./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.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_fillercode_fillercodesize_ps-cn-25_file-86.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', 'c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82'] 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_fillercode_fillercodesize_ps-cn-25_file-86.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 c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:21:21,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:21:21,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:21:21,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:21:21,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:21:21,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:21:21,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:21:21,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:21:21,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:21:21,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:21:21,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:21:21,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:21:21,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:21:21,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:21:21,133 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:21:21,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:21:21,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:21:21,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:21:21,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:21:21,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:21:21,135 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 -> c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82 [2024-11-07 05:21:21,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:21:21,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:21:21,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:21:21,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:21:21,392 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:21:21,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-07 05:21:22,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:21:22,752 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:21:22,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-07 05:21:22,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d1516d55/d95ffc8a6e304d31af80487b870ab673/FLAG940c3792b [2024-11-07 05:21:22,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d1516d55/d95ffc8a6e304d31af80487b870ab673 [2024-11-07 05:21:22,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:21:22,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:21:22,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:21:22,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:21:22,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:21:22,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:22,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21aaeca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22, skipping insertion in model container [2024-11-07 05:21:22,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:22,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:21:22,887 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_fillercode_fillercodesize_ps-cn-25_file-86.i[915,928] [2024-11-07 05:21:22,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:21:22,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:21:22,957 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_fillercode_fillercodesize_ps-cn-25_file-86.i[915,928] [2024-11-07 05:21:22,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:21:22,992 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:21:22,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22 WrapperNode [2024-11-07 05:21:22,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:21:22,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:21:22,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:21:22,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:21:22,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,041 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-07 05:21:23,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:21:23,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:21:23,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:21:23,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:21:23,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,074 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 05:21:23,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:21:23,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:21:23,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:21:23,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:21:23,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (1/1) ... [2024-11-07 05:21:23,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:21:23,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:21:23,153 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 05:21:23,156 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 05:21:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:21:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:21:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:21:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:21:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:21:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:21:23,257 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:21:23,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:21:23,592 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-07 05:21:23,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:21:23,602 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:21:23,603 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:21:23,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:23 BoogieIcfgContainer [2024-11-07 05:21:23,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:21:23,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:21:23,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:21:23,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:21:23,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:21:22" (1/3) ... [2024-11-07 05:21:23,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b67587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:21:23, skipping insertion in model container [2024-11-07 05:21:23,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:22" (2/3) ... [2024-11-07 05:21:23,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b67587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:21:23, skipping insertion in model container [2024-11-07 05:21:23,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:23" (3/3) ... [2024-11-07 05:21:23,612 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-07 05:21:23,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:21:23,623 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:21:23,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:21:23,683 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;@62cb6662, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:21:23,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:21:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 05:21:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-07 05:21:23,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:23,703 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:23,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:23,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1622314386, now seen corresponding path program 1 times [2024-11-07 05:21:23,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:23,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134457691] [2024-11-07 05:21:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:24,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:24,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134457691] [2024-11-07 05:21:24,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134457691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:24,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:24,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:21:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715930210] [2024-11-07 05:21:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:24,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:21:24,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:24,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:21:24,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:21:24,222 INFO L87 Difference]: Start difference. First operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 05:21:24,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:24,253 INFO L93 Difference]: Finished difference Result 195 states and 346 transitions. [2024-11-07 05:21:24,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:21:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 212 [2024-11-07 05:21:24,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:24,261 INFO L225 Difference]: With dead ends: 195 [2024-11-07 05:21:24,261 INFO L226 Difference]: Without dead ends: 97 [2024-11-07 05:21:24,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 05:21:24,266 INFO L432 NwaCegarLoop]: 150 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, 150 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 05:21:24,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:21:24,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-07 05:21:24,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-07 05:21:24,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 05:21:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 150 transitions. [2024-11-07 05:21:24,302 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 150 transitions. Word has length 212 [2024-11-07 05:21:24,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:24,303 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 150 transitions. [2024-11-07 05:21:24,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 05:21:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2024-11-07 05:21:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-07 05:21:24,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:24,306 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:24,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:21:24,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:24,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1732762638, now seen corresponding path program 1 times [2024-11-07 05:21:24,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:24,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067090617] [2024-11-07 05:21:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:24,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:24,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067090617] [2024-11-07 05:21:24,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067090617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:24,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:24,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:21:24,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866121442] [2024-11-07 05:21:24,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:24,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:21:24,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:24,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:21:24,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:21:24,707 INFO L87 Difference]: Start difference. First operand 97 states and 150 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:24,930 INFO L93 Difference]: Finished difference Result 192 states and 299 transitions. [2024-11-07 05:21:24,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:21:24,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2024-11-07 05:21:24,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:24,935 INFO L225 Difference]: With dead ends: 192 [2024-11-07 05:21:24,935 INFO L226 Difference]: Without dead ends: 98 [2024-11-07 05:21:24,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:21:24,938 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 147 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:24,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 185 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:21:24,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-07 05:21:24,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-07 05:21:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 05:21:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2024-11-07 05:21:24,955 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 212 [2024-11-07 05:21:24,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:24,958 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2024-11-07 05:21:24,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2024-11-07 05:21:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:21:24,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:24,963 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:24,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:21:24,963 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:24,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:24,964 INFO L85 PathProgramCache]: Analyzing trace with hash 455992393, now seen corresponding path program 1 times [2024-11-07 05:21:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:24,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165277843] [2024-11-07 05:21:24,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:34,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:34,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165277843] [2024-11-07 05:21:34,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165277843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:34,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:34,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 05:21:34,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139391566] [2024-11-07 05:21:34,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:34,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 05:21:34,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:34,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 05:21:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 05:21:34,476 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:37,574 INFO L93 Difference]: Finished difference Result 374 states and 569 transitions. [2024-11-07 05:21:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 05:21:37,575 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-07 05:21:37,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:37,578 INFO L225 Difference]: With dead ends: 374 [2024-11-07 05:21:37,578 INFO L226 Difference]: Without dead ends: 279 [2024-11-07 05:21:37,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-07 05:21:37,579 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 372 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:37,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 964 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 05:21:37,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-07 05:21:37,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 193. [2024-11-07 05:21:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.319672131147541) internal successors, (161), 122 states have internal predecessors, (161), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-07 05:21:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 297 transitions. [2024-11-07 05:21:37,609 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 297 transitions. Word has length 214 [2024-11-07 05:21:37,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:37,610 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 297 transitions. [2024-11-07 05:21:37,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 297 transitions. [2024-11-07 05:21:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:21:37,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:37,615 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:37,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:21:37,615 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:37,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:37,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1157056971, now seen corresponding path program 1 times [2024-11-07 05:21:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993974313] [2024-11-07 05:21:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:37,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:37,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993974313] [2024-11-07 05:21:37,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993974313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:37,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:37,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:21:37,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15671372] [2024-11-07 05:21:37,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:37,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:21:37,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:37,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:21:37,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:21:37,733 INFO L87 Difference]: Start difference. First operand 193 states and 297 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:37,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:37,773 INFO L93 Difference]: Finished difference Result 382 states and 591 transitions. [2024-11-07 05:21:37,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:21:37,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-07 05:21:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:37,776 INFO L225 Difference]: With dead ends: 382 [2024-11-07 05:21:37,776 INFO L226 Difference]: Without dead ends: 287 [2024-11-07 05:21:37,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 05:21:37,780 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 141 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:37,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 300 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:21:37,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-07 05:21:37,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-07 05:21:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 179 states have (on average 1.312849162011173) internal successors, (235), 179 states have internal predecessors, (235), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:21:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 439 transitions. [2024-11-07 05:21:37,810 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 439 transitions. Word has length 214 [2024-11-07 05:21:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:37,810 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 439 transitions. [2024-11-07 05:21:37,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 439 transitions. [2024-11-07 05:21:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:21:37,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:37,812 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:37,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:21:37,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:37,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:37,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1467109643, now seen corresponding path program 1 times [2024-11-07 05:21:37,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:37,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746821115] [2024-11-07 05:21:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:37,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:37,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746821115] [2024-11-07 05:21:37,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746821115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:37,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:37,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:21:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867223588] [2024-11-07 05:21:37,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:37,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:21:37,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:37,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:21:37,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:21:37,992 INFO L87 Difference]: Start difference. First operand 285 states and 439 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:38,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:38,174 INFO L93 Difference]: Finished difference Result 495 states and 757 transitions. [2024-11-07 05:21:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:21:38,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-07 05:21:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:38,179 INFO L225 Difference]: With dead ends: 495 [2024-11-07 05:21:38,180 INFO L226 Difference]: Without dead ends: 305 [2024-11-07 05:21:38,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:21:38,182 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 121 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:38,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 501 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 05:21:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-07 05:21:38,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 283. [2024-11-07 05:21:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 177 states have (on average 1.305084745762712) internal successors, (231), 177 states have internal predecessors, (231), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:21:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 435 transitions. [2024-11-07 05:21:38,211 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 435 transitions. Word has length 214 [2024-11-07 05:21:38,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:38,211 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 435 transitions. [2024-11-07 05:21:38,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 435 transitions. [2024-11-07 05:21:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:21:38,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:38,214 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:38,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:21:38,214 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:38,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:38,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1304364194, now seen corresponding path program 1 times [2024-11-07 05:21:38,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:38,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027336338] [2024-11-07 05:21:38,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:38,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:40,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:40,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027336338] [2024-11-07 05:21:40,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027336338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:40,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:40,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 05:21:40,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921110372] [2024-11-07 05:21:40,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:40,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 05:21:40,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:40,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 05:21:40,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:21:40,529 INFO L87 Difference]: Start difference. First operand 283 states and 435 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:41,399 INFO L93 Difference]: Finished difference Result 333 states and 493 transitions. [2024-11-07 05:21:41,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 05:21:41,402 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-07 05:21:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:41,405 INFO L225 Difference]: With dead ends: 333 [2024-11-07 05:21:41,405 INFO L226 Difference]: Without dead ends: 331 [2024-11-07 05:21:41,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-07 05:21:41,405 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 338 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:41,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 951 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 05:21:41,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-07 05:21:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 284. [2024-11-07 05:21:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.303370786516854) internal successors, (232), 178 states have internal predecessors, (232), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:21:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 436 transitions. [2024-11-07 05:21:41,438 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 436 transitions. Word has length 215 [2024-11-07 05:21:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:41,440 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 436 transitions. [2024-11-07 05:21:41,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 436 transitions. [2024-11-07 05:21:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:21:41,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:41,442 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:41,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 05:21:41,443 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:41,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:41,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1092206780, now seen corresponding path program 1 times [2024-11-07 05:21:41,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:41,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874660034] [2024-11-07 05:21:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:41,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:41,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:41,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874660034] [2024-11-07 05:21:41,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874660034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:41,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:41,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:21:41,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329441801] [2024-11-07 05:21:41,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:41,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:21:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:41,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:21:41,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:21:41,720 INFO L87 Difference]: Start difference. First operand 284 states and 436 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 05:21:41,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:41,772 INFO L93 Difference]: Finished difference Result 482 states and 741 transitions. [2024-11-07 05:21:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:21:41,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-07 05:21:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:41,783 INFO L225 Difference]: With dead ends: 482 [2024-11-07 05:21:41,783 INFO L226 Difference]: Without dead ends: 292 [2024-11-07 05:21:41,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:21:41,784 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 100 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:41,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 278 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:21:41,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-07 05:21:41,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2024-11-07 05:21:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.2865168539325842) internal successors, (229), 178 states have internal predecessors, (229), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:21:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2024-11-07 05:21:41,801 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 215 [2024-11-07 05:21:41,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:41,802 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2024-11-07 05:21:41,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 05:21:41,802 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2024-11-07 05:21:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:21:41,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:41,805 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:41,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 05:21:41,805 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:41,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:41,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1427753154, now seen corresponding path program 1 times [2024-11-07 05:21:41,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:41,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871003294] [2024-11-07 05:21:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:41,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871003294] [2024-11-07 05:21:45,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871003294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:45,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:45,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 05:21:45,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076574838] [2024-11-07 05:21:45,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:45,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 05:21:45,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:45,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 05:21:45,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:21:45,431 INFO L87 Difference]: Start difference. First operand 284 states and 433 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:49,291 INFO L93 Difference]: Finished difference Result 338 states and 493 transitions. [2024-11-07 05:21:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 05:21:49,291 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-07 05:21:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:49,293 INFO L225 Difference]: With dead ends: 338 [2024-11-07 05:21:49,293 INFO L226 Difference]: Without dead ends: 336 [2024-11-07 05:21:49,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=264, Invalid=792, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 05:21:49,294 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 339 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:49,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 916 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 05:21:49,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-07 05:21:49,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 284. [2024-11-07 05:21:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.2865168539325842) internal successors, (229), 178 states have internal predecessors, (229), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:21:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2024-11-07 05:21:49,317 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 215 [2024-11-07 05:21:49,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:49,317 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2024-11-07 05:21:49,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:21:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2024-11-07 05:21:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:21:49,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:49,319 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:49,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 05:21:49,320 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:49,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:49,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1871875877, now seen corresponding path program 1 times [2024-11-07 05:21:49,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:49,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421816784] [2024-11-07 05:21:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:21:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:21:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:21:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:21:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:21:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:21:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:21:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:21:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:21:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:21:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:21:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:21:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:21:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:21:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:21:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:21:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:21:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:21:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:21:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:21:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:21:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:21:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:21:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:21:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:21:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:21:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:21:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:21:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:21:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:21:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:21:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:21:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:21:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:21:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:21:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:21:54,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:21:54,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421816784] [2024-11-07 05:21:54,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421816784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:21:54,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:21:54,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 05:21:54,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074836273] [2024-11-07 05:21:54,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:21:54,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 05:21:54,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:21:54,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 05:21:54,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-07 05:21:54,570 INFO L87 Difference]: Start difference. First operand 284 states and 433 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-07 05:21:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:21:59,522 INFO L93 Difference]: Finished difference Result 354 states and 512 transitions. [2024-11-07 05:21:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 05:21:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 215 [2024-11-07 05:21:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:21:59,525 INFO L225 Difference]: With dead ends: 354 [2024-11-07 05:21:59,525 INFO L226 Difference]: Without dead ends: 352 [2024-11-07 05:21:59,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 05:21:59,526 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 350 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 05:21:59,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 1155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 05:21:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-07 05:21:59,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 294. [2024-11-07 05:21:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:21:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2024-11-07 05:21:59,557 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 215 [2024-11-07 05:21:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:21:59,557 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2024-11-07 05:21:59,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-07 05:21:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2024-11-07 05:21:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:21:59,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:21:59,562 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:59,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 05:21:59,562 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:21:59,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:21:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1191817507, now seen corresponding path program 1 times [2024-11-07 05:21:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:21:59,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086655552] [2024-11-07 05:21:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:21:59,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:21:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:22:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:22:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:22:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:22:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:22:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:22:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:22:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:22:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:22:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:22:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:22:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:22:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:22:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:22:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:22:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:22:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:22:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:22:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:22:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:22:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:22:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:22:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:22:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:22:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:22:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:22:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:22:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:22:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:22:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:22:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:22:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:22:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:22:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:22:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:22:04,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:22:04,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086655552] [2024-11-07 05:22:04,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086655552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:22:04,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:22:04,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 05:22:04,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760198746] [2024-11-07 05:22:04,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:22:04,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 05:22:04,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:22:04,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 05:22:04,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-07 05:22:04,909 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:22:10,139 INFO L93 Difference]: Finished difference Result 348 states and 506 transitions. [2024-11-07 05:22:10,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 05:22:10,140 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-07 05:22:10,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:22:10,142 INFO L225 Difference]: With dead ends: 348 [2024-11-07 05:22:10,142 INFO L226 Difference]: Without dead ends: 346 [2024-11-07 05:22:10,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2024-11-07 05:22:10,145 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 283 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 05:22:10,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1051 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 05:22:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-07 05:22:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 294. [2024-11-07 05:22:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:22:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2024-11-07 05:22:10,167 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 215 [2024-11-07 05:22:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:22:10,167 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2024-11-07 05:22:10,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2024-11-07 05:22:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:22:10,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:22:10,170 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:10,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 05:22:10,170 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:22:10,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:22:10,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1257172915, now seen corresponding path program 1 times [2024-11-07 05:22:10,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:22:10,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186329380] [2024-11-07 05:22:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:22:10,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:22:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:22:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:22:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:22:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:22:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:22:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:22:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:22:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:22:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:22:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:22:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:22:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:22:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:22:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:22:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:22:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:22:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:22:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:22:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:22:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:22:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:22:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:22:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:22:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:22:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:22:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:22:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:22:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:22:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:22:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:22:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:22:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:22:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:22:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:22:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:22:12,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:22:12,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186329380] [2024-11-07 05:22:12,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186329380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:22:12,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:22:12,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 05:22:12,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799918149] [2024-11-07 05:22:12,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:22:12,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 05:22:12,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:22:12,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 05:22:12,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-07 05:22:12,245 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 05:22:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:22:12,910 INFO L93 Difference]: Finished difference Result 336 states and 492 transitions. [2024-11-07 05:22:12,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 05:22:12,911 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-11-07 05:22:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:22:12,913 INFO L225 Difference]: With dead ends: 336 [2024-11-07 05:22:12,913 INFO L226 Difference]: Without dead ends: 334 [2024-11-07 05:22:12,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-11-07 05:22:12,914 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 353 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:22:12,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 987 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:22:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-07 05:22:12,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 291. [2024-11-07 05:22:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 185 states have (on average 1.2864864864864864) internal successors, (238), 185 states have internal predecessors, (238), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:22:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 442 transitions. [2024-11-07 05:22:12,935 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 442 transitions. Word has length 216 [2024-11-07 05:22:12,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:22:12,935 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 442 transitions. [2024-11-07 05:22:12,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 05:22:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 442 transitions. [2024-11-07 05:22:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:22:12,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:22:12,936 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:12,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 05:22:12,936 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:22:12,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:22:12,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2138228398, now seen corresponding path program 1 times [2024-11-07 05:22:12,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:22:12,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303270375] [2024-11-07 05:22:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:22:12,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:22:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:22:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:22:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:22:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:22:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:22:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:22:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:22:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:22:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:22:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:22:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:22:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:22:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:22:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:22:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:22:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:22:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:22:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:22:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:22:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:22:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:22:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:22:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:22:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:22:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:22:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:22:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:22:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:22:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:22:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:22:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:22:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:22:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:22:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:22:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:22:19,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:22:19,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303270375] [2024-11-07 05:22:19,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303270375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:22:19,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:22:19,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 05:22:19,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627994730] [2024-11-07 05:22:19,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:22:19,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 05:22:19,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:22:19,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 05:22:19,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-07 05:22:19,783 INFO L87 Difference]: Start difference. First operand 291 states and 442 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:27,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:22:27,088 INFO L93 Difference]: Finished difference Result 349 states and 507 transitions. [2024-11-07 05:22:27,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 05:22:27,089 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-07 05:22:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:22:27,091 INFO L225 Difference]: With dead ends: 349 [2024-11-07 05:22:27,091 INFO L226 Difference]: Without dead ends: 347 [2024-11-07 05:22:27,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=315, Invalid=875, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 05:22:27,092 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 262 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:22:27,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1032 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 05:22:27,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-07 05:22:27,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 296. [2024-11-07 05:22:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 190 states have (on average 1.2894736842105263) internal successors, (245), 190 states have internal predecessors, (245), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:22:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 449 transitions. [2024-11-07 05:22:27,113 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 449 transitions. Word has length 216 [2024-11-07 05:22:27,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:22:27,114 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 449 transitions. [2024-11-07 05:22:27,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 449 transitions. [2024-11-07 05:22:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:22:27,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:22:27,115 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:27,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 05:22:27,115 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:22:27,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:22:27,116 INFO L85 PathProgramCache]: Analyzing trace with hash -577225492, now seen corresponding path program 1 times [2024-11-07 05:22:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:22:27,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048082252] [2024-11-07 05:22:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:22:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:22:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:22:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:22:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:22:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:22:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:22:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:22:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:22:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:22:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:22:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:22:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:22:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:22:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:22:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:22:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:22:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:22:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:22:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:22:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:22:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:22:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:22:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:22:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:22:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:22:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:22:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:22:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:22:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:22:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:22:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:22:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:22:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:22:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:22:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:22:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:22:31,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:22:31,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048082252] [2024-11-07 05:22:31,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048082252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:22:31,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:22:31,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 05:22:31,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435958067] [2024-11-07 05:22:31,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:22:31,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 05:22:31,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:22:31,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 05:22:31,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-07 05:22:31,900 INFO L87 Difference]: Start difference. First operand 296 states and 449 transitions. Second operand has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:36,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:22:36,731 INFO L93 Difference]: Finished difference Result 349 states and 507 transitions. [2024-11-07 05:22:36,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 05:22:36,732 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-07 05:22:36,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:22:36,734 INFO L225 Difference]: With dead ends: 349 [2024-11-07 05:22:36,734 INFO L226 Difference]: Without dead ends: 347 [2024-11-07 05:22:36,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=298, Invalid=758, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 05:22:36,735 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 251 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:22:36,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 985 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 05:22:36,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-07 05:22:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 297. [2024-11-07 05:22:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 191 states have (on average 1.287958115183246) internal successors, (246), 191 states have internal predecessors, (246), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:22:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 450 transitions. [2024-11-07 05:22:36,754 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 450 transitions. Word has length 216 [2024-11-07 05:22:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:22:36,754 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 450 transitions. [2024-11-07 05:22:36,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 450 transitions. [2024-11-07 05:22:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:22:36,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:22:36,755 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:36,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 05:22:36,755 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:22:36,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:22:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1763711888, now seen corresponding path program 1 times [2024-11-07 05:22:36,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:22:36,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244218804] [2024-11-07 05:22:36,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:22:36,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:22:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:22:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:22:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:22:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:22:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:22:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:22:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:22:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:22:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:22:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:22:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:22:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:22:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:22:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:22:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:22:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:22:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 05:22:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:22:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:22:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:22:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:22:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:22:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:22:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:22:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:22:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:22:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:22:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:22:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:22:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:22:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:22:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:22:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:22:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:22:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:22:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 05:22:42,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:22:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244218804] [2024-11-07 05:22:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244218804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:22:42,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:22:42,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 05:22:42,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074155656] [2024-11-07 05:22:42,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:22:42,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 05:22:42,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:22:42,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 05:22:42,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-07 05:22:42,870 INFO L87 Difference]: Start difference. First operand 297 states and 450 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:48,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:22:48,336 INFO L93 Difference]: Finished difference Result 345 states and 503 transitions. [2024-11-07 05:22:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 05:22:48,337 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-07 05:22:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:22:48,339 INFO L225 Difference]: With dead ends: 345 [2024-11-07 05:22:48,339 INFO L226 Difference]: Without dead ends: 343 [2024-11-07 05:22:48,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 05:22:48,340 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 302 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:22:48,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 837 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 05:22:48,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-07 05:22:48,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 297. [2024-11-07 05:22:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 191 states have (on average 1.287958115183246) internal successors, (246), 191 states have internal predecessors, (246), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 05:22:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 450 transitions. [2024-11-07 05:22:48,365 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 450 transitions. Word has length 216 [2024-11-07 05:22:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:22:48,366 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 450 transitions. [2024-11-07 05:22:48,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 05:22:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 450 transitions. [2024-11-07 05:22:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:22:48,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:22:48,367 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:48,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 05:22:48,368 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:22:48,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:22:48,368 INFO L85 PathProgramCache]: Analyzing trace with hash -970252502, now seen corresponding path program 1 times [2024-11-07 05:22:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:22:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903938724] [2024-11-07 05:22:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:22:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:22:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat