internal successors, (940), 761 states have internal predecessors, (940), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-07 00:13:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-07 00:13:02,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:13:02,727 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:02,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:13:02,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:13:02,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1494844215, now seen corresponding path program 1 times [2024-11-07 00:13:02,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:13:02,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791088155] [2024-11-07 00:13:02,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:13:02,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:13:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:13:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 00:13:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 00:13:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 00:13:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 00:13:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:13:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 00:13:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 00:13:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 00:13:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 00:13:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 00:13:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 00:13:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 00:13:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 00:13:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 00:13:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 00:13:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 00:13:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 00:13:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 00:13:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 00:13:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 00:13:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 00:13:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 00:13:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 00:13:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 00:13:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 00:13:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 00:13:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 00:13:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 00:13:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 00:13:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 00:13:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:13:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 00:13:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-11-07 00:13:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-11-07 00:13:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2024-11-07 00:13:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-11-07 00:13:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2024-11-07 00:13:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2024-11-07 00:13:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2024-11-07 00:13:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2024-11-07 00:13:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-11-07 00:13:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-07 00:13:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2024-11-07 00:13:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-11-07 00:13:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2024-11-07 00:13:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2024-11-07 00:13:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-11-07 00:13:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-07 00:13:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-07 00:13:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-07 00:13:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-07 00:13:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-07 00:13:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-07 00:13:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-07 00:13:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-07 00:13:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-07 00:13:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-07 00:13:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-07 00:13:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-07 00:13:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-07 00:13:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-07 00:13:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-07 00:13:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-07 00:13:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-07 00:13:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2024-11-07 00:13:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-07 00:13:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2024-11-07 00:13:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-07 00:13:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-07 00:13:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2024-11-07 00:13:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2024-11-07 00:13:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-11-07 00:13:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2024-11-07 00:13:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2024-11-07 00:13:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-11-07 00:13:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2024-11-07 00:13:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2024-11-07 00:13:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-11-07 00:13:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2024-11-07 00:13:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2024-11-07 00:13:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2024-11-07 00:13:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2024-11-07 00:13:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 00:13:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2024-11-07 00:13:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2024-11-07 00:13:04,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:13:04,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791088155] [2024-11-07 00:13:04,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791088155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:13:04,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:13:04,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 00:13:04,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467434897] [2024-11-07 00:13:04,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:13:04,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 00:13:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:13:04,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 00:13:04,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 00:13:04,539 INFO L87 Difference]: Start difference. First operand has 1138 states, 729 states have (on average 1.289437585733882) internal successors, (940), 761 states have internal predecessors, (940), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) Second operand has 2 states, 2 states have (on average 150.0) internal successors, (300), 2 states have internal predecessors, (300), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2024-11-07 00:13:04,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:13:04,699 INFO L93 Difference]: Finished difference Result 2271 states and 3818 transitions. [2024-11-07 00:13:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 00:13:04,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 150.0) internal successors, (300), 2 states have internal predecessors, (300), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) Word has length 722 [2024-11-07 00:13:04,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:13:04,732 INFO L225 Difference]: With dead ends: 2271 [2024-11-07 00:13:04,732 INFO L226 Difference]: Without dead ends: 1132 [2024-11-07 00:13:04,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 00:13:04,750 INFO L432 NwaCegarLoop]: 1721 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:13:04,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:13:04,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-07 00:13:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1132. [2024-11-07 00:13:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 724 states have (on average 1.2845303867403315) internal successors, (930), 755 states have internal predecessors, (930), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-07 00:13:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1714 transitions. [2024-11-07 00:13:04,997 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1714 transitions. Word has length 722 [2024-11-07 00:13:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:13:04,998 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1714 transitions. [2024-11-07 00:13:05,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 150.0) internal successors, (300), 2 states have internal predecessors, (300), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2024-11-07 00:13:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1714 transitions. [2024-11-07 00:13:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-07 00:13:05,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:13:05,032 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:05,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:13:05,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:13:05,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:13:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash 504305693, now seen corresponding path program 1 times [2024-11-07 00:13:05,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:13:05,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794897626] [2024-11-07 00:13:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:13:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:13:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:13:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 00:13:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 00:13:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 00:13:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 00:13:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:13:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 00:13:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 00:13:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 00:13:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 00:13:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 00:13:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 00:13:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 00:13:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 00:13:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 00:13:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 00:13:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 00:13:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 00:13:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 00:13:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 00:13:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 00:13:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 00:13:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 00:13:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 00:13:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 00:13:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 00:13:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 00:13:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 00:13:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 00:13:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 00:13:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 00:13:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:13:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 00:13:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-11-07 00:13:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-11-07 00:13:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2024-11-07 00:13:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-11-07 00:13:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2024-11-07 00:13:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2024-11-07 00:13:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2024-11-07 00:13:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2024-11-07 00:13:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-11-07 00:13:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-07 00:13:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2024-11-07 00:13:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-11-07 00:13:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2024-11-07 00:13:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2024-11-07 00:13:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-11-07 00:13:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-07 00:13:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-07 00:13:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-07 00:13:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-07 00:13:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-07 00:13:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-07 00:13:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-07 00:13:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-07 00:13:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-07 00:13:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-07 00:13:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-07 00:13:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-07 00:13:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-07 00:13:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-07 00:13:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-07 00:13:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-07 00:13:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-07 00:13:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2024-11-07 00:13:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-07 00:13:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2024-11-07 00:13:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-07 00:13:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-07 00:13:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2024-11-07 00:13:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2024-11-07 00:13:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-11-07 00:13:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2024-11-07 00:13:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2024-11-07 00:13:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-11-07 00:13:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2024-11-07 00:13:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2024-11-07 00:13:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-11-07 00:13:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2024-11-07 00:13:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2024-11-07 00:13:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2024-11-07 00:13:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2024-11-07 00:13:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 00:13:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2024-11-07 00:13:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 696 refuted. 0 times theorem prover too weak. 13542 trivial. 0 not checked. [2024-11-07 00:13:30,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:13:30,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794897626] [2024-11-07 00:13:30,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794897626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:13:30,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454747040] [2024-11-07 00:13:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:13:30,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:13:30,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:13:30,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:13:30,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 00:13:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:13:33,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 2560 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 00:13:33,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:13:33,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 15 [2024-11-07 00:13:36,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-07 00:13:36,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-07 00:13:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 7782 proven. 69 refuted. 0 times theorem prover too weak. 6429 trivial. 0 not checked. [2024-11-07 00:13:36,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:13:38,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-07 00:13:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 27 proven. 225 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-07 00:13:38,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454747040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:13:38,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:13:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 9] total 32 [2024-11-07 00:13:38,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408679452] [2024-11-07 00:13:38,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:13:38,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-07 00:13:38,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:13:38,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-07 00:13:38,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2024-11-07 00:13:38,294 INFO L87 Difference]: Start difference. First operand 1132 states and 1714 transitions. Second operand has 32 states, 25 states have (on average 31.56) internal successors, (789), 30 states have internal predecessors, (789), 16 states have call successors, (203), 5 states have call predecessors, (203), 8 states have return successors, (203), 12 states have call predecessors, (203), 16 states have call successors, (203) [2024-11-07 00:13:42,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []