./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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', '64bit', '--witnessprinter.graph.data.programhash', 'e817fb98348cbf28cf2f7306ab8e5474f0fff97eb82d7f51db8f9a3623a00e59'] 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/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash e817fb98348cbf28cf2f7306ab8e5474f0fff97eb82d7f51db8f9a3623a00e59 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 03:16:32,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 03:16:32,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 03:16:32,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 03:16:32,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 03:16:32,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 03:16:32,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 03:16:32,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 03:16:32,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 03:16:32,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 03:16:32,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 03:16:32,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 03:16:32,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 03:16:32,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 03:16:32,525 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 03:16:32,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 03:16:32,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 03:16:32,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 03:16:32,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 03:16:32,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 03:16:32,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 03:16:32,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 03:16:32,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 03:16:32,528 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e817fb98348cbf28cf2f7306ab8e5474f0fff97eb82d7f51db8f9a3623a00e59 [2024-11-07 03:16:32,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 03:16:32,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 03:16:32,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 03:16:32,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 03:16:32,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 03:16:32,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c [2024-11-07 03:16:34,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 03:16:34,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 03:16:34,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c [2024-11-07 03:16:34,583 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9903501/fac52a28ac4e41b5a50edc5236c00aab/FLAG569307672 [2024-11-07 03:16:34,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9903501/fac52a28ac4e41b5a50edc5236c00aab [2024-11-07 03:16:34,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 03:16:34,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 03:16:34,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 03:16:34,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 03:16:34,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 03:16:34,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:16:34" (1/1) ... [2024-11-07 03:16:34,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d764ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:34, skipping insertion in model container [2024-11-07 03:16:34,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:16:34" (1/1) ... [2024-11-07 03:16:34,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 03:16:34,916 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/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c[1174,1187] [2024-11-07 03:16:35,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 03:16:35,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 03:16:35,581 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/hardware-verification-bv/btor2c-lazyMod.needham.4.prop2-func-interl.c[1174,1187] [2024-11-07 03:16:36,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 03:16:36,052 INFO L204 MainTranslator]: Completed translation [2024-11-07 03:16:36,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36 WrapperNode [2024-11-07 03:16:36,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 03:16:36,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 03:16:36,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 03:16:36,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 03:16:36,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:36,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:38,528 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27011 [2024-11-07 03:16:38,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 03:16:38,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 03:16:38,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 03:16:38,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 03:16:38,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:38,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:39,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:39,891 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 03:16:39,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:39,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:40,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:40,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:40,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:40,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:41,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 03:16:41,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 03:16:41,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 03:16:41,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 03:16:41,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (1/1) ... [2024-11-07 03:16:41,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 03:16:41,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 03:16:41,316 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 03:16:41,324 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 03:16:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 03:16:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 03:16:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 03:16:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 03:16:42,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 03:16:42,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 03:17:51,408 INFO L? ?]: Removed 14591 outVars from TransFormulas that were not future-live. [2024-11-07 03:17:51,411 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 03:17:51,551 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 03:17:51,551 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 03:17:51,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:17:51 BoogieIcfgContainer [2024-11-07 03:17:51,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 03:17:51,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 03:17:51,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 03:17:51,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 03:17:51,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:16:34" (1/3) ... [2024-11-07 03:17:51,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2063ce81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:17:51, skipping insertion in model container [2024-11-07 03:17:51,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:16:36" (2/3) ... [2024-11-07 03:17:51,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2063ce81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:17:51, skipping insertion in model container [2024-11-07 03:17:51,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:17:51" (3/3) ... [2024-11-07 03:17:51,562 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.4.prop2-func-interl.c [2024-11-07 03:17:51,572 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 03:17:51,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 