./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa'] 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/hardness-nfm22/hardness_codestructure_steplocals_file-81.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:25:59,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:25:59,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:25:59,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:25:59,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:25:59,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:25:59,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:25:59,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:25:59,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:25:59,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:25:59,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:25:59,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:25:59,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:25:59,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:25:59,705 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:25:59,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:25:59,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:25:59,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:25:59,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:25:59,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:25:59,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:25:59,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:25:59,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:25:59,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:25:59,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:25:59,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:25:59,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:25:59,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:25:59,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:25:59,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:25:59,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:25:59,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:25:59,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:25:59,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:25:59,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:25:59,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:25:59,709 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa [2024-11-07 04:25:59,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:25:59,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:25:59,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:25:59,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:25:59,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:25:59,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2024-11-07 04:26:01,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:26:01,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:26:01,487 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2024-11-07 04:26:01,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/266b41762/edb67ea7244a4e4a985437f72586347a/FLAGaa845ff08 [2024-11-07 04:26:01,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/266b41762/edb67ea7244a4e4a985437f72586347a [2024-11-07 04:26:01,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:26:01,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:26:01,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:26:01,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:26:01,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:26:01,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10177822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01, skipping insertion in model container [2024-11-07 04:26:01,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:26:01,675 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/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2024-11-07 04:26:01,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:26:01,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:26:01,782 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/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2024-11-07 04:26:01,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:26:01,844 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:26:01,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01 WrapperNode [2024-11-07 04:26:01,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:26:01,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:26:01,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:26:01,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:26:01,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,908 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2024-11-07 04:26:01,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:26:01,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:26:01,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:26:01,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:26:01,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,953 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 04:26:01,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:26:01,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:26:01,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:26:01,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:26:01,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (1/1) ... [2024-11-07 04:26:01,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:26:02,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:26:02,015 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 04:26:02,017 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 04:26:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:26:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:26:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:26:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:26:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:26:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:26:02,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:26:02,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:26:02,545 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 04:26:02,545 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:26:02,559 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:26:02,560 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:26:02,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:26:02 BoogieIcfgContainer [2024-11-07 04:26:02,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:26:02,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:26:02,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:26:02,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:26:02,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:26:01" (1/3) ... [2024-11-07 04:26:02,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c615e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:26:02, skipping insertion in model container [2024-11-07 04:26:02,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:26:01" (2/3) ... [2024-11-07 04:26:02,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c615e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:26:02, skipping insertion in model container [2024-11-07 04:26:02,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:26:02" (3/3) ... [2024-11-07 04:26:02,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-81.i [2024-11-07 04:26:02,582 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:26:02,582 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:26:02,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:26:02,652 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;@6d05e34e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:26:02,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:26:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 53 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 04:26:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 04:26:02,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:02,669 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:02,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:02,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:02,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2074884244, now seen corresponding path program 1 times [2024-11-07 04:26:02,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:02,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837906891] [2024-11-07 04:26:02,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:02,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:02,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:02,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:03,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:03,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837906891] [2024-11-07 04:26:03,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837906891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:03,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:03,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:26:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681193841] [2024-11-07 04:26:03,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:03,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:26:03,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:03,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:26:03,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:26:03,250 INFO L87 Difference]: Start difference. First operand has 87 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 53 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-07 04:26:03,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:03,284 INFO L93 Difference]: Finished difference Result 167 states and 294 transitions. [2024-11-07 04:26:03,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:26:03,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 197 [2024-11-07 04:26:03,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:03,296 INFO L225 Difference]: With dead ends: 167 [2024-11-07 04:26:03,296 INFO L226 Difference]: Without dead ends: 83 [2024-11-07 04:26:03,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:26:03,302 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:03,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:26:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-07 04:26:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-07 04:26:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 49 states have internal predecessors, (63), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 04:26:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 127 transitions. [2024-11-07 04:26:03,350 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 127 transitions. Word has length 197 [2024-11-07 04:26:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:03,352 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 127 transitions. [2024-11-07 04:26:03,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-07 04:26:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2024-11-07 04:26:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 04:26:03,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:03,357 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:03,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:26:03,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:03,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1708754796, now seen corresponding path program 1 times [2024-11-07 04:26:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:03,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019245464] [2024-11-07 04:26:03,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:15,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:15,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019245464] [2024-11-07 04:26:15,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019245464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:15,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:15,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 04:26:15,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045672899] [2024-11-07 04:26:15,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:15,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 04:26:15,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:15,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 04:26:15,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-07 04:26:15,295 INFO L87 Difference]: Start difference. First operand 83 states and 127 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:16,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:16,973 INFO L93 Difference]: Finished difference Result 267 states and 396 transitions. [2024-11-07 04:26:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 04:26:16,978 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-07 04:26:16,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:16,981 INFO L225 Difference]: With dead ends: 267 [2024-11-07 04:26:16,984 INFO L226 Difference]: Without dead ends: 187 [2024-11-07 04:26:16,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:26:16,986 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 225 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:16,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 536 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 04:26:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-07 04:26:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 95. [2024-11-07 04:26:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 04:26:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 146 transitions. [2024-11-07 04:26:17,011 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 146 transitions. Word has length 197 [2024-11-07 04:26:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:17,014 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 146 transitions. [2024-11-07 04:26:17,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2024-11-07 04:26:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 04:26:17,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:17,018 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:17,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 04:26:17,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:17,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1999406486, now seen corresponding path program 1 times [2024-11-07 04:26:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:17,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500501025] [2024-11-07 04:26:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:17,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:24,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:24,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500501025] [2024-11-07 04:26:24,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500501025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:24,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:24,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 04:26:24,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041981508] [2024-11-07 04:26:24,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:24,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 04:26:24,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:24,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 04:26:24,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:26:24,187 INFO L87 Difference]: Start difference. First operand 95 states and 146 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:25,518 INFO L93 Difference]: Finished difference Result 325 states and 480 transitions. [2024-11-07 04:26:25,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 04:26:25,519 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-07 04:26:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:25,523 INFO L225 Difference]: With dead ends: 325 [2024-11-07 04:26:25,523 INFO L226 Difference]: Without dead ends: 233 [2024-11-07 04:26:25,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2024-11-07 04:26:25,528 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 284 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:25,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 500 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 04:26:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-07 04:26:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 132. [2024-11-07 04:26:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 92 states have internal predecessors, (125), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 04:26:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 201 transitions. [2024-11-07 04:26:25,564 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 201 transitions. Word has length 197 [2024-11-07 04:26:25,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:25,565 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 201 transitions. [2024-11-07 04:26:25,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 201 transitions. [2024-11-07 04:26:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 04:26:25,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:25,571 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:25,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 04:26:25,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:25,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1606379476, now seen corresponding path program 1 times [2024-11-07 04:26:25,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:25,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740952600] [2024-11-07 04:26:25,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:25,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:35,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:35,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740952600] [2024-11-07 04:26:35,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740952600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:35,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:35,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 04:26:35,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048146724] [2024-11-07 04:26:35,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:35,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 04:26:35,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:35,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 04:26:35,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:26:35,666 INFO L87 Difference]: Start difference. First operand 132 states and 201 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:37,880 INFO L93 Difference]: Finished difference Result 327 states and 486 transitions. [2024-11-07 04:26:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 04:26:37,882 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-07 04:26:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:37,885 INFO L225 Difference]: With dead ends: 327 [2024-11-07 04:26:37,885 INFO L226 Difference]: Without dead ends: 198 [2024-11-07 04:26:37,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-07 04:26:37,888 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 256 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:37,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 670 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 04:26:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-07 04:26:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 129. [2024-11-07 04:26:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 89 states have internal predecessors, (120), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 04:26:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 196 transitions. [2024-11-07 04:26:37,924 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 196 transitions. Word has length 197 [2024-11-07 04:26:37,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:37,924 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 196 transitions. [2024-11-07 04:26:37,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 196 transitions. [2024-11-07 04:26:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 04:26:37,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:37,928 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:37,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 04:26:37,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:37,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1565144146, now seen corresponding path program 1 times [2024-11-07 04:26:37,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:37,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974613184] [2024-11-07 04:26:37,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:38,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:38,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974613184] [2024-11-07 04:26:38,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974613184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:38,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:38,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 04:26:38,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960333664] [2024-11-07 04:26:38,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:38,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 04:26:38,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:38,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 04:26:38,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 04:26:38,228 INFO L87 Difference]: Start difference. First operand 129 states and 196 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:38,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:38,389 INFO L93 Difference]: Finished difference Result 350 states and 534 transitions. [2024-11-07 04:26:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 04:26:38,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-07 04:26:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:38,396 INFO L225 Difference]: With dead ends: 350 [2024-11-07 04:26:38,396 INFO L226 Difference]: Without dead ends: 224 [2024-11-07 04:26:38,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 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 04:26:38,398 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 66 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:38,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 320 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 04:26:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-07 04:26:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2024-11-07 04:26:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 141 states have (on average 1.326241134751773) internal successors, (187), 143 states have internal predecessors, (187), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:26:38,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 339 transitions. [2024-11-07 04:26:38,462 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 339 transitions. Word has length 197 [2024-11-07 04:26:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:38,465 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 339 transitions. [2024-11-07 04:26:38,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 339 transitions. [2024-11-07 04:26:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:26:38,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:38,467 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:38,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 04:26:38,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:38,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:38,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1425280997, now seen corresponding path program 1 times [2024-11-07 04:26:38,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:38,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367630218] [2024-11-07 04:26:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:38,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:38,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367630218] [2024-11-07 04:26:38,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367630218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:38,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:38,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:26:38,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759545092] [2024-11-07 04:26:38,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:38,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:26:38,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:38,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:26:38,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:26:38,560 INFO L87 Difference]: Start difference. First operand 222 states and 339 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:38,625 INFO L93 Difference]: Finished difference Result 544 states and 826 transitions. [2024-11-07 04:26:38,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:26:38,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:26:38,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:38,629 INFO L225 Difference]: With dead ends: 544 [2024-11-07 04:26:38,629 INFO L226 Difference]: Without dead ends: 339 [2024-11-07 04:26:38,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:26:38,630 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 53 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:38,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 268 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:26:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-07 04:26:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-07 04:26:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 225 states have (on average 1.3155555555555556) internal successors, (296), 230 states have internal predecessors, (296), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 04:26:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 500 transitions. [2024-11-07 04:26:38,695 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 500 transitions. Word has length 198 [2024-11-07 04:26:38,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:38,697 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 500 transitions. [2024-11-07 04:26:38,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 500 transitions. [2024-11-07 04:26:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:26:38,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:38,699 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:38,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 04:26:38,699 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:38,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:38,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2060339673, now seen corresponding path program 1 times [2024-11-07 04:26:38,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:38,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341973738] [2024-11-07 04:26:38,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:38,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341973738] [2024-11-07 04:26:44,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341973738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:44,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:44,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 04:26:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002294351] [2024-11-07 04:26:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:44,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 04:26:44,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:44,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 04:26:44,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:26:44,385 INFO L87 Difference]: Start difference. First operand 335 states and 500 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:44,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:44,958 INFO L93 Difference]: Finished difference Result 581 states and 855 transitions. [2024-11-07 04:26:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 04:26:44,959 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:26:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:44,963 INFO L225 Difference]: With dead ends: 581 [2024-11-07 04:26:44,963 INFO L226 Difference]: Without dead ends: 383 [2024-11-07 04:26:44,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 04:26:44,966 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 121 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:44,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 409 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 04:26:44,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-07 04:26:45,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 343. [2024-11-07 04:26:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 233 states have (on average 1.3218884120171674) internal successors, (308), 238 states have internal predecessors, (308), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 04:26:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 512 transitions. [2024-11-07 04:26:45,028 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 512 transitions. Word has length 198 [2024-11-07 04:26:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:45,030 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 512 transitions. [2024-11-07 04:26:45,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 512 transitions. [2024-11-07 04:26:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:26:45,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:45,032 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:45,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 04:26:45,033 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:45,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:45,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1049222423, now seen corresponding path program 1 times [2024-11-07 04:26:45,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:45,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076060341] [2024-11-07 04:26:45,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:50,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:50,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076060341] [2024-11-07 04:26:50,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076060341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:50,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:50,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 04:26:50,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414547811] [2024-11-07 04:26:50,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:50,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 04:26:50,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:50,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 04:26:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:26:50,331 INFO L87 Difference]: Start difference. First operand 343 states and 512 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:50,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:50,841 INFO L93 Difference]: Finished difference Result 570 states and 844 transitions. [2024-11-07 04:26:50,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 04:26:50,842 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:26:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:50,846 INFO L225 Difference]: With dead ends: 570 [2024-11-07 04:26:50,846 INFO L226 Difference]: Without dead ends: 364 [2024-11-07 04:26:50,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 04:26:50,848 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 120 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:50,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 389 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:26:50,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-07 04:26:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 338. [2024-11-07 04:26:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 228 states have (on average 1.3157894736842106) internal successors, (300), 233 states have internal predecessors, (300), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 04:26:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 504 transitions. [2024-11-07 04:26:50,904 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 504 transitions. Word has length 198 [2024-11-07 04:26:50,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:50,906 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 504 transitions. [2024-11-07 04:26:50,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 504 transitions. [2024-11-07 04:26:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:26:50,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:50,909 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:50,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 04:26:50,909 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:50,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:50,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2048380871, now seen corresponding path program 1 times [2024-11-07 04:26:50,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:50,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906131184] [2024-11-07 04:26:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:50,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:51,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906131184] [2024-11-07 04:26:51,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906131184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:51,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:51,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 04:26:51,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893568334] [2024-11-07 04:26:51,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:51,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 04:26:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:51,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 04:26:51,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 04:26:51,137 INFO L87 Difference]: Start difference. First operand 338 states and 504 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:51,255 INFO L93 Difference]: Finished difference Result 696 states and 1034 transitions. [2024-11-07 04:26:51,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 04:26:51,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:26:51,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:51,259 INFO L225 Difference]: With dead ends: 696 [2024-11-07 04:26:51,259 INFO L226 Difference]: Without dead ends: 375 [2024-11-07 04:26:51,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 04:26:51,263 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 76 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:51,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 346 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 04:26:51,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-07 04:26:51,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 265. [2024-11-07 04:26:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 182 states have (on average 1.3296703296703296) internal successors, (242), 184 states have internal predecessors, (242), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:26:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 394 transitions. [2024-11-07 04:26:51,307 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 394 transitions. Word has length 198 [2024-11-07 04:26:51,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:51,308 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 394 transitions. [2024-11-07 04:26:51,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:51,308 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 394 transitions. [2024-11-07 04:26:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:26:51,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:51,313 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:51,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 04:26:51,313 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:51,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:51,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1790215433, now seen corresponding path program 1 times [2024-11-07 04:26:51,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:51,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547679265] [2024-11-07 04:26:51,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:51,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:26:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:26:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:26:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:26:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:26:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:26:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:26:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:26:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:26:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:26:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:26:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:26:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:26:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:26:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:26:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:26:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:26:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:26:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:26:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:26:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:26:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:26:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:26:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:26:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:26:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:26:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:26:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:26:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:26:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:26:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:26:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:26:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:26:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:26:55,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:26:55,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547679265] [2024-11-07 04:26:55,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547679265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:26:55,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:26:55,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 04:26:55,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576528324] [2024-11-07 04:26:55,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:26:55,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 04:26:55,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:26:55,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 04:26:55,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:26:55,794 INFO L87 Difference]: Start difference. First operand 265 states and 394 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:26:56,317 INFO L93 Difference]: Finished difference Result 465 states and 682 transitions. [2024-11-07 04:26:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 04:26:56,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:26:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:26:56,322 INFO L225 Difference]: With dead ends: 465 [2024-11-07 04:26:56,322 INFO L226 Difference]: Without dead ends: 312 [2024-11-07 04:26:56,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:26:56,323 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 141 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:26:56,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 491 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:26:56,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-07 04:26:56,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 273. [2024-11-07 04:26:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.3368421052631578) internal successors, (254), 192 states have internal predecessors, (254), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:26:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 406 transitions. [2024-11-07 04:26:56,376 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 406 transitions. Word has length 198 [2024-11-07 04:26:56,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:26:56,377 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 406 transitions. [2024-11-07 04:26:56,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:26:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 406 transitions. [2024-11-07 04:26:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:26:56,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:26:56,381 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:26:56,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 04:26:56,381 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:26:56,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:26:56,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1917945849, now seen corresponding path program 1 times [2024-11-07 04:26:56,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:26:56,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286932793] [2024-11-07 04:26:56,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:26:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:26:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:27:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:27:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:27:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:27:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:27:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:27:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:27:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:27:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:27:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:27:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:27:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:27:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:27:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:27:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:27:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:27:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:27:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:27:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:27:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:27:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:27:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:27:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:27:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:27:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:27:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:27:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:27:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:27:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:27:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:27:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:27:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:27:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:27:01,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:27:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286932793] [2024-11-07 04:27:01,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286932793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:27:01,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:27:01,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 04:27:01,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324793584] [2024-11-07 04:27:01,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:27:01,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 04:27:01,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:27:01,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 04:27:01,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:27:01,432 INFO L87 Difference]: Start difference. First operand 273 states and 406 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:01,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:27:01,810 INFO L93 Difference]: Finished difference Result 461 states and 679 transitions. [2024-11-07 04:27:01,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 04:27:01,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:27:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:27:01,814 INFO L225 Difference]: With dead ends: 461 [2024-11-07 04:27:01,814 INFO L226 Difference]: Without dead ends: 300 [2024-11-07 04:27:01,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:27:01,817 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 80 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 04:27:01,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 472 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 04:27:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-07 04:27:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 272. [2024-11-07 04:27:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.3386243386243386) internal successors, (253), 191 states have internal predecessors, (253), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:27:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 405 transitions. [2024-11-07 04:27:01,853 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 405 transitions. Word has length 198 [2024-11-07 04:27:01,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:27:01,853 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 405 transitions. [2024-11-07 04:27:01,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2024-11-07 04:27:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:27:01,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:27:01,859 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:01,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 04:27:01,859 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:27:01,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:27:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1037263621, now seen corresponding path program 1 times [2024-11-07 04:27:01,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:27:01,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473490967] [2024-11-07 04:27:01,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:27:01,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:27:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:27:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:27:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:27:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:27:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:27:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:27:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:27:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:27:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:27:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:27:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:27:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:27:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:27:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:27:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:27:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:27:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:27:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:27:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:27:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:27:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:27:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:27:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:27:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:27:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:27:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:27:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:27:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:27:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:27:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:27:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:27:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:27:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:27:08,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:27:08,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473490967] [2024-11-07 04:27:08,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473490967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:27:08,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:27:08,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 04:27:08,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365583244] [2024-11-07 04:27:08,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:27:08,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 04:27:08,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:27:08,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 04:27:08,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-07 04:27:08,905 INFO L87 Difference]: Start difference. First operand 272 states and 405 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:27:11,232 INFO L93 Difference]: Finished difference Result 577 states and 828 transitions. [2024-11-07 04:27:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 04:27:11,233 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:27:11,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:27:11,236 INFO L225 Difference]: With dead ends: 577 [2024-11-07 04:27:11,236 INFO L226 Difference]: Without dead ends: 417 [2024-11-07 04:27:11,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2024-11-07 04:27:11,237 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 313 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 04:27:11,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 791 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 04:27:11,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-07 04:27:11,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 277. [2024-11-07 04:27:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 196 states have internal predecessors, (262), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:27:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 414 transitions. [2024-11-07 04:27:11,271 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 414 transitions. Word has length 198 [2024-11-07 04:27:11,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:27:11,272 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 414 transitions. [2024-11-07 04:27:11,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 414 transitions. [2024-11-07 04:27:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:27:11,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:27:11,273 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:11,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 04:27:11,274 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:27:11,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:27:11,274 INFO L85 PathProgramCache]: Analyzing trace with hash -779098183, now seen corresponding path program 1 times [2024-11-07 04:27:11,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:27:11,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503927635] [2024-11-07 04:27:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:27:11,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:27:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:27:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:27:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:27:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:27:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:27:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:27:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:27:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:27:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:27:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:27:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:27:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:27:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:27:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:27:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:27:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:27:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:27:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:27:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:27:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:27:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:27:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:27:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:27:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:27:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:27:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:27:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:27:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:27:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:27:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:27:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:27:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:27:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:27:11,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:27:11,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503927635] [2024-11-07 04:27:11,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503927635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:27:11,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:27:11,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 04:27:11,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716606928] [2024-11-07 04:27:11,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:27:11,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 04:27:11,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:27:11,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 04:27:11,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 04:27:11,515 INFO L87 Difference]: Start difference. First operand 277 states and 414 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:27:11,900 INFO L93 Difference]: Finished difference Result 655 states and 968 transitions. [2024-11-07 04:27:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 04:27:11,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:27:11,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:27:11,905 INFO L225 Difference]: With dead ends: 655 [2024-11-07 04:27:11,907 INFO L226 Difference]: Without dead ends: 490 [2024-11-07 04:27:11,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:27:11,909 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 253 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:27:11,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 495 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:27:11,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-07 04:27:11,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 289. [2024-11-07 04:27:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 206 states have (on average 1.3495145631067962) internal successors, (278), 208 states have internal predecessors, (278), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:27:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 430 transitions. [2024-11-07 04:27:11,949 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 430 transitions. Word has length 198 [2024-11-07 04:27:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:27:11,950 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 430 transitions. [2024-11-07 04:27:11,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 430 transitions. [2024-11-07 04:27:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:27:11,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:27:11,951 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:11,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 04:27:11,952 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:27:11,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:27:11,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1624069635, now seen corresponding path program 1 times [2024-11-07 04:27:11,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:27:11,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517579582] [2024-11-07 04:27:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:27:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:27:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:27:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:27:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:27:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:27:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:27:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:27:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:27:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:27:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:27:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:27:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:27:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:27:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:27:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:27:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:27:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:27:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:27:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:27:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:27:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 04:27:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:27:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 04:27:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:27:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 04:27:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:27:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 04:27:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:27:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 04:27:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:27:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 04:27:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 04:27:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 04:27:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:27:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 04:27:17,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:27:17,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517579582] [2024-11-07 04:27:17,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517579582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:27:17,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:27:17,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 04:27:17,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226990822] [2024-11-07 04:27:17,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:27:17,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 04:27:17,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:27:17,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 04:27:17,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-07 04:27:17,739 INFO L87 Difference]: Start difference. First operand 289 states and 430 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:18,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:27:18,614 INFO L93 Difference]: Finished difference Result 644 states and 941 transitions. [2024-11-07 04:27:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 04:27:18,615 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-07 04:27:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:27:18,618 INFO L225 Difference]: With dead ends: 644 [2024-11-07 04:27:18,618 INFO L226 Difference]: Without dead ends: 358 [2024-11-07 04:27:18,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2024-11-07 04:27:18,620 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 294 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 04:27:18,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 627 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 04:27:18,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-07 04:27:18,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 285. [2024-11-07 04:27:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 202 states have (on average 1.3415841584158417) internal successors, (271), 204 states have internal predecessors, (271), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-07 04:27:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 423 transitions. [2024-11-07 04:27:18,659 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 423 transitions. Word has length 198 [2024-11-07 04:27:18,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:27:18,660 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 423 transitions. [2024-11-07 04:27:18,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-07 04:27:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 423 transitions. [2024-11-07 04:27:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 04:27:18,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:27:18,661 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:18,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 04:27:18,661 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:27:18,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:27:18,662 INFO L85 PathProgramCache]: Analyzing trace with hash 471991771, now seen corresponding path program 1 times [2024-11-07 04:27:18,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:27:18,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389460698] [2024-11-07 04:27:18,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:27:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:27:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat