./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.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_fillercodestructure_filler-ps-co_file-34.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', 'fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df'] 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_fillercodestructure_filler-ps-co_file-34.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 fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:13:51,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:13:51,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:13:51,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:13:51,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:13:51,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:13:51,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:13:51,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:13:51,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:13:51,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:13:51,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:13:51,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:13:51,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:13:51,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:13:51,620 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:13:51,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:13:51,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:13:51,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:13:51,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:13:51,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:13:51,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:13:51,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:13:51,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:13:51,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:13:51,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:13:51,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:13:51,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:13:51,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:13:51,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:13:51,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:13:51,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:13:51,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:13:51,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:13:51,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:13:51,624 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 -> fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df [2024-11-07 07:13:51,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:13:51,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:13:51,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:13:51,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:13:51,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:13:51,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-07 07:13:53,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:13:53,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:13:53,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-07 07:13:53,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e57304f6/a81f0efa47fe4f72a45d1c54f112b960/FLAGba242431f [2024-11-07 07:13:53,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e57304f6/a81f0efa47fe4f72a45d1c54f112b960 [2024-11-07 07:13:53,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:13:53,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:13:53,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:13:53,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:13:53,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:13:53,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250100cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53, skipping insertion in model container [2024-11-07 07:13:53,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:13:53,637 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_fillercodestructure_filler-ps-co_file-34.i[919,932] [2024-11-07 07:13:53,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:13:53,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:13:53,720 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_fillercodestructure_filler-ps-co_file-34.i[919,932] [2024-11-07 07:13:53,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:13:53,780 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:13:53,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53 WrapperNode [2024-11-07 07:13:53,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:13:53,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:13:53,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:13:53,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:13:53,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,863 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-07 07:13:53,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:13:53,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:13:53,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:13:53,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:13:53,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,910 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 07:13:53,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:13:53,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:13:53,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:13:53,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:13:53,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (1/1) ... [2024-11-07 07:13:53,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:13:53,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:13:53,990 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 07:13:53,997 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 07:13:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:13:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:13:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:13:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:13:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:13:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:13:54,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:13:54,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:13:54,576 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-07 07:13:54,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:13:54,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:13:54,588 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:13:54,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:13:54 BoogieIcfgContainer [2024-11-07 07:13:54,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:13:54,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:13:54,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:13:54,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:13:54,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:13:53" (1/3) ... [2024-11-07 07:13:54,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134cbe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:13:54, skipping insertion in model container [2024-11-07 07:13:54,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:13:53" (2/3) ... [2024-11-07 07:13:54,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134cbe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:13:54, skipping insertion in model container [2024-11-07 07:13:54,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:13:54" (3/3) ... [2024-11-07 07:13:54,600 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-07 07:13:54,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:13:54,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:13:54,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:13:54,677 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;@5a6a9ed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:13:54,677 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:13:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 07:13:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 07:13:54,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:13:54,702 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:54,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:13:54,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:13:54,707 INFO L85 PathProgramCache]: Analyzing trace with hash -558081827, now seen corresponding path program 1 times [2024-11-07 07:13:54,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:13:54,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15771398] [2024-11-07 07:13:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:13:54,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:13:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:13:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:13:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:13:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:13:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:13:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:13:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:13:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:13:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:13:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:13:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:13:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:13:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:13:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:13:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:13:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:13:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:13:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:13:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:13:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:13:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:13:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:13:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:13:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:13:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:13:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:13:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:13:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:13:55,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:13:55,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15771398] [2024-11-07 07:13:55,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15771398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:13:55,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:13:55,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:13:55,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547533371] [2024-11-07 07:13:55,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:13:55,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:13:55,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:13:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:13:55,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:13:55,242 INFO L87 Difference]: Start difference. First operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 07:13:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:13:55,277 INFO L93 Difference]: Finished difference Result 199 states and 347 transitions. [2024-11-07 07:13:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:13:55,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 179 [2024-11-07 07:13:55,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:13:55,287 INFO L225 Difference]: With dead ends: 199 [2024-11-07 07:13:55,287 INFO L226 Difference]: Without dead ends: 99 [2024-11-07 07:13:55,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 07:13:55,296 INFO L432 NwaCegarLoop]: 156 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, 156 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 07:13:55,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:13:55,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-07 07:13:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-07 07:13:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 70 states have (on average 1.457142857142857) internal successors, (102), 70 states have internal predecessors, (102), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 07:13:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2024-11-07 07:13:55,353 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 179 [2024-11-07 07:13:55,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:13:55,354 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2024-11-07 07:13:55,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 07:13:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2024-11-07 07:13:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 07:13:55,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:13:55,360 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:55,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:13:55,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:13:55,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:13:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash -14833821, now seen corresponding path program 1 times [2024-11-07 07:13:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:13:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887513097] [2024-11-07 07:13:55,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:13:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:13:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:13:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:13:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:13:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:13:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:13:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:13:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:13:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:13:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:13:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:13:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:55,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:13:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:13:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:13:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:13:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:13:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:13:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:13:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:13:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:13:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:13:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:13:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:13:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:13:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:13:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:13:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:13:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:13:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:13:56,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:13:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887513097] [2024-11-07 07:13:56,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887513097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:13:56,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:13:56,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:13:56,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45322905] [2024-11-07 07:13:56,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:13:56,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:13:56,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:13:56,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:13:56,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:13:56,113 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:13:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:13:56,361 INFO L93 Difference]: Finished difference Result 321 states and 507 transitions. [2024-11-07 07:13:56,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:13:56,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179 [2024-11-07 07:13:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:13:56,371 INFO L225 Difference]: With dead ends: 321 [2024-11-07 07:13:56,372 INFO L226 Difference]: Without dead ends: 225 [2024-11-07 07:13:56,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 07:13:56,374 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 168 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:13:56,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 486 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:13:56,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-07 07:13:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 195. [2024-11-07 07:13:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 07:13:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2024-11-07 07:13:56,414 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 179 [2024-11-07 07:13:56,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:13:56,415 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2024-11-07 07:13:56,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:13:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2024-11-07 07:13:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 07:13:56,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:13:56,420 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:56,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:13:56,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:13:56,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:13:56,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1320105348, now seen corresponding path program 1 times [2024-11-07 07:13:56,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:13:56,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18587242] [2024-11-07 07:13:56,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:13:56,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:13:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:13:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:13:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:13:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:13:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:13:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:13:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:13:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:13:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:13:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:13:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:13:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:13:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:13:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:13:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:13:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:13:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:13:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:13:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:13:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:13:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:13:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:13:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:13:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:13:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:13:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:13:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:13:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:13:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:13:56,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:13:56,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18587242] [2024-11-07 07:13:56,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18587242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:13:56,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:13:56,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 07:13:56,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006531103] [2024-11-07 07:13:56,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:13:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 07:13:56,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:13:56,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 07:13:56,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:13:56,985 INFO L87 Difference]: Start difference. First operand 195 states and 309 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:13:57,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:13:57,410 INFO L93 Difference]: Finished difference Result 574 states and 910 transitions. [2024-11-07 07:13:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 07:13:57,411 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), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180 [2024-11-07 07:13:57,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:13:57,417 INFO L225 Difference]: With dead ends: 574 [2024-11-07 07:13:57,417 INFO L226 Difference]: Without dead ends: 382 [2024-11-07 07:13:57,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 07:13:57,423 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 206 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:13:57,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 513 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 07:13:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-07 07:13:57,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 199. [2024-11-07 07:13:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 07:13:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2024-11-07 07:13:57,498 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 180 [2024-11-07 07:13:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:13:57,499 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2024-11-07 07:13:57,499 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), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:13:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2024-11-07 07:13:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 07:13:57,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:13:57,501 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:57,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:13:57,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:13:57,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:13:57,502 INFO L85 PathProgramCache]: Analyzing trace with hash 845962460, now seen corresponding path program 1 times [2024-11-07 07:13:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:13:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266641899] [2024-11-07 07:13:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:13:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:13:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:00,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:00,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266641899] [2024-11-07 07:14:00,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266641899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:00,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:00,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 07:14:00,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199285870] [2024-11-07 07:14:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:00,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 07:14:00,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:00,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 07:14:00,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 07:14:00,734 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:01,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:01,479 INFO L93 Difference]: Finished difference Result 588 states and 915 transitions. [2024-11-07 07:14:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 07:14:01,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 07:14:01,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:01,483 INFO L225 Difference]: With dead ends: 588 [2024-11-07 07:14:01,483 INFO L226 Difference]: Without dead ends: 392 [2024-11-07 07:14:01,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:14:01,485 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 210 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:01,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 496 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 07:14:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-07 07:14:01,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 278. [2024-11-07 07:14:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.4352331606217616) internal successors, (277), 193 states have internal predecessors, (277), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 07:14:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 439 transitions. [2024-11-07 07:14:01,559 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 439 transitions. Word has length 181 [2024-11-07 07:14:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:01,560 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 439 transitions. [2024-11-07 07:14:01,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2024-11-07 07:14:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 07:14:01,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:01,564 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:01,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:14:01,564 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:01,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2116095531, now seen corresponding path program 1 times [2024-11-07 07:14:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:01,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331172988] [2024-11-07 07:14:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:08,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:08,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331172988] [2024-11-07 07:14:08,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331172988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:08,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:08,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:14:08,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587524140] [2024-11-07 07:14:08,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:08,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:14:08,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:08,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:14:08,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:14:08,667 INFO L87 Difference]: Start difference. First operand 278 states and 439 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:10,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:10,920 INFO L93 Difference]: Finished difference Result 718 states and 1092 transitions. [2024-11-07 07:14:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:14:10,920 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 07:14:10,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:10,926 INFO L225 Difference]: With dead ends: 718 [2024-11-07 07:14:10,926 INFO L226 Difference]: Without dead ends: 505 [2024-11-07 07:14:10,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-07 07:14:10,928 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 677 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:10,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 675 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 07:14:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-07 07:14:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 351. [2024-11-07 07:14:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 266 states have (on average 1.4360902255639099) internal successors, (382), 266 states have internal predecessors, (382), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 07:14:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 544 transitions. [2024-11-07 07:14:10,997 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 544 transitions. Word has length 181 [2024-11-07 07:14:10,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:10,997 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 544 transitions. [2024-11-07 07:14:10,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 544 transitions. [2024-11-07 07:14:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 07:14:10,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:11,000 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:11,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:14:11,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:11,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:11,000 INFO L85 PathProgramCache]: Analyzing trace with hash -403864403, now seen corresponding path program 1 times [2024-11-07 07:14:11,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:11,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120905583] [2024-11-07 07:14:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:13,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:13,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120905583] [2024-11-07 07:14:13,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120905583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:13,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:13,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:14:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929778130] [2024-11-07 07:14:13,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:13,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:14:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:14:13,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:14:13,137 INFO L87 Difference]: Start difference. First operand 351 states and 544 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:14,255 INFO L93 Difference]: Finished difference Result 774 states and 1190 transitions. [2024-11-07 07:14:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:14:14,255 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 07:14:14,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:14,259 INFO L225 Difference]: With dead ends: 774 [2024-11-07 07:14:14,259 INFO L226 Difference]: Without dead ends: 562 [2024-11-07 07:14:14,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:14:14,260 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 406 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:14,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 492 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:14:14,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-07 07:14:14,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 396. [2024-11-07 07:14:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 311 states have (on average 1.4244372990353698) internal successors, (443), 311 states have internal predecessors, (443), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 07:14:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 605 transitions. [2024-11-07 07:14:14,321 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 605 transitions. Word has length 181 [2024-11-07 07:14:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:14,322 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 605 transitions. [2024-11-07 07:14:14,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 605 transitions. [2024-11-07 07:14:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 07:14:14,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:14,325 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:14,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:14:14,325 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:14,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:14,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1498813395, now seen corresponding path program 1 times [2024-11-07 07:14:14,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:14,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342498413] [2024-11-07 07:14:14,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:14,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:16,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:16,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342498413] [2024-11-07 07:14:16,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342498413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:16,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:16,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:14:16,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791400971] [2024-11-07 07:14:16,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:16,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:14:16,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:16,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:14:16,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:14:16,557 INFO L87 Difference]: Start difference. First operand 396 states and 605 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:17,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:17,568 INFO L93 Difference]: Finished difference Result 746 states and 1132 transitions. [2024-11-07 07:14:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:14:17,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 07:14:17,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:17,574 INFO L225 Difference]: With dead ends: 746 [2024-11-07 07:14:17,574 INFO L226 Difference]: Without dead ends: 532 [2024-11-07 07:14:17,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:14:17,580 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 322 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:17,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 560 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 07:14:17,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-07 07:14:17,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 416. [2024-11-07 07:14:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 331 states have (on average 1.4350453172205437) internal successors, (475), 331 states have internal predecessors, (475), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 07:14:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 637 transitions. [2024-11-07 07:14:17,621 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 637 transitions. Word has length 181 [2024-11-07 07:14:17,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:17,622 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 637 transitions. [2024-11-07 07:14:17,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 637 transitions. [2024-11-07 07:14:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 07:14:17,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:17,624 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:17,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:14:17,625 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:17,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:17,625 INFO L85 PathProgramCache]: Analyzing trace with hash -165154790, now seen corresponding path program 1 times [2024-11-07 07:14:17,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:17,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262426945] [2024-11-07 07:14:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:17,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:18,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:18,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262426945] [2024-11-07 07:14:18,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262426945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:18,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:18,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:14:18,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035156590] [2024-11-07 07:14:18,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:18,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:14:18,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:18,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:14:18,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:14:18,046 INFO L87 Difference]: Start difference. First operand 416 states and 637 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:18,315 INFO L93 Difference]: Finished difference Result 672 states and 1032 transitions. [2024-11-07 07:14:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:14:18,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 07:14:18,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:18,321 INFO L225 Difference]: With dead ends: 672 [2024-11-07 07:14:18,321 INFO L226 Difference]: Without dead ends: 416 [2024-11-07 07:14:18,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 07:14:18,323 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 120 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:18,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 377 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:14:18,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-07 07:14:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 388. [2024-11-07 07:14:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 303 states have (on average 1.4026402640264026) internal successors, (425), 303 states have internal predecessors, (425), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 07:14:18,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 587 transitions. [2024-11-07 07:14:18,365 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 587 transitions. Word has length 181 [2024-11-07 07:14:18,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:18,366 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 587 transitions. [2024-11-07 07:14:18,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 587 transitions. [2024-11-07 07:14:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 07:14:18,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:18,368 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:18,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 07:14:18,368 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:18,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:18,369 INFO L85 PathProgramCache]: Analyzing trace with hash 443906289, now seen corresponding path program 1 times [2024-11-07 07:14:18,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:18,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794707860] [2024-11-07 07:14:18,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:18,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:20,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:20,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794707860] [2024-11-07 07:14:20,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794707860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:20,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:20,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:14:20,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799198766] [2024-11-07 07:14:20,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:20,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:14:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:20,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:14:20,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:14:20,885 INFO L87 Difference]: Start difference. First operand 388 states and 587 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:22,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:22,087 INFO L93 Difference]: Finished difference Result 769 states and 1149 transitions. [2024-11-07 07:14:22,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:14:22,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-07 07:14:22,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:22,091 INFO L225 Difference]: With dead ends: 769 [2024-11-07 07:14:22,091 INFO L226 Difference]: Without dead ends: 573 [2024-11-07 07:14:22,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-07 07:14:22,093 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 469 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:22,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 679 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 07:14:22,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-07 07:14:22,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 416. [2024-11-07 07:14:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 329 states have (on average 1.3829787234042554) internal successors, (455), 329 states have internal predecessors, (455), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 07:14:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 617 transitions. [2024-11-07 07:14:22,138 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 617 transitions. Word has length 182 [2024-11-07 07:14:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:22,138 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 617 transitions. [2024-11-07 07:14:22,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 617 transitions. [2024-11-07 07:14:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 07:14:22,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:22,141 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:22,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 07:14:22,142 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:22,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash 176093985, now seen corresponding path program 1 times [2024-11-07 07:14:22,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032519208] [2024-11-07 07:14:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:25,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032519208] [2024-11-07 07:14:25,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032519208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:25,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:25,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:14:25,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19024314] [2024-11-07 07:14:25,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:25,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:14:25,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:25,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:14:25,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:14:25,162 INFO L87 Difference]: Start difference. First operand 416 states and 617 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:27,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:27,892 INFO L93 Difference]: Finished difference Result 1137 states and 1688 transitions. [2024-11-07 07:14:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 07:14:27,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-07 07:14:27,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:27,898 INFO L225 Difference]: With dead ends: 1137 [2024-11-07 07:14:27,898 INFO L226 Difference]: Without dead ends: 875 [2024-11-07 07:14:27,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-07 07:14:27,903 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 577 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:27,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 662 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 07:14:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-07 07:14:27,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 711. [2024-11-07 07:14:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 566 states have (on average 1.3939929328621907) internal successors, (789), 566 states have internal predecessors, (789), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 07:14:27,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1059 transitions. [2024-11-07 07:14:27,964 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1059 transitions. Word has length 182 [2024-11-07 07:14:27,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:27,964 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1059 transitions. [2024-11-07 07:14:27,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1059 transitions. [2024-11-07 07:14:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 07:14:27,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:27,966 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:27,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 07:14:27,967 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:27,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash 856152355, now seen corresponding path program 1 times [2024-11-07 07:14:27,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:27,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263232325] [2024-11-07 07:14:27,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:27,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:32,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:32,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263232325] [2024-11-07 07:14:32,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263232325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:32,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:32,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 07:14:32,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688825473] [2024-11-07 07:14:32,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:32,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 07:14:32,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:32,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 07:14:32,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:14:32,346 INFO L87 Difference]: Start difference. First operand 711 states and 1059 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:33,855 INFO L93 Difference]: Finished difference Result 1338 states and 1973 transitions. [2024-11-07 07:14:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:14:33,856 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-07 07:14:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:33,861 INFO L225 Difference]: With dead ends: 1338 [2024-11-07 07:14:33,861 INFO L226 Difference]: Without dead ends: 811 [2024-11-07 07:14:33,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-11-07 07:14:33,865 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 316 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:33,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 822 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 07:14:33,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-07 07:14:33,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 711. [2024-11-07 07:14:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 566 states have (on average 1.392226148409894) internal successors, (788), 566 states have internal predecessors, (788), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 07:14:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1058 transitions. [2024-11-07 07:14:33,942 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1058 transitions. Word has length 182 [2024-11-07 07:14:33,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:33,943 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1058 transitions. [2024-11-07 07:14:33,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1058 transitions. [2024-11-07 07:14:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 07:14:33,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:33,946 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:33,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 07:14:33,946 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:33,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash 965881430, now seen corresponding path program 1 times [2024-11-07 07:14:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:33,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002648590] [2024-11-07 07:14:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:33,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:40,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:40,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002648590] [2024-11-07 07:14:40,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002648590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:40,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:40,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 07:14:40,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354174840] [2024-11-07 07:14:40,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:40,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 07:14:40,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:40,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 07:14:40,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:14:40,831 INFO L87 Difference]: Start difference. First operand 711 states and 1058 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:43,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:43,646 INFO L93 Difference]: Finished difference Result 1067 states and 1558 transitions. [2024-11-07 07:14:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 07:14:43,646 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-07 07:14:43,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:43,650 INFO L225 Difference]: With dead ends: 1067 [2024-11-07 07:14:43,651 INFO L226 Difference]: Without dead ends: 855 [2024-11-07 07:14:43,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-11-07 07:14:43,652 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 385 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:43,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 833 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 07:14:43,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-07 07:14:43,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 703. [2024-11-07 07:14:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 558 states have (on average 1.3942652329749103) internal successors, (778), 558 states have internal predecessors, (778), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 07:14:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1048 transitions. [2024-11-07 07:14:43,712 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1048 transitions. Word has length 183 [2024-11-07 07:14:43,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:43,713 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1048 transitions. [2024-11-07 07:14:43,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1048 transitions. [2024-11-07 07:14:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 07:14:43,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:43,715 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:43,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 07:14:43,715 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:43,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:43,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1060884472, now seen corresponding path program 1 times [2024-11-07 07:14:43,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:43,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726571311] [2024-11-07 07:14:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:43,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:46,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726571311] [2024-11-07 07:14:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726571311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:46,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:46,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:14:46,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141935712] [2024-11-07 07:14:46,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:46,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:14:46,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:46,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:14:46,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:14:46,549 INFO L87 Difference]: Start difference. First operand 703 states and 1048 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:50,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:14:50,637 INFO L93 Difference]: Finished difference Result 1581 states and 2347 transitions. [2024-11-07 07:14:50,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 07:14:50,637 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-07 07:14:50,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:14:50,642 INFO L225 Difference]: With dead ends: 1581 [2024-11-07 07:14:50,642 INFO L226 Difference]: Without dead ends: 1119 [2024-11-07 07:14:50,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2024-11-07 07:14:50,644 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 535 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:14:50,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 505 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 07:14:50,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-07 07:14:50,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 721. [2024-11-07 07:14:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 576 states have (on average 1.3923611111111112) internal successors, (802), 576 states have internal predecessors, (802), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 07:14:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1072 transitions. [2024-11-07 07:14:50,704 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1072 transitions. Word has length 183 [2024-11-07 07:14:50,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:14:50,705 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1072 transitions. [2024-11-07 07:14:50,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:14:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1072 transitions. [2024-11-07 07:14:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 07:14:50,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:14:50,706 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:50,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 07:14:50,707 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:14:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:14:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash 714122890, now seen corresponding path program 1 times [2024-11-07 07:14:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:14:50,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055953495] [2024-11-07 07:14:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:14:50,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:14:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:14:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:14:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:14:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:14:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:14:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:14:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:14:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:14:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:14:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:14:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:14:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:14:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:14:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:14:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:14:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:14:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:14:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:14:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:14:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:14:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:14:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:14:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:14:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:14:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:14:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:14:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:14:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:14:59,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:14:59,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:14:59,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055953495] [2024-11-07 07:14:59,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055953495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:14:59,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:14:59,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 07:14:59,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38479448] [2024-11-07 07:14:59,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:14:59,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 07:14:59,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:14:59,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 07:14:59,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:14:59,316 INFO L87 Difference]: Start difference. First operand 721 states and 1072 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:15:02,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:15:02,906 INFO L93 Difference]: Finished difference Result 1267 states and 1892 transitions. [2024-11-07 07:15:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:15:02,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-07 07:15:02,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:15:02,911 INFO L225 Difference]: With dead ends: 1267 [2024-11-07 07:15:02,911 INFO L226 Difference]: Without dead ends: 787 [2024-11-07 07:15:02,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-07 07:15:02,913 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 306 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:15:02,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 724 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-07 07:15:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-07 07:15:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 737. [2024-11-07 07:15:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 592 states have (on average 1.385135135135135) internal successors, (820), 592 states have internal predecessors, (820), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 07:15:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1090 transitions. [2024-11-07 07:15:02,969 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1090 transitions. Word has length 183 [2024-11-07 07:15:02,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:15:02,970 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1090 transitions. [2024-11-07 07:15:02,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:15:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1090 transitions. [2024-11-07 07:15:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 07:15:02,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:15:02,971 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:02,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 07:15:02,971 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:15:02,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:15:02,972 INFO L85 PathProgramCache]: Analyzing trace with hash -380826102, now seen corresponding path program 1 times [2024-11-07 07:15:02,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:15:02,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509619054] [2024-11-07 07:15:02,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:15:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:15:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:15:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:15:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 07:15:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:15:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 07:15:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:15:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 07:15:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:15:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 07:15:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:15:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:15:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:15:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:15:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:15:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:15:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 07:15:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:15:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 07:15:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:15:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:15:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:15:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 07:15:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:15:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 07:15:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:15:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:15:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:15:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:15:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 07:15:06,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:15:06,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509619054] [2024-11-07 07:15:06,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509619054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:15:06,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:15:06,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:15:06,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382818687] [2024-11-07 07:15:06,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:15:06,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:15:06,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:15:06,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:15:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:15:06,625 INFO L87 Difference]: Start difference. First operand 737 states and 1090 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:15:09,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:15:09,268 INFO L93 Difference]: Finished difference Result 1800 states and 2609 transitions. [2024-11-07 07:15:09,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 07:15:09,268 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-07 07:15:09,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:15:09,274 INFO L225 Difference]: With dead ends: 1800 [2024-11-07 07:15:09,274 INFO L226 Difference]: Without dead ends: 1114 [2024-11-07 07:15:09,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-07 07:15:09,276 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 437 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:15:09,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 813 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 07:15:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-07 07:15:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 801. [2024-11-07 07:15:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 656 states have (on average 1.3826219512195121) internal successors, (907), 656 states have internal predecessors, (907), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 07:15:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1177 transitions. [2024-11-07 07:15:09,366 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1177 transitions. Word has length 183 [2024-11-07 07:15:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:15:09,367 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1177 transitions. [2024-11-07 07:15:09,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 07:15:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1177 transitions. [2024-11-07 07:15:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 07:15:09,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:15:09,369 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:09,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 07:15:09,369 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:15:09,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:15:09,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1394181260, now seen corresponding path program 1 times [2024-11-07 07:15:09,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:15:09,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84554959] [2024-11-07 07:15:09,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:15:09,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:15:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat