./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-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.collision.6.prop1-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', 'cd4a8cc0ccea0920efcf536a2fa66d50a0c7659b5900e2d2e0c968b58f72c65a'] 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.collision.6.prop1-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 cd4a8cc0ccea0920efcf536a2fa66d50a0c7659b5900e2d2e0c968b58f72c65a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 02:43:32,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 02:43:32,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 02:43:32,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 02:43:32,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 02:43:32,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 02:43:32,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 02:43:32,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 02:43:32,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 02:43:32,194 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 02:43:32,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 02:43:32,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 02:43:32,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 02:43:32,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 02:43:32,195 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 02:43:32,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 02:43:32,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 02:43:32,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 02:43:32,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:43:32,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 02:43:32,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 02:43:32,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 02:43:32,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 02:43:32,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 02:43:32,198 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 -> cd4a8cc0ccea0920efcf536a2fa66d50a0c7659b5900e2d2e0c968b58f72c65a [2024-11-07 02:43:32,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 02:43:32,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 02:43:32,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 02:43:32,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 02:43:32,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 02:43:32,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-func-interl.c [2024-11-07 02:43:33,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 02:43:34,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 02:43:34,329 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-func-interl.c [2024-11-07 02:43:34,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/947d2cfaa/b5313de7b6f94756a5366d0537bbb20d/FLAG1d3eb2034 [2024-11-07 02:43:34,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/947d2cfaa/b5313de7b6f94756a5366d0537bbb20d [2024-11-07 02:43:34,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 02:43:34,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 02:43:34,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 02:43:34,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 02:43:34,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 02:43:34,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:43:34" (1/1) ... [2024-11-07 02:43:34,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6096268b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:34, skipping insertion in model container [2024-11-07 02:43:34,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:43:34" (1/1) ... [2024-11-07 02:43:34,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 02:43:34,695 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.collision.6.prop1-func-interl.c[1176,1189] [2024-11-07 02:43:35,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:43:35,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 02:43:35,319 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.collision.6.prop1-func-interl.c[1176,1189] [2024-11-07 02:43:35,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:43:35,669 INFO L204 MainTranslator]: Completed translation [2024-11-07 02:43:35,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35 WrapperNode [2024-11-07 02:43:35,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 02:43:35,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 02:43:35,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 02:43:35,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 02:43:35,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:35,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:37,532 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15052 [2024-11-07 02:43:37,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 02:43:37,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 02:43:37,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 02:43:37,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 02:43:37,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:37,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:38,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:38,271 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 02:43:38,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:38,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:38,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:38,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:38,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:39,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:39,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 02:43:39,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 02:43:39,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 02:43:39,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 02:43:39,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (1/1) ... [2024-11-07 02:43:39,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:43:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 02:43:39,343 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 02:43:39,350 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 02:43:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 02:43:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 02:43:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 02:43:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 02:43:40,097 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 02:43:40,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 02:44:04,285 INFO L? ?]: Removed 7966 outVars from TransFormulas that were not future-live. [2024-11-07 02:44:04,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 02:44:04,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 02:44:04,396 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 02:44:04,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:44:04 BoogieIcfgContainer [2024-11-07 02:44:04,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 02:44:04,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 02:44:04,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 02:44:04,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 02:44:04,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:43:34" (1/3) ... [2024-11-07 02:44:04,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a7ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:44:04, skipping insertion in model container [2024-11-07 02:44:04,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:35" (2/3) ... [2024-11-07 02:44:04,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a7ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:44:04, skipping insertion in model container [2024-11-07 02:44:04,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:44:04" (3/3) ... [2024-11-07 02:44:04,408 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.collision.6.prop1-func-interl.c [2024-11-07 02:44:04,423 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 02:44:04,424 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 02:44:04,587 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 02:44:04,600 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;@152e33d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 02:44:04,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 02:44:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 5517 states, 5515 states have (on average 1.5049864007252947) internal successors, (8300), 5516 states have internal predecessors, (8300), 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 02:44:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-07 02:44:04,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:04,651 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] [2024-11-07 02:44:04,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:04,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:04,658 INFO L85 PathProgramCache]: Analyzing trace with hash 319038954, now seen corresponding path program 1 times [2024-11-07 02:44:04,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:04,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490888016] [2024-11-07 02:44:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:04,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:05,891 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 02:44:05,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:05,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490888016] [2024-11-07 02:44:05,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490888016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:05,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:05,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:44:05,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755052463] [2024-11-07 02:44:05,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:05,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:44:05,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:05,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:44:05,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:44:05,938 INFO L87 Difference]: Start difference. First operand has 5517 states, 5515 states have (on average 1.5049864007252947) internal successors, (8300), 5516 states have internal predecessors, (8300), 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 49.75) internal successors, (199), 4 states have internal predecessors, (199), 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 02:44:06,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:06,279 INFO L93 Difference]: Finished difference Result 10827 states and 16293 transitions. [2024-11-07 02:44:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:44:06,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 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 199 [2024-11-07 02:44:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:06,329 INFO L225 Difference]: With dead ends: 10827 [2024-11-07 02:44:06,329 INFO L226 Difference]: Without dead ends: 5516 [2024-11-07 02:44:06,345 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 02:44:06,348 INFO L432 NwaCegarLoop]: 8294 mSDtfsCounter, 0 mSDsluCounter, 16582 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24876 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 02:44:06,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24876 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:06,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5516 states. [2024-11-07 02:44:06,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5516 to 5516. [2024-11-07 02:44:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5516 states, 5515 states have (on average 1.5046237533998186) internal successors, (8298), 5515 states have internal predecessors, (8298), 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 02:44:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 8298 transitions. [2024-11-07 02:44:06,599 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 8298 transitions. Word has length 199 [2024-11-07 02:44:06,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:06,602 INFO L471 AbstractCegarLoop]: Abstraction has 5516 states and 8298 transitions. [2024-11-07 02:44:06,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 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 02:44:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 8298 transitions. [2024-11-07 02:44:06,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-07 02:44:06,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:06,606 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] [2024-11-07 02:44:06,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 02:44:06,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:06,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1301969396, now seen corresponding path program 1 times [2024-11-07 02:44:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:06,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976742195] [2024-11-07 02:44:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:06,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:07,130 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 02:44:07,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:07,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976742195] [2024-11-07 02:44:07,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976742195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:07,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:07,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:44:07,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062060675] [2024-11-07 02:44:07,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:07,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:44:07,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:07,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:44:07,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:44:07,135 INFO L87 Difference]: Start difference. First operand 5516 states and 8298 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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 02:44:07,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:07,342 INFO L93 Difference]: Finished difference Result 10828 states and 16291 transitions. [2024-11-07 02:44:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:44:07,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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 200 [2024-11-07 02:44:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:07,366 INFO L225 Difference]: With dead ends: 10828 [2024-11-07 02:44:07,367 INFO L226 Difference]: Without dead ends: 5518 [2024-11-07 02:44:07,376 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 02:44:07,377 INFO L432 NwaCegarLoop]: 8294 mSDtfsCounter, 0 mSDsluCounter, 16578 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24872 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:07,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24872 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2024-11-07 02:44:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 5518. [2024-11-07 02:44:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5518 states, 5517 states have (on average 1.5044408192858438) internal successors, (8300), 5517 states have internal predecessors, (8300), 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 02:44:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5518 states to 5518 states and 8300 transitions. [2024-11-07 02:44:07,506 INFO L78 Accepts]: Start accepts. Automaton has 5518 states and 8300 transitions. Word has length 200 [2024-11-07 02:44:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:07,508 INFO L471 AbstractCegarLoop]: Abstraction has 5518 states and 8300 transitions. [2024-11-07 02:44:07,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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 02:44:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5518 states and 8300 transitions. [2024-11-07 02:44:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-07 02:44:07,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:07,512 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] [2024-11-07 02:44:07,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 02:44:07,513 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:07,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:07,517 INFO L85 PathProgramCache]: Analyzing trace with hash 608380931, now seen corresponding path program 1 times [2024-11-07 02:44:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:07,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845689201] [2024-11-07 02:44:07,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:08,028 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 02:44:08,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:08,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845689201] [2024-11-07 02:44:08,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845689201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:08,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:08,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:44:08,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188260605] [2024-11-07 02:44:08,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:08,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:44:08,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:08,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:44:08,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:44:08,032 INFO L87 Difference]: Start difference. First operand 5518 states and 8300 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 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 02:44:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:08,217 INFO L93 Difference]: Finished difference Result 10832 states and 16295 transitions. [2024-11-07 02:44:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:44:08,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 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 201 [2024-11-07 02:44:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:08,240 INFO L225 Difference]: With dead ends: 10832 [2024-11-07 02:44:08,240 INFO L226 Difference]: Without dead ends: 5520 [2024-11-07 02:44:08,249 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 02:44:08,254 INFO L432 NwaCegarLoop]: 8294 mSDtfsCounter, 0 mSDsluCounter, 16572 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24866 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 02:44:08,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24866 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:08,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5520 states. [2024-11-07 02:44:08,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5520 to 5520. [2024-11-07 02:44:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5520 states, 5519 states have (on average 1.50425801775684) internal successors, (8302), 5519 states have internal predecessors, (8302), 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 02:44:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5520 states to 5520 states and 8302 transitions. [2024-11-07 02:44:08,389 INFO L78 Accepts]: Start accepts. Automaton has 5520 states and 8302 transitions. Word has length 201 [2024-11-07 02:44:08,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:08,389 INFO L471 AbstractCegarLoop]: Abstraction has 5520 states and 8302 transitions. [2024-11-07 02:44:08,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 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 02:44:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5520 states and 8302 transitions. [2024-11-07 02:44:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-07 02:44:08,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:08,392 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] [2024-11-07 02:44:08,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 02:44:08,392 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:08,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:08,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1706139557, now seen corresponding path program 1 times [2024-11-07 02:44:08,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:08,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648651766] [2024-11-07 02:44:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:08,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:08,851 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 02:44:08,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:08,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648651766] [2024-11-07 02:44:08,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648651766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:08,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:08,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:44:08,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677220959] [2024-11-07 02:44:08,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:08,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:44:08,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:08,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:44:08,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:44:08,854 INFO L87 Difference]: Start difference. First operand 5520 states and 8302 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 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 02:44:09,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:09,147 INFO L93 Difference]: Finished difference Result 15298 states and 23017 transitions. [2024-11-07 02:44:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:44:09,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 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 202 [2024-11-07 02:44:09,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:09,203 INFO L225 Difference]: With dead ends: 15298 [2024-11-07 02:44:09,203 INFO L226 Difference]: Without dead ends: 9984 [2024-11-07 02:44:09,215 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 02:44:09,216 INFO L432 NwaCegarLoop]: 8290 mSDtfsCounter, 6838 mSDsluCounter, 24557 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6838 SdHoareTripleChecker+Valid, 32847 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:09,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6838 Valid, 32847 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:09,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9984 states. [2024-11-07 02:44:09,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9984 to 5696. [2024-11-07 02:44:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5696 states, 5695 states have (on average 1.5041264266900791) internal successors, (8566), 5695 states have internal predecessors, (8566), 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 02:44:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5696 states to 5696 states and 8566 transitions. [2024-11-07 02:44:09,376 INFO L78 Accepts]: Start accepts. Automaton has 5696 states and 8566 transitions. Word has length 202 [2024-11-07 02:44:09,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:09,377 INFO L471 AbstractCegarLoop]: Abstraction has 5696 states and 8566 transitions. [2024-11-07 02:44:09,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 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 02:44:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5696 states and 8566 transitions. [2024-11-07 02:44:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2752 [2024-11-07 02:44:09,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:09,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:09,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 02:44:09,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:09,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:09,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1763223993, now seen corresponding path program 1 times [2024-11-07 02:44:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:09,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013187248] [2024-11-07 02:44:09,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:09,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 02:44:19,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:19,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013187248] [2024-11-07 02:44:19,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013187248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:19,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:19,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:44:19,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173229929] [2024-11-07 02:44:19,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:19,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:44:19,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:19,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:44:19,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:44:19,744 INFO L87 Difference]: Start difference. First operand 5696 states and 8566 transitions. Second operand has 4 states, 4 states have (on average 687.75) internal successors, (2751), 4 states have internal predecessors, (2751), 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 02:44:19,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:19,899 INFO L93 Difference]: Finished difference Result 11010 states and 16560 transitions. [2024-11-07 02:44:19,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:44:19,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 687.75) internal successors, (2751), 4 states have internal predecessors, (2751), 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 2751 [2024-11-07 02:44:19,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:19,913 INFO L225 Difference]: With dead ends: 11010 [2024-11-07 02:44:19,914 INFO L226 Difference]: Without dead ends: 5696 [2024-11-07 02:44:19,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:44:19,925 INFO L432 NwaCegarLoop]: 8287 mSDtfsCounter, 8100 mSDsluCounter, 8285 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8100 SdHoareTripleChecker+Valid, 16572 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:19,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8100 Valid, 16572 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:19,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5696 states. [2024-11-07 02:44:20,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5696 to 5696. [2024-11-07 02:44:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5696 states, 5695 states have (on average 1.5039508340649692) internal successors, (8565), 5695 states have internal predecessors, (8565), 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 02:44:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5696 states to 5696 states and 8565 transitions. [2024-11-07 02:44:20,051 INFO L78 Accepts]: Start accepts. Automaton has 5696 states and 8565 transitions. Word has length 2751 [2024-11-07 02:44:20,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:20,053 INFO L471 AbstractCegarLoop]: Abstraction has 5696 states and 8565 transitions. [2024-11-07 02:44:20,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 687.75) internal successors, (2751), 4 states have internal predecessors, (2751), 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 02:44:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5696 states and 8565 transitions. [2024-11-07 02:44:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2753 [2024-11-07 02:44:20,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:20,278 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:20,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 02:44:20,278 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:20,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:20,280 INFO L85 PathProgramCache]: Analyzing trace with hash 937490242, now seen corresponding path program 1 times [2024-11-07 02:44:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:20,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284715469] [2024-11-07 02:44:20,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 02:44:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:26,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284715469] [2024-11-07 02:44:26,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284715469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:26,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:26,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 02:44:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203974056] [2024-11-07 02:44:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:26,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 02:44:26,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:26,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 02:44:26,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 02:44:26,203 INFO L87 Difference]: Start difference. First operand 5696 states and 8565 transitions. Second operand has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 02:44:26,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:26,278 INFO L93 Difference]: Finished difference Result 11011 states and 16560 transitions. [2024-11-07 02:44:26,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 02:44:26,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 2752 [2024-11-07 02:44:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:26,292 INFO L225 Difference]: With dead ends: 11011 [2024-11-07 02:44:26,293 INFO L226 Difference]: Without dead ends: 5697 [2024-11-07 02:44:26,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 02:44:26,303 INFO L432 NwaCegarLoop]: 8294 mSDtfsCounter, 0 mSDsluCounter, 8288 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16582 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:26,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16582 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2024-11-07 02:44:26,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5697. [2024-11-07 02:44:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5697 states, 5696 states have (on average 1.5038623595505618) internal successors, (8566), 5696 states have internal predecessors, (8566), 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 02:44:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 8566 transitions. [2024-11-07 02:44:26,413 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 8566 transitions. Word has length 2752 [2024-11-07 02:44:26,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:26,414 INFO L471 AbstractCegarLoop]: Abstraction has 5697 states and 8566 transitions. [2024-11-07 02:44:26,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 02:44:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 8566 transitions. [2024-11-07 02:44:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2753 [2024-11-07 02:44:26,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:26,521 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:26,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 02:44:26,522 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:26,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:26,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2120683507, now seen corresponding path program 1 times [2024-11-07 02:44:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:26,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221238602] [2024-11-07 02:44:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 02:44:30,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:30,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221238602] [2024-11-07 02:44:30,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221238602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:30,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:30,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 02:44:30,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755560773] [2024-11-07 02:44:30,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:30,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 02:44:30,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:30,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 02:44:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 02:44:30,734 INFO L87 Difference]: Start difference. First operand 5697 states and 8566 transitions. Second operand has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 02:44:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:30,809 INFO L93 Difference]: Finished difference Result 11013 states and 16562 transitions. [2024-11-07 02:44:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 02:44:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 2752 [2024-11-07 02:44:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:30,824 INFO L225 Difference]: With dead ends: 11013 [2024-11-07 02:44:30,825 INFO L226 Difference]: Without dead ends: 5698 [2024-11-07 02:44:30,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 02:44:30,833 INFO L432 NwaCegarLoop]: 8294 mSDtfsCounter, 0 mSDsluCounter, 8288 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16582 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:30,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16582 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2024-11-07 02:44:30,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 5698. [2024-11-07 02:44:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5698 states, 5697 states have (on average 1.503773916096191) internal successors, (8567), 5697 states have internal predecessors, (8567), 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 02:44:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5698 states to 5698 states and 8567 transitions. [2024-11-07 02:44:30,947 INFO L78 Accepts]: Start accepts. Automaton has 5698 states and 8567 transitions. Word has length 2752 [2024-11-07 02:44:30,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:30,948 INFO L471 AbstractCegarLoop]: Abstraction has 5698 states and 8567 transitions. [2024-11-07 02:44:30,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 02:44:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5698 states and 8567 transitions. [2024-11-07 02:44:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2753 [2024-11-07 02:44:31,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:31,087 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:31,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 02:44:31,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:31,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash 744737442, now seen corresponding path program 1 times [2024-11-07 02:44:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093931397] [2024-11-07 02:44:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 02:44:35,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:35,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093931397] [2024-11-07 02:44:35,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093931397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:35,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:35,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 02:44:35,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196198690] [2024-11-07 02:44:35,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:35,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 02:44:35,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:35,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 02:44:35,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 02:44:35,596 INFO L87 Difference]: Start difference. First operand 5698 states and 8567 transitions. Second operand has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 02:44:35,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:35,670 INFO L93 Difference]: Finished difference Result 11015 states and 16564 transitions. [2024-11-07 02:44:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 02:44:35,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 2752 [2024-11-07 02:44:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:35,685 INFO L225 Difference]: With dead ends: 11015 [2024-11-07 02:44:35,685 INFO L226 Difference]: Without dead ends: 5699 [2024-11-07 02:44:35,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 02:44:35,692 INFO L432 NwaCegarLoop]: 8294 mSDtfsCounter, 0 mSDsluCounter, 8288 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16582 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:35,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16582 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:44:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5699 states. [2024-11-07 02:44:35,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5699 to 5699. [2024-11-07 02:44:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5698 states have (on average 1.5036855036855037) internal successors, (8568), 5698 states have internal predecessors, (8568), 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 02:44:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 8568 transitions. [2024-11-07 02:44:35,771 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 8568 transitions. Word has length 2752 [2024-11-07 02:44:35,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:35,774 INFO L471 AbstractCegarLoop]: Abstraction has 5699 states and 8568 transitions. [2024-11-07 02:44:35,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 917.3333333333334) internal successors, (2752), 3 states have internal predecessors, (2752), 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 02:44:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 8568 transitions. [2024-11-07 02:44:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2753 [2024-11-07 02:44:35,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:35,849 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:35,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 02:44:35,850 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:35,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:35,852 INFO L85 PathProgramCache]: Analyzing trace with hash -343725039, now seen corresponding path program 1 times [2024-11-07 02:44:35,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:35,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159578675] [2024-11-07 02:44:35,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:35,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:44:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 02:44:40,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:44:40,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159578675] [2024-11-07 02:44:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159578675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:44:40,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:44:40,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:44:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966002410] [2024-11-07 02:44:40,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:44:40,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:44:40,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:44:40,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:44:40,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:44:40,203 INFO L87 Difference]: Start difference. First operand 5699 states and 8568 transitions. Second operand has 4 states, 4 states have (on average 688.0) internal successors, (2752), 4 states have internal predecessors, (2752), 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 02:44:40,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:44:40,348 INFO L93 Difference]: Finished difference Result 11016 states and 16564 transitions. [2024-11-07 02:44:40,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:44:40,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 688.0) internal successors, (2752), 4 states have internal predecessors, (2752), 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 2752 [2024-11-07 02:44:40,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:44:40,362 INFO L225 Difference]: With dead ends: 11016 [2024-11-07 02:44:40,362 INFO L226 Difference]: Without dead ends: 5699 [2024-11-07 02:44:40,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:44:40,369 INFO L432 NwaCegarLoop]: 8286 mSDtfsCounter, 7774 mSDsluCounter, 8284 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7774 SdHoareTripleChecker+Valid, 16570 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:44:40,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7774 Valid, 16570 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:44:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5699 states. [2024-11-07 02:44:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5699 to 5699. [2024-11-07 02:44:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5698 states have (on average 1.5035100035100035) internal successors, (8567), 5698 states have internal predecessors, (8567), 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 02:44:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 8567 transitions. [2024-11-07 02:44:40,446 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 8567 transitions. Word has length 2752 [2024-11-07 02:44:40,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:44:40,447 INFO L471 AbstractCegarLoop]: Abstraction has 5699 states and 8567 transitions. [2024-11-07 02:44:40,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 688.0) internal successors, (2752), 4 states have internal predecessors, (2752), 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 02:44:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 8567 transitions. [2024-11-07 02:44:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2754 [2024-11-07 02:44:40,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:44:40,495 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:40,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 02:44:40,496 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:44:40,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:44:40,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2070120946, now seen corresponding path program 1 times [2024-11-07 02:44:40,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:44:40,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482967759] [2024-11-07 02:44:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:44:40,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:44:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat