./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.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.h_Vending.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', '6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16'] 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.h_Vending.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 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 02:57:22,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 02:57:22,286 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 02:57:22,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 02:57:22,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 02:57:22,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 02:57:22,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 02:57:22,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 02:57:22,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 02:57:22,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 02:57:22,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 02:57:22,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 02:57:22,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 02:57:22,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 02:57:22,314 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 02:57:22,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 02:57:22,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 02:57:22,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:57:22,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 02:57:22,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 02:57:22,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 02:57:22,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 02:57:22,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 02:57:22,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 02:57:22,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 02:57:22,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-11-07 02:57:22,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 02:57:22,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 02:57:22,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 02:57:22,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 02:57:22,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 02:57:22,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-11-07 02:57:23,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 02:57:24,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 02:57:24,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-11-07 02:57:24,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9365b0984/420dfc2f713b453bb47f7614018442b2/FLAG5aaba0cbd [2024-11-07 02:57:24,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9365b0984/420dfc2f713b453bb47f7614018442b2 [2024-11-07 02:57:24,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 02:57:24,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 02:57:24,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 02:57:24,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 02:57:24,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 02:57:24,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f480ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24, skipping insertion in model container [2024-11-07 02:57:24,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 02:57:24,299 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.h_Vending.c[1249,1262] [2024-11-07 02:57:24,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:57:24,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 02:57:24,549 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.h_Vending.c[1249,1262] [2024-11-07 02:57:24,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:57:24,657 INFO L204 MainTranslator]: Completed translation [2024-11-07 02:57:24,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24 WrapperNode [2024-11-07 02:57:24,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 02:57:24,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 02:57:24,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 02:57:24,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 02:57:24,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,811 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2024-11-07 02:57:24,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 02:57:24,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 02:57:24,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 02:57:24,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 02:57:24,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,835 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,930 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 02:57:24,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:24,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:25,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:25,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:25,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:25,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 02:57:25,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 02:57:25,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 02:57:25,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 02:57:25,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (1/1) ... [2024-11-07 02:57:25,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:57:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 02:57:25,094 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 02:57:25,109 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 02:57:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 02:57:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 02:57:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 02:57:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 02:57:25,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 02:57:25,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 02:57:26,878 INFO L? ?]: Removed 1503 outVars from TransFormulas that were not future-live. [2024-11-07 02:57:26,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 02:57:26,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 02:57:26,889 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 02:57:26,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:26 BoogieIcfgContainer [2024-11-07 02:57:26,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 02:57:26,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 02:57:26,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 02:57:26,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 02:57:26,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:57:24" (1/3) ... [2024-11-07 02:57:26,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729c360a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:57:26, skipping insertion in model container [2024-11-07 02:57:26,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:24" (2/3) ... [2024-11-07 02:57:26,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729c360a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:57:26, skipping insertion in model container [2024-11-07 02:57:26,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:26" (3/3) ... [2024-11-07 02:57:26,897 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-11-07 02:57:26,906 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 02:57:26,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 02:57:26,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 02:57:26,948 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;@621d311, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 02:57:26,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 02:57:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 324 states have (on average 1.4969135802469136) internal successors, (485), 325 states have internal predecessors, (485), 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 02:57:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 02:57:26,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:26,958 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] [2024-11-07 02:57:26,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:26,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1351493187, now seen corresponding path program 1 times [2024-11-07 02:57:26,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:26,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005319594] [2024-11-07 02:57:26,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:26,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:28,395 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 02:57:28,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:28,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005319594] [2024-11-07 02:57:28,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005319594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:28,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:28,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:28,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691853859] [2024-11-07 02:57:28,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:28,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:28,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:28,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:28,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:28,419 INFO L87 Difference]: Start difference. First operand has 326 states, 324 states have (on average 1.4969135802469136) internal successors, (485), 325 states have internal predecessors, (485), 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 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 02:57:28,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:28,525 INFO L93 Difference]: Finished difference Result 619 states and 924 transitions. [2024-11-07 02:57:28,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:28,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 99 [2024-11-07 02:57:28,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:28,537 INFO L225 Difference]: With dead ends: 619 [2024-11-07 02:57:28,539 INFO L226 Difference]: Without dead ends: 327 [2024-11-07 02:57:28,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:28,548 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 395 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:28,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1418 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:28,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-07 02:57:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 326. [2024-11-07 02:57:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.4892307692307691) internal successors, (484), 325 states have internal predecessors, (484), 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 02:57:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 484 transitions. [2024-11-07 02:57:28,584 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 484 transitions. Word has length 99 [2024-11-07 02:57:28,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:28,584 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 484 transitions. [2024-11-07 02:57:28,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 02:57:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 484 transitions. [2024-11-07 02:57:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 02:57:28,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:28,587 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] [2024-11-07 02:57:28,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 02:57:28,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:28,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:28,588 INFO L85 PathProgramCache]: Analyzing trace with hash 845651071, now seen corresponding path program 1 times [2024-11-07 02:57:28,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:28,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259042009] [2024-11-07 02:57:28,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:28,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:28,995 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 02:57:28,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:28,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259042009] [2024-11-07 02:57:28,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259042009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:28,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:28,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:57:28,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613311112] [2024-11-07 02:57:28,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:28,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:57:28,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:57:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:28,999 INFO L87 Difference]: Start difference. First operand 326 states and 484 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 02:57:29,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:29,063 INFO L93 Difference]: Finished difference Result 640 states and 951 transitions. [2024-11-07 02:57:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:29,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 100 [2024-11-07 02:57:29,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:29,065 INFO L225 Difference]: With dead ends: 640 [2024-11-07 02:57:29,065 INFO L226 Difference]: Without dead ends: 348 [2024-11-07 02:57:29,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:29,069 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 20 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:29,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2372 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:29,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-07 02:57:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-11-07 02:57:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.4870317002881845) internal successors, (516), 347 states have internal predecessors, (516), 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 02:57:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 516 transitions. [2024-11-07 02:57:29,090 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 516 transitions. Word has length 100 [2024-11-07 02:57:29,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:29,090 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 516 transitions. [2024-11-07 02:57:29,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 02:57:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 516 transitions. [2024-11-07 02:57:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 02:57:29,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:29,096 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] [2024-11-07 02:57:29,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 02:57:29,096 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:29,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:29,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1922552128, now seen corresponding path program 1 times [2024-11-07 02:57:29,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:29,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712541891] [2024-11-07 02:57:29,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:29,553 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 02:57:29,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:29,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712541891] [2024-11-07 02:57:29,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712541891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:29,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:29,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:29,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525316039] [2024-11-07 02:57:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:29,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:29,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:29,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:29,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:29,557 INFO L87 Difference]: Start difference. First operand 348 states and 516 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 02:57:29,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:29,581 INFO L93 Difference]: Finished difference Result 352 states and 520 transitions. [2024-11-07 02:57:29,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:29,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 101 [2024-11-07 02:57:29,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:29,584 INFO L225 Difference]: With dead ends: 352 [2024-11-07 02:57:29,584 INFO L226 Difference]: Without dead ends: 350 [2024-11-07 02:57:29,584 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 02:57:29,585 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 0 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:29,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1431 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:29,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-07 02:57:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-11-07 02:57:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 1.484240687679083) internal successors, (518), 349 states have internal predecessors, (518), 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 02:57:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 518 transitions. [2024-11-07 02:57:29,596 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 518 transitions. Word has length 101 [2024-11-07 02:57:29,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:29,596 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 518 transitions. [2024-11-07 02:57:29,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 02:57:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 518 transitions. [2024-11-07 02:57:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 02:57:29,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:29,598 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] [2024-11-07 02:57:29,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 02:57:29,598 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:29,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:29,602 INFO L85 PathProgramCache]: Analyzing trace with hash 532121940, now seen corresponding path program 1 times [2024-11-07 02:57:29,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:29,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918996060] [2024-11-07 02:57:29,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:29,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:30,376 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 02:57:30,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:30,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918996060] [2024-11-07 02:57:30,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918996060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:30,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:30,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 02:57:30,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550586733] [2024-11-07 02:57:30,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:30,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 02:57:30,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:30,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 02:57:30,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:57:30,380 INFO L87 Difference]: Start difference. First operand 350 states and 518 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 02:57:30,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:30,789 INFO L93 Difference]: Finished difference Result 981 states and 1453 transitions. [2024-11-07 02:57:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 02:57:30,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 102 [2024-11-07 02:57:30,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:30,792 INFO L225 Difference]: With dead ends: 981 [2024-11-07 02:57:30,792 INFO L226 Difference]: Without dead ends: 665 [2024-11-07 02:57:30,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 02:57:30,796 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 1274 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:30,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 1807 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 02:57:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-07 02:57:30,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 467. [2024-11-07 02:57:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 466 states have (on average 1.4849785407725322) internal successors, (692), 466 states have internal predecessors, (692), 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 02:57:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 692 transitions. [2024-11-07 02:57:30,809 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 692 transitions. Word has length 102 [2024-11-07 02:57:30,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:30,809 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 692 transitions. [2024-11-07 02:57:30,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 02:57:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 692 transitions. [2024-11-07 02:57:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 02:57:30,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:30,810 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] [2024-11-07 02:57:30,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 02:57:30,810 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:30,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1687514873, now seen corresponding path program 1 times [2024-11-07 02:57:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:30,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877495391] [2024-11-07 02:57:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:31,368 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 02:57:31,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:31,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877495391] [2024-11-07 02:57:31,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877495391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:31,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:31,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:31,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63974594] [2024-11-07 02:57:31,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:31,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:31,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:31,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:31,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:31,370 INFO L87 Difference]: Start difference. First operand 467 states and 692 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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 02:57:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:31,406 INFO L93 Difference]: Finished difference Result 789 states and 1170 transitions. [2024-11-07 02:57:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:31,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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 103 [2024-11-07 02:57:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:31,409 INFO L225 Difference]: With dead ends: 789 [2024-11-07 02:57:31,409 INFO L226 Difference]: Without dead ends: 473 [2024-11-07 02:57:31,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:31,410 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 17 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:31,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1423 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:31,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-07 02:57:31,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2024-11-07 02:57:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 472 states have (on average 1.478813559322034) internal successors, (698), 472 states have internal predecessors, (698), 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 02:57:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 698 transitions. [2024-11-07 02:57:31,420 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 698 transitions. Word has length 103 [2024-11-07 02:57:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:31,421 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 698 transitions. [2024-11-07 02:57:31,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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 02:57:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 698 transitions. [2024-11-07 02:57:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 02:57:31,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:31,422 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] [2024-11-07 02:57:31,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 02:57:31,422 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:31,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:31,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2145927774, now seen corresponding path program 1 times [2024-11-07 02:57:31,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:31,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961626309] [2024-11-07 02:57:31,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:31,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:32,672 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 02:57:32,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:32,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961626309] [2024-11-07 02:57:32,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961626309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:32,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:32,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 02:57:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055366339] [2024-11-07 02:57:32,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:32,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 02:57:32,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 02:57:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 02:57:32,674 INFO L87 Difference]: Start difference. First operand 473 states and 698 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 02:57:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:32,982 INFO L93 Difference]: Finished difference Result 868 states and 1280 transitions. [2024-11-07 02:57:32,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 02:57:32,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 104 [2024-11-07 02:57:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:32,985 INFO L225 Difference]: With dead ends: 868 [2024-11-07 02:57:32,985 INFO L226 Difference]: Without dead ends: 505 [2024-11-07 02:57:32,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-07 02:57:32,986 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 466 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:32,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 3617 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:57:32,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-07 02:57:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 497. [2024-11-07 02:57:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.4798387096774193) internal successors, (734), 496 states have internal predecessors, (734), 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 02:57:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 734 transitions. [2024-11-07 02:57:32,997 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 734 transitions. Word has length 104 [2024-11-07 02:57:32,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:32,997 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 734 transitions. [2024-11-07 02:57:32,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 02:57:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 734 transitions. [2024-11-07 02:57:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-07 02:57:32,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:32,998 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] [2024-11-07 02:57:32,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 02:57:32,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:32,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:32,999 INFO L85 PathProgramCache]: Analyzing trace with hash -845179228, now seen corresponding path program 1 times [2024-11-07 02:57:32,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:32,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708812914] [2024-11-07 02:57:32,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:32,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:33,626 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 02:57:33,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:33,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708812914] [2024-11-07 02:57:33,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708812914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:33,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:33,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 02:57:33,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101137475] [2024-11-07 02:57:33,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:33,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 02:57:33,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:33,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 02:57:33,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:57:33,628 INFO L87 Difference]: Start difference. First operand 497 states and 734 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 02:57:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:33,730 INFO L93 Difference]: Finished difference Result 898 states and 1324 transitions. [2024-11-07 02:57:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 02:57:33,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 105 [2024-11-07 02:57:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:33,732 INFO L225 Difference]: With dead ends: 898 [2024-11-07 02:57:33,732 INFO L226 Difference]: Without dead ends: 523 [2024-11-07 02:57:33,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:57:33,733 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 7 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:33,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2785 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-07 02:57:33,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 519. [2024-11-07 02:57:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 518 states have (on average 1.4787644787644787) internal successors, (766), 518 states have internal predecessors, (766), 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 02:57:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 766 transitions. [2024-11-07 02:57:33,742 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 766 transitions. Word has length 105 [2024-11-07 02:57:33,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:33,742 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 766 transitions. [2024-11-07 02:57:33,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 02:57:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 766 transitions. [2024-11-07 02:57:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-07 02:57:33,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:33,743 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] [2024-11-07 02:57:33,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 02:57:33,743 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:33,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:33,743 INFO L85 PathProgramCache]: Analyzing trace with hash -720329080, now seen corresponding path program 1 times [2024-11-07 02:57:33,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:33,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401016891] [2024-11-07 02:57:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:33,985 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 02:57:33,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:33,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401016891] [2024-11-07 02:57:33,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401016891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:33,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:33,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:33,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853118055] [2024-11-07 02:57:33,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:33,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:33,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:33,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:33,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:33,987 INFO L87 Difference]: Start difference. First operand 519 states and 766 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 02:57:34,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:34,149 INFO L93 Difference]: Finished difference Result 935 states and 1379 transitions. [2024-11-07 02:57:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:34,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 105 [2024-11-07 02:57:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:34,151 INFO L225 Difference]: With dead ends: 935 [2024-11-07 02:57:34,151 INFO L226 Difference]: Without dead ends: 527 [2024-11-07 02:57:34,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 02:57:34,152 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 438 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:34,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1193 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-07 02:57:34,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 525. [2024-11-07 02:57:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.4770992366412214) internal successors, (774), 524 states have internal predecessors, (774), 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 02:57:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 774 transitions. [2024-11-07 02:57:34,160 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 774 transitions. Word has length 105 [2024-11-07 02:57:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:34,160 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 774 transitions. [2024-11-07 02:57:34,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 02:57:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 774 transitions. [2024-11-07 02:57:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 02:57:34,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:34,161 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] [2024-11-07 02:57:34,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 02:57:34,162 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:34,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:34,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2136993919, now seen corresponding path program 1 times [2024-11-07 02:57:34,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:34,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486241218] [2024-11-07 02:57:34,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:34,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:35,053 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 02:57:35,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:35,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486241218] [2024-11-07 02:57:35,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486241218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:35,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:35,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 02:57:35,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232911359] [2024-11-07 02:57:35,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:35,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 02:57:35,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:35,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 02:57:35,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-07 02:57:35,054 INFO L87 Difference]: Start difference. First operand 525 states and 774 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 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 02:57:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:35,444 INFO L93 Difference]: Finished difference Result 1235 states and 1807 transitions. [2024-11-07 02:57:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 02:57:35,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 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 106 [2024-11-07 02:57:35,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:35,451 INFO L225 Difference]: With dead ends: 1235 [2024-11-07 02:57:35,452 INFO L226 Difference]: Without dead ends: 850 [2024-11-07 02:57:35,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-07 02:57:35,458 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 970 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 3633 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:35,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 3633 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 02:57:35,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-07 02:57:35,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 570. [2024-11-07 02:57:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 569 states have (on average 1.4745166959578206) internal successors, (839), 569 states have internal predecessors, (839), 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 02:57:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 839 transitions. [2024-11-07 02:57:35,493 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 839 transitions. Word has length 106 [2024-11-07 02:57:35,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:35,493 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 839 transitions. [2024-11-07 02:57:35,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 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 02:57:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 839 transitions. [2024-11-07 02:57:35,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 02:57:35,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:35,494 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] [2024-11-07 02:57:35,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 02:57:35,495 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:35,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:35,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1738447973, now seen corresponding path program 1 times [2024-11-07 02:57:35,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:35,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046238911] [2024-11-07 02:57:35,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:36,397 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 02:57:36,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:36,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046238911] [2024-11-07 02:57:36,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046238911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:36,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:36,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 02:57:36,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689458017] [2024-11-07 02:57:36,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:36,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 02:57:36,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:36,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 02:57:36,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-07 02:57:36,400 INFO L87 Difference]: Start difference. First operand 570 states and 839 transitions. Second operand has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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 02:57:37,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:37,014 INFO L93 Difference]: Finished difference Result 1228 states and 1802 transitions. [2024-11-07 02:57:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 02:57:37,014 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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 106 [2024-11-07 02:57:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:37,017 INFO L225 Difference]: With dead ends: 1228 [2024-11-07 02:57:37,017 INFO L226 Difference]: Without dead ends: 711 [2024-11-07 02:57:37,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2024-11-07 02:57:37,021 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 1138 mSDsluCounter, 5072 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 5497 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:37,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 5497 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 02:57:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-07 02:57:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 597. [2024-11-07 02:57:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.471476510067114) internal successors, (877), 596 states have internal predecessors, (877), 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 02:57:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 877 transitions. [2024-11-07 02:57:37,032 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 877 transitions. Word has length 106 [2024-11-07 02:57:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:37,032 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 877 transitions. [2024-11-07 02:57:37,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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 02:57:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 877 transitions. [2024-11-07 02:57:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 02:57:37,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:37,035 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] [2024-11-07 02:57:37,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 02:57:37,035 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:37,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:37,035 INFO L85 PathProgramCache]: Analyzing trace with hash -649953321, now seen corresponding path program 1 times [2024-11-07 02:57:37,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:37,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662336812] [2024-11-07 02:57:37,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:37,310 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 02:57:37,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:37,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662336812] [2024-11-07 02:57:37,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662336812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:37,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:37,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:57:37,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299744477] [2024-11-07 02:57:37,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:37,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:57:37,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:37,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:57:37,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:37,312 INFO L87 Difference]: Start difference. First operand 597 states and 877 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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 02:57:37,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:37,431 INFO L93 Difference]: Finished difference Result 1138 states and 1672 transitions. [2024-11-07 02:57:37,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:57:37,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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 107 [2024-11-07 02:57:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:37,434 INFO L225 Difference]: With dead ends: 1138 [2024-11-07 02:57:37,434 INFO L226 Difference]: Without dead ends: 600 [2024-11-07 02:57:37,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 02:57:37,435 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 454 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:37,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1768 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-07 02:57:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-11-07 02:57:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.4641068447412353) internal successors, (877), 599 states have internal predecessors, (877), 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 02:57:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 877 transitions. [2024-11-07 02:57:37,445 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 877 transitions. Word has length 107 [2024-11-07 02:57:37,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:37,445 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 877 transitions. [2024-11-07 02:57:37,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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 02:57:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 877 transitions. [2024-11-07 02:57:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 02:57:37,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:37,446 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] [2024-11-07 02:57:37,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 02:57:37,447 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:37,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:37,447 INFO L85 PathProgramCache]: Analyzing trace with hash -421717905, now seen corresponding path program 1 times [2024-11-07 02:57:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:37,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045250361] [2024-11-07 02:57:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:37,692 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 02:57:37,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:37,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045250361] [2024-11-07 02:57:37,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045250361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:37,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:37,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:37,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309245685] [2024-11-07 02:57:37,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:37,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:37,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:37,693 INFO L87 Difference]: Start difference. First operand 600 states and 877 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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 02:57:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:37,730 INFO L93 Difference]: Finished difference Result 994 states and 1455 transitions. [2024-11-07 02:57:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:37,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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 107 [2024-11-07 02:57:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:37,732 INFO L225 Difference]: With dead ends: 994 [2024-11-07 02:57:37,732 INFO L226 Difference]: Without dead ends: 608 [2024-11-07 02:57:37,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:37,732 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 3 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:37,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1869 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:37,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-07 02:57:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 605. [2024-11-07 02:57:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 604 states have (on average 1.4602649006622517) internal successors, (882), 604 states have internal predecessors, (882), 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 02:57:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 882 transitions. [2024-11-07 02:57:37,772 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 882 transitions. Word has length 107 [2024-11-07 02:57:37,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:37,773 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 882 transitions. [2024-11-07 02:57:37,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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 02:57:37,774 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 882 transitions. [2024-11-07 02:57:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 02:57:37,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:37,775 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] [2024-11-07 02:57:37,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 02:57:37,775 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:37,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:37,775 INFO L85 PathProgramCache]: Analyzing trace with hash -666926079, now seen corresponding path program 1 times [2024-11-07 02:57:37,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:37,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991286816] [2024-11-07 02:57:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:37,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:37,924 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 02:57:37,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:37,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991286816] [2024-11-07 02:57:37,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991286816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:37,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:37,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:37,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514653982] [2024-11-07 02:57:37,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:37,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:37,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:37,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:37,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:37,926 INFO L87 Difference]: Start difference. First operand 605 states and 882 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 02:57:37,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:37,964 INFO L93 Difference]: Finished difference Result 1093 states and 1595 transitions. [2024-11-07 02:57:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:37,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2024-11-07 02:57:37,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:37,967 INFO L225 Difference]: With dead ends: 1093 [2024-11-07 02:57:37,967 INFO L226 Difference]: Without dead ends: 600 [2024-11-07 02:57:37,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 02:57:37,968 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 432 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:37,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 921 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:37,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-07 02:57:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-11-07 02:57:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.4557595993322203) internal successors, (872), 599 states have internal predecessors, (872), 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 02:57:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 872 transitions. [2024-11-07 02:57:37,979 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 872 transitions. Word has length 107 [2024-11-07 02:57:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:37,979 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 872 transitions. [2024-11-07 02:57:37,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 02:57:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 872 transitions. [2024-11-07 02:57:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 02:57:37,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:37,980 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] [2024-11-07 02:57:37,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 02:57:37,980 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:37,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:37,981 INFO L85 PathProgramCache]: Analyzing trace with hash -298937446, now seen corresponding path program 1 times [2024-11-07 02:57:37,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:37,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041282372] [2024-11-07 02:57:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:38,193 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 02:57:38,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:38,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041282372] [2024-11-07 02:57:38,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041282372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:38,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:38,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 02:57:38,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490659715] [2024-11-07 02:57:38,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:38,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 02:57:38,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:38,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 02:57:38,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:57:38,195 INFO L87 Difference]: Start difference. First operand 600 states and 872 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 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 02:57:38,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:38,299 INFO L93 Difference]: Finished difference Result 1117 states and 1625 transitions. [2024-11-07 02:57:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 02:57:38,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 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 107 [2024-11-07 02:57:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:38,301 INFO L225 Difference]: With dead ends: 1117 [2024-11-07 02:57:38,301 INFO L226 Difference]: Without dead ends: 615 [2024-11-07 02:57:38,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 02:57:38,302 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 441 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:38,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 2234 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:38,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2024-11-07 02:57:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2024-11-07 02:57:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 614 states have (on average 1.4495114006514658) internal successors, (890), 614 states have internal predecessors, (890), 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 02:57:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 890 transitions. [2024-11-07 02:57:38,312 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 890 transitions. Word has length 107 [2024-11-07 02:57:38,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:38,314 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 890 transitions. [2024-11-07 02:57:38,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 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 02:57:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 890 transitions. [2024-11-07 02:57:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 02:57:38,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:38,315 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] [2024-11-07 02:57:38,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 02:57:38,315 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:38,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:38,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1091871874, now seen corresponding path program 1 times [2024-11-07 02:57:38,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:38,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850274121] [2024-11-07 02:57:38,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:38,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:38,454 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 02:57:38,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:38,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850274121] [2024-11-07 02:57:38,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850274121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:38,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:38,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:38,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681809961] [2024-11-07 02:57:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:38,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:38,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:38,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:38,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:38,457 INFO L87 Difference]: Start difference. First operand 615 states and 890 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 02:57:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:38,494 INFO L93 Difference]: Finished difference Result 1129 states and 1637 transitions. [2024-11-07 02:57:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:38,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2024-11-07 02:57:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:38,497 INFO L225 Difference]: With dead ends: 1129 [2024-11-07 02:57:38,497 INFO L226 Difference]: Without dead ends: 610 [2024-11-07 02:57:38,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 02:57:38,499 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 438 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:38,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 913 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:38,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-07 02:57:38,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2024-11-07 02:57:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 609 states have (on average 1.444991789819376) internal successors, (880), 609 states have internal predecessors, (880), 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 02:57:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 880 transitions. [2024-11-07 02:57:38,511 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 880 transitions. Word has length 107 [2024-11-07 02:57:38,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:38,511 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 880 transitions. [2024-11-07 02:57:38,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 02:57:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 880 transitions. [2024-11-07 02:57:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 02:57:38,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:38,512 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] [2024-11-07 02:57:38,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 02:57:38,512 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash -781368887, now seen corresponding path program 1 times [2024-11-07 02:57:38,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:38,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149636] [2024-11-07 02:57:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:38,706 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 02:57:38,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149636] [2024-11-07 02:57:38,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:38,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:38,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:38,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505076922] [2024-11-07 02:57:38,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:38,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:38,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:38,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:38,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:38,708 INFO L87 Difference]: Start difference. First operand 610 states and 880 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 02:57:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:38,752 INFO L93 Difference]: Finished difference Result 1126 states and 1628 transitions. [2024-11-07 02:57:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:38,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2024-11-07 02:57:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:38,754 INFO L225 Difference]: With dead ends: 1126 [2024-11-07 02:57:38,754 INFO L226 Difference]: Without dead ends: 600 [2024-11-07 02:57:38,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 02:57:38,755 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 440 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:38,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 905 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-07 02:57:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-11-07 02:57:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.4440734557595993) internal successors, (865), 599 states have internal predecessors, (865), 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 02:57:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 865 transitions. [2024-11-07 02:57:38,766 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 865 transitions. Word has length 107 [2024-11-07 02:57:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:38,766 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 865 transitions. [2024-11-07 02:57:38,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 02:57:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 865 transitions. [2024-11-07 02:57:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-07 02:57:38,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:38,767 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] [2024-11-07 02:57:38,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 02:57:38,768 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:38,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash 404976836, now seen corresponding path program 1 times [2024-11-07 02:57:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:38,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807821075] [2024-11-07 02:57:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:39,397 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 02:57:39,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:39,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807821075] [2024-11-07 02:57:39,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807821075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:39,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:39,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:39,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097372694] [2024-11-07 02:57:39,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:39,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:39,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:39,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:39,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:39,399 INFO L87 Difference]: Start difference. First operand 600 states and 865 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 02:57:39,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:39,505 INFO L93 Difference]: Finished difference Result 1056 states and 1521 transitions. [2024-11-07 02:57:39,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:39,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2024-11-07 02:57:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:39,508 INFO L225 Difference]: With dead ends: 1056 [2024-11-07 02:57:39,508 INFO L226 Difference]: Without dead ends: 700 [2024-11-07 02:57:39,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:39,509 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 839 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:39,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1330 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:39,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-07 02:57:39,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 600. [2024-11-07 02:57:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.4424040066777963) internal successors, (864), 599 states have internal predecessors, (864), 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 02:57:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 864 transitions. [2024-11-07 02:57:39,521 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 864 transitions. Word has length 108 [2024-11-07 02:57:39,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:39,521 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 864 transitions. [2024-11-07 02:57:39,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 02:57:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 864 transitions. [2024-11-07 02:57:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-07 02:57:39,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:39,522 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] [2024-11-07 02:57:39,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 02:57:39,523 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:39,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:39,523 INFO L85 PathProgramCache]: Analyzing trace with hash -2144833123, now seen corresponding path program 1 times [2024-11-07 02:57:39,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:39,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654632056] [2024-11-07 02:57:39,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:39,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:40,125 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 02:57:40,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:40,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654632056] [2024-11-07 02:57:40,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654632056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:40,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:40,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773158385] [2024-11-07 02:57:40,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:40,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:40,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:40,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:40,126 INFO L87 Difference]: Start difference. First operand 600 states and 864 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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 02:57:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:40,292 INFO L93 Difference]: Finished difference Result 1068 states and 1537 transitions. [2024-11-07 02:57:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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 109 [2024-11-07 02:57:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:40,295 INFO L225 Difference]: With dead ends: 1068 [2024-11-07 02:57:40,295 INFO L226 Difference]: Without dead ends: 700 [2024-11-07 02:57:40,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:40,297 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 650 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:40,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1326 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:40,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-07 02:57:40,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 600. [2024-11-07 02:57:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.4407345575959933) internal successors, (863), 599 states have internal predecessors, (863), 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 02:57:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 863 transitions. [2024-11-07 02:57:40,308 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 863 transitions. Word has length 109 [2024-11-07 02:57:40,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:40,308 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 863 transitions. [2024-11-07 02:57:40,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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 02:57:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 863 transitions. [2024-11-07 02:57:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 02:57:40,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:40,309 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] [2024-11-07 02:57:40,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 02:57:40,309 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:40,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:40,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1221094713, now seen corresponding path program 1 times [2024-11-07 02:57:40,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:40,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35925426] [2024-11-07 02:57:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:41,369 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 02:57:41,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35925426] [2024-11-07 02:57:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35925426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:41,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:41,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 02:57:41,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172214908] [2024-11-07 02:57:41,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:41,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 02:57:41,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:41,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 02:57:41,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 02:57:41,371 INFO L87 Difference]: Start difference. First operand 600 states and 863 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 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 02:57:41,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:41,819 INFO L93 Difference]: Finished difference Result 1068 states and 1535 transitions. [2024-11-07 02:57:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 02:57:41,819 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 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 110 [2024-11-07 02:57:41,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:41,821 INFO L225 Difference]: With dead ends: 1068 [2024-11-07 02:57:41,821 INFO L226 Difference]: Without dead ends: 694 [2024-11-07 02:57:41,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-07 02:57:41,822 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 490 mSDsluCounter, 3612 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 4062 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:41,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 4062 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 02:57:41,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-07 02:57:41,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 682. [2024-11-07 02:57:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 681 states have (on average 1.4317180616740088) internal successors, (975), 681 states have internal predecessors, (975), 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 02:57:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 975 transitions. [2024-11-07 02:57:41,833 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 975 transitions. Word has length 110 [2024-11-07 02:57:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:41,833 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 975 transitions. [2024-11-07 02:57:41,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 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 02:57:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 975 transitions. [2024-11-07 02:57:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 02:57:41,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:41,835 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] [2024-11-07 02:57:41,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 02:57:41,835 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:41,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash -184897447, now seen corresponding path program 1 times [2024-11-07 02:57:41,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:41,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122974499] [2024-11-07 02:57:41,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:42,065 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 02:57:42,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:42,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122974499] [2024-11-07 02:57:42,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122974499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:42,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:42,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:42,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579581215] [2024-11-07 02:57:42,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:42,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:42,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:42,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:42,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:42,067 INFO L87 Difference]: Start difference. First operand 682 states and 975 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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 02:57:42,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:42,099 INFO L93 Difference]: Finished difference Result 1106 states and 1585 transitions. [2024-11-07 02:57:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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 110 [2024-11-07 02:57:42,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:42,101 INFO L225 Difference]: With dead ends: 1106 [2024-11-07 02:57:42,101 INFO L226 Difference]: Without dead ends: 653 [2024-11-07 02:57:42,102 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 02:57:42,102 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 0 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:42,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1380 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-07 02:57:42,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2024-11-07 02:57:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 652 states have (on average 1.4294478527607362) internal successors, (932), 652 states have internal predecessors, (932), 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 02:57:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 932 transitions. [2024-11-07 02:57:42,114 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 932 transitions. Word has length 110 [2024-11-07 02:57:42,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:42,115 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 932 transitions. [2024-11-07 02:57:42,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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 02:57:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 932 transitions. [2024-11-07 02:57:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 02:57:42,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:42,116 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] [2024-11-07 02:57:42,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 02:57:42,116 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:42,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash -651184319, now seen corresponding path program 1 times [2024-11-07 02:57:42,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:42,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928205183] [2024-11-07 02:57:42,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:42,312 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 02:57:42,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:42,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928205183] [2024-11-07 02:57:42,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928205183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:42,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:42,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:42,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753631237] [2024-11-07 02:57:42,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:42,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:42,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:42,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:42,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:42,315 INFO L87 Difference]: Start difference. First operand 653 states and 932 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 02:57:42,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:42,438 INFO L93 Difference]: Finished difference Result 1347 states and 1925 transitions. [2024-11-07 02:57:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:42,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2024-11-07 02:57:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:42,444 INFO L225 Difference]: With dead ends: 1347 [2024-11-07 02:57:42,444 INFO L226 Difference]: Without dead ends: 787 [2024-11-07 02:57:42,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:57:42,447 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 1044 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:42,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 1348 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-07 02:57:42,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 647. [2024-11-07 02:57:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 646 states have (on average 1.4241486068111455) internal successors, (920), 646 states have internal predecessors, (920), 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 02:57:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 920 transitions. [2024-11-07 02:57:42,460 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 920 transitions. Word has length 110 [2024-11-07 02:57:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:42,460 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 920 transitions. [2024-11-07 02:57:42,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 02:57:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 920 transitions. [2024-11-07 02:57:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 02:57:42,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:42,462 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] [2024-11-07 02:57:42,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 02:57:42,462 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:42,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:42,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1335204232, now seen corresponding path program 1 times [2024-11-07 02:57:42,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:42,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712588288] [2024-11-07 02:57:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:42,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:42,875 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 02:57:42,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:42,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712588288] [2024-11-07 02:57:42,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712588288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:42,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 02:57:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67988643] [2024-11-07 02:57:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:42,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 02:57:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 02:57:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:57:42,878 INFO L87 Difference]: Start difference. First operand 647 states and 920 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 02:57:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:43,524 INFO L93 Difference]: Finished difference Result 1365 states and 1943 transitions. [2024-11-07 02:57:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 02:57:43,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 110 [2024-11-07 02:57:43,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:43,528 INFO L225 Difference]: With dead ends: 1365 [2024-11-07 02:57:43,528 INFO L226 Difference]: Without dead ends: 789 [2024-11-07 02:57:43,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 02:57:43,531 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 1049 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:43,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 1885 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 02:57:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-07 02:57:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 649. [2024-11-07 02:57:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 648 states have (on average 1.4197530864197532) internal successors, (920), 648 states have internal predecessors, (920), 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 02:57:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 920 transitions. [2024-11-07 02:57:43,540 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 920 transitions. Word has length 110 [2024-11-07 02:57:43,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:43,541 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 920 transitions. [2024-11-07 02:57:43,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 02:57:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 920 transitions. [2024-11-07 02:57:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 02:57:43,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:43,542 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] [2024-11-07 02:57:43,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 02:57:43,542 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:43,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:43,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2005973537, now seen corresponding path program 1 times [2024-11-07 02:57:43,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:43,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777265127] [2024-11-07 02:57:43,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:43,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:43,767 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 02:57:43,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:43,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777265127] [2024-11-07 02:57:43,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777265127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:43,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:43,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:43,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927483186] [2024-11-07 02:57:43,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:43,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:43,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:43,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:43,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:43,768 INFO L87 Difference]: Start difference. First operand 649 states and 920 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 02:57:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:43,963 INFO L93 Difference]: Finished difference Result 1338 states and 1900 transitions. [2024-11-07 02:57:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:43,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2024-11-07 02:57:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:43,966 INFO L225 Difference]: With dead ends: 1338 [2024-11-07 02:57:43,966 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 02:57:43,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:57:43,968 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 978 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:43,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1340 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 02:57:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 02:57:43,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 625. [2024-11-07 02:57:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 624 states have (on average 1.4246794871794872) internal successors, (889), 624 states have internal predecessors, (889), 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 02:57:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 889 transitions. [2024-11-07 02:57:43,977 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 889 transitions. Word has length 110 [2024-11-07 02:57:43,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:43,977 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 889 transitions. [2024-11-07 02:57:43,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 02:57:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 889 transitions. [2024-11-07 02:57:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 02:57:43,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:43,978 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] [2024-11-07 02:57:43,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 02:57:43,978 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:43,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:43,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1789769743, now seen corresponding path program 1 times [2024-11-07 02:57:43,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:43,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908838775] [2024-11-07 02:57:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:43,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:44,235 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 02:57:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908838775] [2024-11-07 02:57:44,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908838775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:44,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:44,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 02:57:44,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963780894] [2024-11-07 02:57:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:44,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 02:57:44,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:44,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 02:57:44,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:57:44,237 INFO L87 Difference]: Start difference. First operand 625 states and 889 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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 02:57:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:44,301 INFO L93 Difference]: Finished difference Result 1308 states and 1867 transitions. [2024-11-07 02:57:44,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 02:57:44,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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 111 [2024-11-07 02:57:44,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:44,304 INFO L225 Difference]: With dead ends: 1308 [2024-11-07 02:57:44,305 INFO L226 Difference]: Without dead ends: 897 [2024-11-07 02:57:44,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-07 02:57:44,306 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 674 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:44,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 1803 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:44,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-11-07 02:57:44,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 682. [2024-11-07 02:57:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 681 states have (on average 1.42143906020558) internal successors, (968), 681 states have internal predecessors, (968), 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 02:57:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 968 transitions. [2024-11-07 02:57:44,317 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 968 transitions. Word has length 111 [2024-11-07 02:57:44,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:44,317 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 968 transitions. [2024-11-07 02:57:44,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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 02:57:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 968 transitions. [2024-11-07 02:57:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 02:57:44,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:44,318 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] [2024-11-07 02:57:44,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 02:57:44,318 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:44,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:44,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1205880070, now seen corresponding path program 1 times [2024-11-07 02:57:44,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:44,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383539540] [2024-11-07 02:57:44,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:44,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:44,701 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 02:57:44,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:44,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383539540] [2024-11-07 02:57:44,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383539540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:44,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:44,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:44,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057641072] [2024-11-07 02:57:44,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:44,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:44,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:44,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:44,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:44,702 INFO L87 Difference]: Start difference. First operand 682 states and 968 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 02:57:44,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:44,722 INFO L93 Difference]: Finished difference Result 1126 states and 1606 transitions. [2024-11-07 02:57:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:44,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 111 [2024-11-07 02:57:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:44,724 INFO L225 Difference]: With dead ends: 1126 [2024-11-07 02:57:44,724 INFO L226 Difference]: Without dead ends: 680 [2024-11-07 02:57:44,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:44,728 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 0 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:44,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1377 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-07 02:57:44,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2024-11-07 02:57:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.4167893961708395) internal successors, (962), 679 states have internal predecessors, (962), 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 02:57:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 962 transitions. [2024-11-07 02:57:44,740 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 962 transitions. Word has length 111 [2024-11-07 02:57:44,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:44,740 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 962 transitions. [2024-11-07 02:57:44,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 02:57:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 962 transitions. [2024-11-07 02:57:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 02:57:44,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:44,741 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] [2024-11-07 02:57:44,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 02:57:44,742 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:44,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:44,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1874444010, now seen corresponding path program 1 times [2024-11-07 02:57:44,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:44,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272357511] [2024-11-07 02:57:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:44,974 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 02:57:44,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:44,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272357511] [2024-11-07 02:57:44,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272357511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:44,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:44,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:44,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880171980] [2024-11-07 02:57:44,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:44,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:44,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:44,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:44,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:44,976 INFO L87 Difference]: Start difference. First operand 680 states and 962 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 02:57:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:45,000 INFO L93 Difference]: Finished difference Result 1120 states and 1592 transitions. [2024-11-07 02:57:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:45,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 111 [2024-11-07 02:57:45,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:45,002 INFO L225 Difference]: With dead ends: 1120 [2024-11-07 02:57:45,002 INFO L226 Difference]: Without dead ends: 680 [2024-11-07 02:57:45,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:45,003 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:45,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1814 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:45,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-07 02:57:45,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2024-11-07 02:57:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.4138438880706923) internal successors, (960), 679 states have internal predecessors, (960), 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 02:57:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 960 transitions. [2024-11-07 02:57:45,010 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 960 transitions. Word has length 111 [2024-11-07 02:57:45,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:45,011 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 960 transitions. [2024-11-07 02:57:45,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 02:57:45,011 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 960 transitions. [2024-11-07 02:57:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 02:57:45,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:45,012 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 02:57:45,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 02:57:45,013 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:45,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash -995380728, now seen corresponding path program 1 times [2024-11-07 02:57:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:45,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102734458] [2024-11-07 02:57:45,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:45,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:45,137 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 02:57:45,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:45,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102734458] [2024-11-07 02:57:45,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102734458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:45,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:45,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:45,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056607406] [2024-11-07 02:57:45,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:45,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:45,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:45,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:45,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:45,139 INFO L87 Difference]: Start difference. First operand 680 states and 960 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 02:57:45,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:45,176 INFO L93 Difference]: Finished difference Result 1181 states and 1666 transitions. [2024-11-07 02:57:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:45,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 111 [2024-11-07 02:57:45,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:45,178 INFO L225 Difference]: With dead ends: 1181 [2024-11-07 02:57:45,178 INFO L226 Difference]: Without dead ends: 563 [2024-11-07 02:57:45,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 02:57:45,179 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 425 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:45,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 891 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:45,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-07 02:57:45,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2024-11-07 02:57:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 562 states have (on average 1.407473309608541) internal successors, (791), 562 states have internal predecessors, (791), 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 02:57:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 791 transitions. [2024-11-07 02:57:45,187 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 791 transitions. Word has length 111 [2024-11-07 02:57:45,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:45,188 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 791 transitions. [2024-11-07 02:57:45,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 02:57:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 791 transitions. [2024-11-07 02:57:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-07 02:57:45,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:45,189 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] [2024-11-07 02:57:45,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 02:57:45,189 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:45,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1790930442, now seen corresponding path program 1 times [2024-11-07 02:57:45,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:45,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191093608] [2024-11-07 02:57:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:45,719 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 02:57:45,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:45,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191093608] [2024-11-07 02:57:45,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191093608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:45,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:45,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 02:57:45,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668227813] [2024-11-07 02:57:45,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:45,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 02:57:45,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:45,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 02:57:45,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 02:57:45,720 INFO L87 Difference]: Start difference. First operand 563 states and 791 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 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 02:57:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:45,835 INFO L93 Difference]: Finished difference Result 1159 states and 1645 transitions. [2024-11-07 02:57:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 02:57:45,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2024-11-07 02:57:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:45,838 INFO L225 Difference]: With dead ends: 1159 [2024-11-07 02:57:45,838 INFO L226 Difference]: Without dead ends: 731 [2024-11-07 02:57:45,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-07 02:57:45,841 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 939 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:45,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 2221 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-07 02:57:45,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 565. [2024-11-07 02:57:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 564 states have (on average 1.4060283687943262) internal successors, (793), 564 states have internal predecessors, (793), 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 02:57:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 793 transitions. [2024-11-07 02:57:45,852 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 793 transitions. Word has length 112 [2024-11-07 02:57:45,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:45,852 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 793 transitions. [2024-11-07 02:57:45,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 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 02:57:45,853 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 793 transitions. [2024-11-07 02:57:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-07 02:57:45,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:45,853 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] [2024-11-07 02:57:45,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 02:57:45,854 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:45,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash 200753853, now seen corresponding path program 1 times [2024-11-07 02:57:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046274098] [2024-11-07 02:57:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:46,319 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 02:57:46,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:46,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046274098] [2024-11-07 02:57:46,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046274098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:46,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:46,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 02:57:46,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53790364] [2024-11-07 02:57:46,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:46,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 02:57:46,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:46,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 02:57:46,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 02:57:46,321 INFO L87 Difference]: Start difference. First operand 565 states and 793 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 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 02:57:46,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:46,833 INFO L93 Difference]: Finished difference Result 1194 states and 1698 transitions. [2024-11-07 02:57:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 02:57:46,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 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 112 [2024-11-07 02:57:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:46,839 INFO L225 Difference]: With dead ends: 1194 [2024-11-07 02:57:46,839 INFO L226 Difference]: Without dead ends: 769 [2024-11-07 02:57:46,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-07 02:57:46,849 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 1114 mSDsluCounter, 2503 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:46,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 2920 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 02:57:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-07 02:57:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 569. [2024-11-07 02:57:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 568 states have (on average 1.4049295774647887) internal successors, (798), 568 states have internal predecessors, (798), 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 02:57:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 798 transitions. [2024-11-07 02:57:46,856 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 798 transitions. Word has length 112 [2024-11-07 02:57:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:46,856 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 798 transitions. [2024-11-07 02:57:46,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 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 02:57:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 798 transitions. [2024-11-07 02:57:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 02:57:46,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:46,857 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] [2024-11-07 02:57:46,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 02:57:46,857 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:46,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:46,857 INFO L85 PathProgramCache]: Analyzing trace with hash -792120110, now seen corresponding path program 1 times [2024-11-07 02:57:46,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:46,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894802703] [2024-11-07 02:57:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:46,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:47,051 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 02:57:47,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:47,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894802703] [2024-11-07 02:57:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894802703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:47,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:47,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:57:47,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569953402] [2024-11-07 02:57:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:47,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:57:47,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:47,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:57:47,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:47,054 INFO L87 Difference]: Start difference. First operand 569 states and 798 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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 02:57:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:47,093 INFO L93 Difference]: Finished difference Result 1000 states and 1414 transitions. [2024-11-07 02:57:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 02:57:47,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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 113 [2024-11-07 02:57:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:47,095 INFO L225 Difference]: With dead ends: 1000 [2024-11-07 02:57:47,095 INFO L226 Difference]: Without dead ends: 575 [2024-11-07 02:57:47,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:47,098 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 2 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:47,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1797 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:47,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-07 02:57:47,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 574. [2024-11-07 02:57:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 573 states have (on average 1.4031413612565444) internal successors, (804), 573 states have internal predecessors, (804), 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 02:57:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 804 transitions. [2024-11-07 02:57:47,105 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 804 transitions. Word has length 113 [2024-11-07 02:57:47,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:47,106 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 804 transitions. [2024-11-07 02:57:47,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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 02:57:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 804 transitions. [2024-11-07 02:57:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 02:57:47,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:47,107 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] [2024-11-07 02:57:47,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 02:57:47,108 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:47,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:47,108 INFO L85 PathProgramCache]: Analyzing trace with hash -446082194, now seen corresponding path program 1 times [2024-11-07 02:57:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756042190] [2024-11-07 02:57:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:47,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:47,535 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 02:57:47,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:57:47,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756042190] [2024-11-07 02:57:47,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756042190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:47,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:47,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:47,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616436433] [2024-11-07 02:57:47,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:47,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:47,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:57:47,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:47,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:47,537 INFO L87 Difference]: Start difference. First operand 574 states and 804 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 02:57:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:47,553 INFO L93 Difference]: Finished difference Result 1007 states and 1422 transitions. [2024-11-07 02:57:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:47,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 113 [2024-11-07 02:57:47,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:47,554 INFO L225 Difference]: With dead ends: 1007 [2024-11-07 02:57:47,554 INFO L226 Difference]: Without dead ends: 567 [2024-11-07 02:57:47,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:47,555 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 0 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:47,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1356 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:57:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-07 02:57:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2024-11-07 02:57:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 566 states have (on average 1.4028268551236749) internal successors, (794), 566 states have internal predecessors, (794), 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 02:57:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 794 transitions. [2024-11-07 02:57:47,563 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 794 transitions. Word has length 113 [2024-11-07 02:57:47,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:47,564 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 794 transitions. [2024-11-07 02:57:47,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 02:57:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 794 transitions. [2024-11-07 02:57:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 02:57:47,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:47,564 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] [2024-11-07 02:57:47,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 02:57:47,564 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:47,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:47,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1413382470, now seen corresponding path program 1 times [2024-11-07 02:57:47,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:57:47,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371879594] [2024-11-07 02:57:47,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:47,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:57:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 02:57:47,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 02:57:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 02:57:47,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 02:57:47,808 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 02:57:47,809 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 02:57:47,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 02:57:47,812 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-07 02:57:47,897 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 02:57:47,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:57:47 BoogieIcfgContainer [2024-11-07 02:57:47,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 02:57:47,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 02:57:47,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 02:57:47,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 02:57:47,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:26" (3/4) ... [2024-11-07 02:57:47,902 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 02:57:47,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 02:57:47,903 INFO L158 Benchmark]: Toolchain (without parser) took 23755.91ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 92.2MB in the beginning and 839.7MB in the end (delta: -747.4MB). Peak memory consumption was 302.1MB. Max. memory is 16.1GB. [2024-11-07 02:57:47,903 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 02:57:47,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.96ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 41.0MB in the end (delta: 51.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-07 02:57:47,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.75ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 51.3MB in the end (delta: -10.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-07 02:57:47,903 INFO L158 Benchmark]: Boogie Preprocessor took 253.93ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 60.5MB in the end (delta: -9.2MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-11-07 02:57:47,904 INFO L158 Benchmark]: RCFGBuilder took 1822.37ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 60.5MB in the beginning and 134.8MB in the end (delta: -74.3MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. [2024-11-07 02:57:47,904 INFO L158 Benchmark]: TraceAbstraction took 21007.72ms. Allocated memory was 260.0MB in the beginning and 1.2GB in the end (delta: 906.0MB). Free memory was 134.8MB in the beginning and 839.8MB in the end (delta: -705.1MB). Peak memory consumption was 205.1MB. Max. memory is 16.1GB. [2024-11-07 02:57:47,904 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 1.2GB. Free memory was 839.8MB in the beginning and 839.7MB in the end (delta: 129.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 02:57:47,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.96ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 41.0MB in the end (delta: 51.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.75ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 51.3MB in the end (delta: -10.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 253.93ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 60.5MB in the end (delta: -9.2MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1822.37ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 60.5MB in the beginning and 134.8MB in the end (delta: -74.3MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21007.72ms. Allocated memory was 260.0MB in the beginning and 1.2GB in the end (delta: 906.0MB). Free memory was 134.8MB in the beginning and 839.8MB in the end (delta: -705.1MB). Peak memory consumption was 205.1MB. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 1.2GB. Free memory was 839.8MB in the beginning and 839.7MB in the end (delta: 129.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 397, overapproximation of bitwiseAnd at line 437. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 2); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (2 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 4); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (4 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L38] const SORT_10 var_11 = 0; [L39] const SORT_1 var_14 = 0; [L40] const SORT_4 var_16 = 0; [L41] const SORT_9 var_33 = 8; [L42] const SORT_9 var_40 = 7; [L43] const SORT_4 var_52 = 1; [L44] const SORT_1 var_56 = 1; [L45] const SORT_4 var_66 = 2; [L46] const SORT_9 var_72 = 0; [L47] const SORT_4 var_79 = 3; [L48] const SORT_9 var_98 = 5; [L49] const SORT_10 var_120 = 1; [L50] const SORT_9 var_122 = 15; [L51] const SORT_9 var_150 = 6; [L52] const SORT_9 var_315 = 1; [L54] SORT_1 input_2; [L55] SORT_1 input_3; [L56] SORT_4 input_5; [L57] SORT_1 input_6; [L58] SORT_1 input_7; [L59] SORT_1 input_8; [L60] SORT_4 input_103; [L61] SORT_10 input_116; [L62] SORT_10 input_117; [L63] SORT_10 input_118; [L64] SORT_10 input_119; [L65] SORT_10 input_128; [L66] SORT_10 input_135; [L67] SORT_10 input_142; [L68] SORT_10 input_143; [L69] SORT_10 input_144; [L70] SORT_10 input_149; [L71] SORT_10 input_153; [L72] SORT_10 input_159; [L73] SORT_4 input_174; [L74] SORT_4 input_175; [L75] SORT_4 input_176; [L76] SORT_4 input_177; [L77] SORT_4 input_184; [L78] SORT_4 input_187; [L79] SORT_4 input_195; [L80] SORT_4 input_202; [L81] SORT_4 input_203; [L82] SORT_4 input_204; [L83] SORT_4 input_207; [L84] SORT_4 input_209; [L85] SORT_4 input_214; [L86] SORT_4 input_223; [L87] SORT_1 input_235; [L88] SORT_1 input_236; [L89] SORT_1 input_237; [L90] SORT_1 input_238; [L91] SORT_1 input_245; [L92] SORT_1 input_248; [L93] SORT_1 input_251; [L94] SORT_1 input_261; [L95] SORT_4 input_276; [L96] SORT_4 input_280; [L97] SORT_4 input_281; [L98] SORT_4 input_282; [L99] SORT_4 input_283; [L100] SORT_4 input_287; [L101] SORT_4 input_292; [L102] SORT_4 input_301; [L103] SORT_9 input_311; [L104] SORT_9 input_312; [L105] SORT_9 input_313; [L106] SORT_9 input_314; [L107] SORT_9 input_320; [L108] SORT_9 input_326; [L109] SORT_9 input_333; [L110] SORT_9 input_334; [L111] SORT_9 input_335; [L112] SORT_9 input_338; [L113] SORT_9 input_340; [L114] SORT_9 input_344; [L115] SORT_9 input_345; [L116] SORT_9 input_349; [L117] SORT_9 input_354; [L118] SORT_9 input_372; [L119] SORT_9 input_373; [L120] SORT_9 input_374; [L121] SORT_9 input_375; [L122] SORT_9 input_380; [L123] SORT_9 input_383; [L124] SORT_9 input_391; [L125] SORT_9 input_398; [L126] SORT_9 input_399; [L127] SORT_9 input_400; [L128] SORT_9 input_403; [L129] SORT_9 input_405; [L130] SORT_9 input_410; [L131] SORT_9 input_419; [L132] SORT_9 input_430; [L133] SORT_9 input_431; [L134] SORT_9 input_432; [L135] SORT_9 input_433; [L136] SORT_9 input_438; [L137] SORT_9 input_441; [L138] SORT_9 input_444; [L139] SORT_9 input_454; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L141] SORT_10 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L142] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L143] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L144] SORT_4 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L145] SORT_9 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L146] SORT_4 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L147] SORT_9 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L148] SORT_9 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L150] SORT_10 init_13_arg_1 = var_11; [L151] state_12 = init_13_arg_1 [L152] SORT_4 init_18_arg_1 = var_16; [L153] state_17 = init_18_arg_1 [L154] SORT_1 init_23_arg_1 = var_14; [L155] state_22 = init_23_arg_1 [L156] SORT_4 init_51_arg_1 = var_16; [L157] state_50 = init_51_arg_1 [L158] SORT_9 init_74_arg_1 = var_72; [L159] state_73 = init_74_arg_1 [L160] SORT_9 init_112_arg_1 = var_72; [L161] state_111 = init_112_arg_1 [L162] SORT_9 init_114_arg_1 = var_72; [L163] state_113 = init_114_arg_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L166] input_2 = __VERIFIER_nondet_uchar() [L167] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L167] input_2 = input_2 & mask_SORT_1 [L168] input_3 = __VERIFIER_nondet_uchar() [L169] input_5 = __VERIFIER_nondet_uchar() [L170] input_6 = __VERIFIER_nondet_uchar() [L171] EXPR input_6 & mask_SORT_1 VAL [input_2=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L171] input_6 = input_6 & mask_SORT_1 [L172] input_7 = __VERIFIER_nondet_uchar() [L173] EXPR input_7 & mask_SORT_1 VAL [input_2=0, input_6=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L173] input_7 = input_7 & mask_SORT_1 [L174] input_8 = __VERIFIER_nondet_uchar() [L175] EXPR input_8 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L175] input_8 = input_8 & mask_SORT_1 [L176] input_103 = __VERIFIER_nondet_uchar() [L177] input_116 = __VERIFIER_nondet_uchar() [L178] input_117 = __VERIFIER_nondet_uchar() [L179] input_118 = __VERIFIER_nondet_uchar() [L180] input_119 = __VERIFIER_nondet_uchar() [L181] input_128 = __VERIFIER_nondet_uchar() [L182] input_135 = __VERIFIER_nondet_uchar() [L183] input_142 = __VERIFIER_nondet_uchar() [L184] input_143 = __VERIFIER_nondet_uchar() [L185] input_144 = __VERIFIER_nondet_uchar() [L186] input_149 = __VERIFIER_nondet_uchar() [L187] input_153 = __VERIFIER_nondet_uchar() [L188] input_159 = __VERIFIER_nondet_uchar() [L189] input_174 = __VERIFIER_nondet_uchar() [L190] input_175 = __VERIFIER_nondet_uchar() [L191] input_176 = __VERIFIER_nondet_uchar() [L192] input_177 = __VERIFIER_nondet_uchar() [L193] input_184 = __VERIFIER_nondet_uchar() [L194] input_187 = __VERIFIER_nondet_uchar() [L195] input_195 = __VERIFIER_nondet_uchar() [L196] input_202 = __VERIFIER_nondet_uchar() [L197] input_203 = __VERIFIER_nondet_uchar() [L198] input_204 = __VERIFIER_nondet_uchar() [L199] input_207 = __VERIFIER_nondet_uchar() [L200] input_209 = __VERIFIER_nondet_uchar() [L201] input_214 = __VERIFIER_nondet_uchar() [L202] input_223 = __VERIFIER_nondet_uchar() [L203] input_235 = __VERIFIER_nondet_uchar() [L204] input_236 = __VERIFIER_nondet_uchar() [L205] input_237 = __VERIFIER_nondet_uchar() [L206] input_238 = __VERIFIER_nondet_uchar() [L207] input_245 = __VERIFIER_nondet_uchar() [L208] input_248 = __VERIFIER_nondet_uchar() [L209] input_251 = __VERIFIER_nondet_uchar() [L210] input_261 = __VERIFIER_nondet_uchar() [L211] input_276 = __VERIFIER_nondet_uchar() [L212] input_280 = __VERIFIER_nondet_uchar() [L213] input_281 = __VERIFIER_nondet_uchar() [L214] input_282 = __VERIFIER_nondet_uchar() [L215] input_283 = __VERIFIER_nondet_uchar() [L216] input_287 = __VERIFIER_nondet_uchar() [L217] input_292 = __VERIFIER_nondet_uchar() [L218] input_301 = __VERIFIER_nondet_uchar() [L219] input_311 = __VERIFIER_nondet_uchar() [L220] input_312 = __VERIFIER_nondet_uchar() [L221] input_313 = __VERIFIER_nondet_uchar() [L222] input_314 = __VERIFIER_nondet_uchar() [L223] input_320 = __VERIFIER_nondet_uchar() [L224] input_326 = __VERIFIER_nondet_uchar() [L225] input_333 = __VERIFIER_nondet_uchar() [L226] input_334 = __VERIFIER_nondet_uchar() [L227] input_335 = __VERIFIER_nondet_uchar() [L228] input_338 = __VERIFIER_nondet_uchar() [L229] input_340 = __VERIFIER_nondet_uchar() [L230] input_344 = __VERIFIER_nondet_uchar() [L231] input_345 = __VERIFIER_nondet_uchar() [L232] input_349 = __VERIFIER_nondet_uchar() [L233] input_354 = __VERIFIER_nondet_uchar() [L234] input_372 = __VERIFIER_nondet_uchar() [L235] input_373 = __VERIFIER_nondet_uchar() [L236] input_374 = __VERIFIER_nondet_uchar() [L237] input_375 = __VERIFIER_nondet_uchar() [L238] input_380 = __VERIFIER_nondet_uchar() [L239] input_383 = __VERIFIER_nondet_uchar() [L240] input_391 = __VERIFIER_nondet_uchar() [L241] input_398 = __VERIFIER_nondet_uchar() [L242] input_399 = __VERIFIER_nondet_uchar() [L243] input_400 = __VERIFIER_nondet_uchar() [L244] input_403 = __VERIFIER_nondet_uchar() [L245] input_405 = __VERIFIER_nondet_uchar() [L246] input_410 = __VERIFIER_nondet_uchar() [L247] input_419 = __VERIFIER_nondet_uchar() [L248] input_430 = __VERIFIER_nondet_uchar() [L249] input_431 = __VERIFIER_nondet_uchar() [L250] input_432 = __VERIFIER_nondet_uchar() [L251] input_433 = __VERIFIER_nondet_uchar() [L252] input_438 = __VERIFIER_nondet_uchar() [L253] input_441 = __VERIFIER_nondet_uchar() [L254] input_444 = __VERIFIER_nondet_uchar() [L255] input_454 = __VERIFIER_nondet_uchar() [L258] SORT_1 var_15_arg_0 = var_14; [L259] SORT_10 var_15_arg_1 = state_12; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L260] EXPR ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L260] SORT_9 var_15 = ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1; [L261] SORT_4 var_19_arg_0 = state_17; [L262] SORT_1 var_19_arg_1 = var_14; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_19_arg_0=0, var_19_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L263] EXPR ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L263] SORT_10 var_19 = ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1; [L264] EXPR var_19 & mask_SORT_10 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L264] var_19 = var_19 & mask_SORT_10 [L265] SORT_1 var_20_arg_0 = var_14; [L266] SORT_10 var_20_arg_1 = var_19; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_20_arg_0=0, var_20_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L267] EXPR ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L267] SORT_9 var_20 = ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1; [L268] SORT_9 var_21_arg_0 = var_15; [L269] SORT_9 var_21_arg_1 = var_20; [L270] SORT_9 var_21 = var_21_arg_0 + var_21_arg_1; [L271] SORT_1 var_24_arg_0 = var_14; [L272] SORT_1 var_24_arg_1 = state_22; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_24_arg_0=0, var_24_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L273] EXPR ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L273] SORT_4 var_24 = ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1; [L274] EXPR var_24 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L274] var_24 = var_24 & mask_SORT_4 [L275] SORT_1 var_25_arg_0 = state_22; [L276] SORT_4 var_25_arg_1 = var_24; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_25_arg_0=0, var_25_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L277] EXPR ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L277] SORT_10 var_25 = ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1; [L278] EXPR var_25 & mask_SORT_10 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L278] var_25 = var_25 & mask_SORT_10 [L279] SORT_1 var_26_arg_0 = var_14; [L280] SORT_10 var_26_arg_1 = var_25; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_26_arg_0=0, var_26_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L281] EXPR ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L281] SORT_9 var_26 = ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1; [L282] SORT_9 var_27_arg_0 = var_21; [L283] SORT_9 var_27_arg_1 = var_26; [L284] SORT_9 var_27 = var_27_arg_0 + var_27_arg_1; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L285] EXPR var_27 & mask_SORT_9 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L285] var_27 = var_27 & mask_SORT_9 [L286] SORT_9 var_28_arg_0 = var_27; [L287] SORT_1 var_28 = var_28_arg_0 >> 3; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L288] EXPR var_28 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L288] var_28 = var_28 & mask_SORT_1 [L289] SORT_1 var_29_arg_0 = var_28; [L290] SORT_1 var_29_arg_1 = var_14; [L291] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L292] SORT_9 var_30_arg_0 = var_27; [L293] SORT_4 var_30 = var_30_arg_0 >> 1; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_29=1, var_30=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L294] EXPR var_30 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_29=1, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L294] var_30 = var_30 & mask_SORT_4 [L295] SORT_4 var_31_arg_0 = var_30; [L296] SORT_4 var_31_arg_1 = var_16; [L297] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L298] SORT_1 var_32_arg_0 = var_29; [L299] SORT_1 var_32_arg_1 = var_31; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32_arg_0=1, var_32_arg_1=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L300] EXPR var_32_arg_0 | var_32_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L300] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L301] SORT_9 var_34_arg_0 = var_27; [L302] SORT_9 var_34_arg_1 = var_33; [L303] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L304] SORT_1 var_35_arg_0 = var_34; [L305] SORT_1 var_35 = ~var_35_arg_0; [L306] SORT_10 var_36_arg_0 = state_12; [L307] SORT_10 var_36_arg_1 = var_11; [L308] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L309] SORT_1 var_37_arg_0 = var_36; [L310] SORT_1 var_37 = ~var_37_arg_0; [L311] SORT_1 var_38_arg_0 = var_35; [L312] SORT_1 var_38_arg_1 = var_37; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32=1, var_33=8, var_38_arg_0=-1, var_38_arg_1=-2, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L313] EXPR var_38_arg_0 | var_38_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L313] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L314] SORT_1 var_39_arg_0 = var_32; [L315] SORT_1 var_39_arg_1 = var_38; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39_arg_0=1, var_39_arg_1=256, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L316] EXPR var_39_arg_0 & var_39_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L316] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L317] SORT_9 var_41_arg_0 = var_27; [L318] SORT_9 var_41_arg_1 = var_40; [L319] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L320] SORT_1 var_42_arg_0 = var_41; [L321] SORT_1 var_42 = ~var_42_arg_0; [L322] SORT_10 var_43_arg_0 = state_12; [L323] SORT_10 var_43_arg_1 = var_11; [L324] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L325] SORT_1 var_44_arg_0 = var_43; [L326] SORT_1 var_44 = ~var_44_arg_0; [L327] SORT_4 var_45_arg_0 = state_17; [L328] SORT_4 var_45_arg_1 = var_16; [L329] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L330] SORT_1 var_46_arg_0 = var_45; [L331] SORT_1 var_46 = ~var_46_arg_0; [L332] SORT_1 var_47_arg_0 = var_44; [L333] SORT_1 var_47_arg_1 = var_46; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_42=-1, var_47_arg_0=-2, var_47_arg_1=-2, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L334] EXPR var_47_arg_0 | var_47_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_42=-1, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L334] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L335] SORT_1 var_48_arg_0 = var_42; [L336] SORT_1 var_48_arg_1 = var_47; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_48_arg_0=-1, var_48_arg_1=254, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L337] EXPR var_48_arg_0 | var_48_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L337] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L338] SORT_1 var_49_arg_0 = var_39; [L339] SORT_1 var_49_arg_1 = var_48; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49_arg_0=0, var_49_arg_1=256, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L340] EXPR var_49_arg_0 & var_49_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L340] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L341] SORT_4 var_53_arg_0 = state_50; [L342] SORT_4 var_53_arg_1 = var_52; [L343] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L344] SORT_9 var_54_arg_0 = var_27; [L345] SORT_9 var_54_arg_1 = var_40; [L346] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L347] SORT_1 var_55_arg_0 = var_53; [L348] SORT_1 var_55_arg_1 = var_54; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L349] EXPR var_55_arg_0 & var_55_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L349] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L350] SORT_1 var_57_arg_0 = var_28; [L351] SORT_1 var_57_arg_1 = var_56; [L352] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L353] SORT_1 var_58_arg_0 = var_55; [L354] SORT_1 var_58_arg_1 = var_57; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_58_arg_0=0, var_58_arg_1=0, var_66=2, var_72=0, var_79=3, var_98=5] [L355] EXPR var_58_arg_0 | var_58_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L355] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L356] SORT_1 var_59_arg_0 = var_58; [L357] SORT_1 var_59 = ~var_59_arg_0; [L358] SORT_10 var_60_arg_0 = state_12; [L359] SORT_10 var_60_arg_1 = var_11; [L360] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L361] SORT_4 var_61_arg_0 = state_17; [L362] SORT_4 var_61_arg_1 = var_16; [L363] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L364] SORT_1 var_62_arg_0 = var_60; [L365] SORT_1 var_62_arg_1 = var_61; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_59=-1, var_62_arg_0=1, var_62_arg_1=1, var_66=2, var_72=0, var_79=3, var_98=5] [L366] EXPR var_62_arg_0 & var_62_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_59=-1, var_66=2, var_72=0, var_79=3, var_98=5] [L366] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L367] SORT_1 var_63_arg_0 = var_62; [L368] SORT_1 var_63 = ~var_63_arg_0; [L369] SORT_1 var_64_arg_0 = var_59; [L370] SORT_1 var_64_arg_1 = var_63; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_64_arg_0=-1, var_64_arg_1=-2, var_66=2, var_72=0, var_79=3, var_98=5] [L371] EXPR var_64_arg_0 | var_64_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L371] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L372] SORT_1 var_65_arg_0 = var_49; [L373] SORT_1 var_65_arg_1 = var_64; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65_arg_0=0, var_65_arg_1=256, var_66=2, var_72=0, var_79=3, var_98=5] [L374] EXPR var_65_arg_0 & var_65_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L374] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L375] SORT_4 var_67_arg_0 = state_50; [L376] SORT_4 var_67_arg_1 = var_66; [L377] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L378] SORT_1 var_68_arg_0 = var_67; [L379] SORT_1 var_68 = ~var_68_arg_0; [L380] SORT_1 var_69_arg_0 = state_22; [L381] SORT_1 var_69_arg_1 = var_14; [L382] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L383] SORT_10 var_70_arg_0 = state_12; [L384] SORT_10 var_70_arg_1 = var_11; [L385] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L386] SORT_1 var_71_arg_0 = var_69; [L387] SORT_1 var_71_arg_1 = var_70; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_71_arg_0=1, var_71_arg_1=1, var_72=0, var_79=3, var_98=5] [L388] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_79=3, var_98=5] [L388] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L389] SORT_9 var_75_arg_0 = state_73; [L390] SORT_9 var_75_arg_1 = var_72; [L391] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L392] SORT_1 var_76_arg_0 = var_71; [L393] SORT_1 var_76_arg_1 = var_75; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_76_arg_0=1, var_76_arg_1=1, var_79=3, var_98=5] [L394] EXPR var_76_arg_0 & var_76_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_79=3, var_98=5] [L394] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L395] SORT_1 var_77_arg_0 = var_68; [L396] SORT_1 var_77_arg_1 = var_76; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_72=0, var_77_arg_0=-1, var_77_arg_1=1, var_79=3, var_98=5] [L397] EXPR var_77_arg_0 | var_77_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_72=0, var_79=3, var_98=5] [L397] SORT_1 var_77 = var_77_arg_0 | var_77_arg_1; [L398] SORT_1 var_78_arg_0 = var_65; [L399] SORT_1 var_78_arg_1 = var_77; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78_arg_0=0, var_78_arg_1=256, var_79=3, var_98=5] [L400] EXPR var_78_arg_0 & var_78_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L400] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L401] SORT_4 var_80_arg_0 = state_50; [L402] SORT_4 var_80_arg_1 = var_79; [L403] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L404] SORT_1 var_81_arg_0 = var_80; [L405] SORT_1 var_81 = ~var_81_arg_0; [L406] SORT_9 var_82_arg_0 = var_27; [L407] SORT_4 var_82 = var_82_arg_0 >> 2; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_82=0, var_98=5] [L408] EXPR var_82 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_98=5] [L408] var_82 = var_82 & mask_SORT_4 [L409] SORT_4 var_83_arg_0 = var_82; [L410] SORT_4 var_83_arg_1 = var_52; [L411] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L412] SORT_9 var_84_arg_0 = var_27; [L413] SORT_4 var_84 = var_84_arg_0 >> 0; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_84=0, var_98=5] [L414] EXPR var_84 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_98=5] [L414] var_84 = var_84 & mask_SORT_4 [L415] SORT_4 var_85_arg_0 = var_84; [L416] SORT_4 var_85_arg_1 = var_52; [L417] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L418] SORT_4 var_86_arg_0 = var_84; [L419] SORT_4 var_86_arg_1 = var_66; [L420] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L421] SORT_1 var_87_arg_0 = var_85; [L422] SORT_1 var_87_arg_1 = var_86; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_87_arg_0=0, var_87_arg_1=0, var_98=5] [L423] EXPR var_87_arg_0 | var_87_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_98=5] [L423] SORT_1 var_87 = var_87_arg_0 | var_87_arg_1; [L424] SORT_1 var_88_arg_0 = var_83; [L425] SORT_1 var_88_arg_1 = var_87; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_88_arg_0=0, var_88_arg_1=0, var_98=5] [L426] EXPR var_88_arg_0 & var_88_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_98=5] [L426] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L427] SORT_1 var_89_arg_0 = var_81; [L428] SORT_1 var_89_arg_1 = var_88; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_89_arg_0=-1, var_89_arg_1=0, var_98=5] [L429] EXPR var_89_arg_0 | var_89_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_98=5] [L429] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L430] SORT_1 var_90_arg_0 = var_78; [L431] SORT_1 var_90_arg_1 = var_89; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_90_arg_0=0, var_90_arg_1=255, var_98=5] [L432] EXPR var_90_arg_0 & var_90_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L432] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L433] SORT_1 var_93_arg_0 = var_90; [L434] SORT_1 var_93 = ~var_93_arg_0; [L435] SORT_1 var_94_arg_0 = var_56; [L436] SORT_1 var_94_arg_1 = var_93; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_94_arg_0=1, var_94_arg_1=-1, var_98=5] [L437] EXPR var_94_arg_0 & var_94_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L437] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L438] EXPR var_94 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L438] var_94 = var_94 & mask_SORT_1 [L439] SORT_1 bad_95_arg_0 = var_94; [L440] CALL __VERIFIER_assert(!(bad_95_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 326 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 32, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15138 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15138 mSDsluCounter, 60636 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46519 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3647 IncrementalHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 14117 mSDtfsCounter, 3647 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=682occurred in iteration=19, InterpolantAutomatonStates: 190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 31 MinimizatonAttempts, 1804 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 3448 NumberOfCodeBlocks, 3448 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3303 ConstructedInterpolants, 0 QuantifiedInterpolants, 9705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 02:57:47,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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.h_Vending.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 02:57:50,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 02:57:50,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-07 02:57:50,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 02:57:50,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 02:57:50,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 02:57:50,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 02:57:50,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 02:57:50,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 02:57:50,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 02:57:50,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 02:57:50,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 02:57:50,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 02:57:50,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:57:50,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 02:57:50,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 02:57:50,281 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 -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-11-07 02:57:50,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 02:57:50,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 02:57:50,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 02:57:50,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 02:57:50,610 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 02:57:50,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-11-07 02:57:51,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 02:57:52,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 02:57:52,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-11-07 02:57:52,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/403b255d9/c07ff8811e4546da8dc199b6a6d94a2f/FLAG7762b6e54 [2024-11-07 02:57:52,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/403b255d9/c07ff8811e4546da8dc199b6a6d94a2f [2024-11-07 02:57:52,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 02:57:52,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 02:57:52,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 02:57:52,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 02:57:52,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 02:57:52,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:57:52" (1/1) ... [2024-11-07 02:57:52,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eac6fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:52, skipping insertion in model container [2024-11-07 02:57:52,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:57:52" (1/1) ... [2024-11-07 02:57:52,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 02:57:52,643 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.h_Vending.c[1249,1262] [2024-11-07 02:57:52,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:57:52,860 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 02:57:52,867 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.h_Vending.c[1249,1262] [2024-11-07 02:57:53,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:57:53,015 INFO L204 MainTranslator]: Completed translation [2024-11-07 02:57:53,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53 WrapperNode [2024-11-07 02:57:53,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 02:57:53,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 02:57:53,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 02:57:53,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 02:57:53,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,123 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1586 [2024-11-07 02:57:53,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 02:57:53,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 02:57:53,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 02:57:53,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 02:57:53,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,237 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 02:57:53,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 02:57:53,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 02:57:53,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 02:57:53,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 02:57:53,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (1/1) ... [2024-11-07 02:57:53,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:57:53,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 02:57:53,321 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 02:57:53,326 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 02:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 02:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 02:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 02:57:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 02:57:53,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 02:57:53,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 02:57:54,513 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-11-07 02:57:54,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 02:57:54,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 02:57:54,520 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 02:57:54,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:54 BoogieIcfgContainer [2024-11-07 02:57:54,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 02:57:54,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 02:57:54,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 02:57:54,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 02:57:54,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:57:52" (1/3) ... [2024-11-07 02:57:54,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f18954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:57:54, skipping insertion in model container [2024-11-07 02:57:54,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:57:53" (2/3) ... [2024-11-07 02:57:54,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f18954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:57:54, skipping insertion in model container [2024-11-07 02:57:54,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:54" (3/3) ... [2024-11-07 02:57:54,530 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-11-07 02:57:54,542 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 02:57:54,542 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 02:57:54,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 02:57:54,584 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;@6ddf1804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 02:57:54,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 02:57:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 02:57:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 02:57:54,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:54,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 02:57:54,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:54,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:54,597 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-07 02:57:54,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 02:57:54,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368770231] [2024-11-07 02:57:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:54,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 02:57:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 02:57:54,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 02:57:54,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 02:57:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:54,999 WARN L253 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-07 02:57:55,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 02:57:56,191 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 02:57:56,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 02:57:56,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 02:57:56,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368770231] [2024-11-07 02:57:56,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368770231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:57:56,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:57:56,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:57:56,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102053583] [2024-11-07 02:57:56,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:57:56,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:57:56,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 02:57:56,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:57:56,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:57:56,216 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 02:57:56,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:57:56,329 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-07 02:57:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:57:56,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-07 02:57:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:57:56,335 INFO L225 Difference]: With dead ends: 18 [2024-11-07 02:57:56,335 INFO L226 Difference]: Without dead ends: 10 [2024-11-07 02:57:56,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:57:56,340 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:57:56,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 02:57:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-07 02:57:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-07 02:57:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 02:57:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-07 02:57:56,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-07 02:57:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:57:56,361 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-07 02:57:56,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 02:57:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-07 02:57:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 02:57:56,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:57:56,362 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-07 02:57:56,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 02:57:56,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 02:57:56,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:57:56,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:57:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-07 02:57:56,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 02:57:56,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831849616] [2024-11-07 02:57:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:57:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 02:57:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 02:57:56,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 02:57:56,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 02:57:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:57:57,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 180 conjuncts are in the unsatisfiable core [2024-11-07 02:57:57,257 INFO L278 TraceCheckSpWp]: Computing forward predicates...