03:17:51,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 03:17:51,750 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;@24f60b0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 03:17:51,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 03:17:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 9842 states, 9840 states have (on average 1.5035569105691058) internal successors, (14795), 9841 states have internal predecessors, (14795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-07 03:17:51,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:17:51,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:51,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:17:51,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:17:51,808 INFO L85 PathProgramCache]: Analyzing trace with hash 360624852, now seen corresponding path program 1 times [2024-11-07 03:17:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:17:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290428478] [2024-11-07 03:17:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:17:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:17:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:17:53,349 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 03:17:53,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:17:53,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290428478] [2024-11-07 03:17:53,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290428478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:17:53,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:17:53,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 03:17:53,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40580622] [2024-11-07 03:17:53,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:17:53,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 03:17:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:17:53,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 03:17:53,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:17:53,396 INFO L87 Difference]: Start difference. First operand has 9842 states, 9840 states have (on average 1.5035569105691058) internal successors, (14795), 9841 states have internal predecessors, (14795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:53,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:17:53,841 INFO L93 Difference]: Finished difference Result 19405 states and 29175 transitions. [2024-11-07 03:17:53,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 03:17:53,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 399 [2024-11-07 03:17:53,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:17:53,887 INFO L225 Difference]: With dead ends: 19405 [2024-11-07 03:17:53,888 INFO L226 Difference]: Without dead ends: 9841 [2024-11-07 03:17:53,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:17:53,907 INFO L432 NwaCegarLoop]: 14789 mSDtfsCounter, 0 mSDsluCounter, 29572 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44361 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:17:53,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44361 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:17:53,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9841 states. [2024-11-07 03:17:54,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9841 to 9841. [2024-11-07 03:17:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9841 states, 9840 states have (on average 1.5033536585365854) internal successors, (14793), 9840 states have internal predecessors, (14793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9841 states to 9841 states and 14793 transitions. [2024-11-07 03:17:54,139 INFO L78 Accepts]: Start accepts. Automaton has 9841 states and 14793 transitions. Word has length 399 [2024-11-07 03:17:54,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:17:54,140 INFO L471 AbstractCegarLoop]: Abstraction has 9841 states and 14793 transitions. [2024-11-07 03:17:54,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9841 states and 14793 transitions. [2024-11-07 03:17:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-11-07 03:17:54,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:17:54,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:54,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 03:17:54,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:17:54,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:17:54,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1703833762, now seen corresponding path program 1 times [2024-11-07 03:17:54,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:17:54,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856341050] [2024-11-07 03:17:54,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:17:54,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:17:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:17:54,716 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 03:17:54,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:17:54,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856341050] [2024-11-07 03:17:54,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856341050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:17:54,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:17:54,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 03:17:54,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605059211] [2024-11-07 03:17:54,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:17:54,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 03:17:54,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:17:54,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 03:17:54,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:17:54,724 INFO L87 Difference]: Start difference. First operand 9841 states and 14793 transitions. Second operand has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:54,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:17:54,952 INFO L93 Difference]: Finished difference Result 19406 states and 29173 transitions. [2024-11-07 03:17:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 03:17:54,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 400 [2024-11-07 03:17:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:17:54,984 INFO L225 Difference]: With dead ends: 19406 [2024-11-07 03:17:54,984 INFO L226 Difference]: Without dead ends: 9843 [2024-11-07 03:17:54,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:17:54,999 INFO L432 NwaCegarLoop]: 14789 mSDtfsCounter, 0 mSDsluCounter, 29568 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44357 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:17:54,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44357 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:17:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9843 states. [2024-11-07 03:17:55,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9843 to 9843. [2024-11-07 03:17:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9843 states, 9842 states have (on average 1.5032513716724243) internal successors, (14795), 9842 states have internal predecessors, (14795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:55,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9843 states to 9843 states and 14795 transitions. [2024-11-07 03:17:55,170 INFO L78 Accepts]: Start accepts. Automaton has 9843 states and 14795 transitions. Word has length 400 [2024-11-07 03:17:55,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:17:55,171 INFO L471 AbstractCegarLoop]: Abstraction has 9843 states and 14795 transitions. [2024-11-07 03:17:55,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 9843 states and 14795 transitions. [2024-11-07 03:17:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-07 03:17:55,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:17:55,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:55,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 03:17:55,178 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:17:55,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:17:55,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1917764845, now seen corresponding path program 1 times [2024-11-07 03:17:55,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:17:55,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837825760] [2024-11-07 03:17:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:17:55,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:17:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:17:55,869 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 03:17:55,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:17:55,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837825760] [2024-11-07 03:17:55,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837825760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:17:55,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:17:55,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 03:17:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510920071] [2024-11-07 03:17:55,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:17:55,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 03:17:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:17:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 03:17:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:17:55,871 INFO L87 Difference]: Start difference. First operand 9843 states and 14795 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:56,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:17:56,085 INFO L93 Difference]: Finished difference Result 19410 states and 29177 transitions. [2024-11-07 03:17:56,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 03:17:56,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2024-11-07 03:17:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:17:56,118 INFO L225 Difference]: With dead ends: 19410 [2024-11-07 03:17:56,118 INFO L226 Difference]: Without dead ends: 9845 [2024-11-07 03:17:56,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:17:56,134 INFO L432 NwaCegarLoop]: 14789 mSDtfsCounter, 0 mSDsluCounter, 29562 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44351 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:17:56,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44351 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:17:56,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9845 states. [2024-11-07 03:17:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 9845. [2024-11-07 03:17:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9845 states, 9844 states have (on average 1.5031491263713936) internal successors, (14797), 9844 states have internal predecessors, (14797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 14797 transitions. [2024-11-07 03:17:56,291 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 14797 transitions. Word has length 401 [2024-11-07 03:17:56,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:17:56,293 INFO L471 AbstractCegarLoop]: Abstraction has 9845 states and 14797 transitions. [2024-11-07 03:17:56,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:17:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 14797 transitions. [2024-11-07 03:17:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-11-07 03:17:56,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:17:56,300 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:56,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 03:17:56,300 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:17:56,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:17:56,301 INFO L85 PathProgramCache]: Analyzing trace with hash 230057413, now seen corresponding path program 1 times [2024-11-07 03:17:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:17:56,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433351332] [2024-11-07 03:17:56,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:17:56,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:17:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:17:56,948 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 03:17:56,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:17:56,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433351332] [2024-11-07 03:17:56,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433351332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:17:56,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:17:56,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:17:56,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121506750] [2024-11-07 03:17:56,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:17:56,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:17:56,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:17:56,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:17:56,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:17:56,952 INFO L87 Difference]: Start difference. First operand 9845 states and 14797 transitions. Second operand has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:18:04,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:18:04,309 INFO L93 Difference]: Finished difference Result 28965 states and 43539 transitions. [2024-11-07 03:18:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:18:04,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 402 [2024-11-07 03:18:04,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:18:04,370 INFO L225 Difference]: With dead ends: 28965 [2024-11-07 03:18:04,370 INFO L226 Difference]: Without dead ends: 19398 [2024-11-07 03:18:04,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:18:04,407 INFO L432 NwaCegarLoop]: 11655 mSDtfsCounter, 14381 mSDsluCounter, 34745 mSDsCounter, 0 mSdLazyCounter, 12349 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14381 SdHoareTripleChecker+Valid, 46400 SdHoareTripleChecker+Invalid, 12350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:18:04,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14381 Valid, 46400 Invalid, 12350 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12349 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-07 03:18:04,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19398 states. [2024-11-07 03:18:04,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19398 to 10348. [2024-11-07 03:18:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10348 states, 10347 states have (on average 1.5028510679423988) internal successors, (15550), 10347 states have internal predecessors, (15550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:18:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10348 states to 10348 states and 15550 transitions. [2024-11-07 03:18:04,740 INFO L78 Accepts]: Start accepts. Automaton has 10348 states and 15550 transitions. Word has length 402 [2024-11-07 03:18:04,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:18:04,741 INFO L471 AbstractCegarLoop]: Abstraction has 10348 states and 15550 transitions. [2024-11-07 03:18:04,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 03:18:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 10348 states and 15550 transitions. [2024-11-07 03:18:04,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2024-11-07 03:18:04,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:18:04,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:04,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 03:18:04,746 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:18:04,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:18:04,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1138805942, now seen corresponding path program 1 times [2024-11-07 03:18:04,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:18:04,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18168444] [2024-11-07 03:18:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:18:04,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:18:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat