./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.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-pe-cn_file-98.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', '1a96dadd4da1980e4cee86c0d732bfacf9b4c866e17571bb2c756167da4d7973'] 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-pe-cn_file-98.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 1a96dadd4da1980e4cee86c0d732bfacf9b4c866e17571bb2c756167da4d7973 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:04:19,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:04:19,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:04:19,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:04:19,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:04:19,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:04:19,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:04:19,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:04:19,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:04:19,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:04:19,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:04:19,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:04:19,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:04:19,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:04:19,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:04:19,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:04:19,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:04:19,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:04:19,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:04:19,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:04:19,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:04:19,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:04:19,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:04:19,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:04:19,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:04:19,816 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 -> 1a96dadd4da1980e4cee86c0d732bfacf9b4c866e17571bb2c756167da4d7973 [2024-11-07 06:04:20,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:04:20,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:04:20,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:04:20,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:04:20,147 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:04:20,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i [2024-11-07 06:04:21,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:04:21,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:04:21,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i [2024-11-07 06:04:21,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6f89787d/e32fa96b3714467eaba2fcae3a4fd49a/FLAGa390cf3b7 [2024-11-07 06:04:22,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6f89787d/e32fa96b3714467eaba2fcae3a4fd49a [2024-11-07 06:04:22,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:04:22,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:04:22,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:04:22,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:04:22,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:04:22,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70817d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22, skipping insertion in model container [2024-11-07 06:04:22,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:04:22,200 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-pe-cn_file-98.i[919,932] [2024-11-07 06:04:22,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:04:22,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:04:22,356 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-pe-cn_file-98.i[919,932] [2024-11-07 06:04:22,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:04:22,418 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:04:22,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22 WrapperNode [2024-11-07 06:04:22,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:04:22,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:04:22,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:04:22,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:04:22,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,479 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2024-11-07 06:04:22,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:04:22,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:04:22,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:04:22,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:04:22,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,534 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 06:04:22,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:04:22,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:04:22,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:04:22,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:04:22,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (1/1) ... [2024-11-07 06:04:22,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:04:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:04:22,615 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 06:04:22,619 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 06:04:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:04:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:04:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:04:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:04:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:04:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:04:22,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:04:22,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:04:23,402 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 06:04:23,403 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:04:23,418 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:04:23,419 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:04:23,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:04:23 BoogieIcfgContainer [2024-11-07 06:04:23,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:04:23,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:04:23,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:04:23,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:04:23,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:04:22" (1/3) ... [2024-11-07 06:04:23,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb9398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:04:23, skipping insertion in model container [2024-11-07 06:04:23,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:22" (2/3) ... [2024-11-07 06:04:23,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb9398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:04:23, skipping insertion in model container [2024-11-07 06:04:23,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:04:23" (3/3) ... [2024-11-07 06:04:23,430 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-98.i [2024-11-07 06:04:23,444 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:04:23,445 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:04:23,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:04:23,507 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;@66b48d5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:04:23,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:04:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 06:04:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-07 06:04:23,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:23,536 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:23,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:23,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1453392828, now seen corresponding path program 1 times [2024-11-07 06:04:23,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:23,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416987241] [2024-11-07 06:04:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:23,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:23,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:04:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:04:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:04:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:23,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:04:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:04:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 06:04:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:04:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:04:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:04:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:04:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:04:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:04:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:04:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:04:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:04:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:04:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:04:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:04:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:04:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:04:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:04:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:04:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:04:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:04:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:04:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:04:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:04:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:04:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:04:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:04:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:04:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:04:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:04:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:04:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:04:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:04:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:04:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 06:04:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:04:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 06:04:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 06:04:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 06:04:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 06:04:24,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:04:24,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416987241] [2024-11-07 06:04:24,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416987241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:04:24,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:04:24,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:04:24,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263634794] [2024-11-07 06:04:24,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:04:24,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:04:24,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:04:24,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:04:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:04:24,409 INFO L87 Difference]: Start difference. First operand has 118 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 06:04:24,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:04:24,463 INFO L93 Difference]: Finished difference Result 229 states and 410 transitions. [2024-11-07 06:04:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:04:24,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 261 [2024-11-07 06:04:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:04:24,483 INFO L225 Difference]: With dead ends: 229 [2024-11-07 06:04:24,484 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 06:04:24,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 06:04:24,491 INFO L432 NwaCegarLoop]: 180 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, 180 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 06:04:24,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:04:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 06:04:24,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-07 06:04:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 70 states have internal predecessors, (96), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 06:04:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 180 transitions. [2024-11-07 06:04:24,556 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 180 transitions. Word has length 261 [2024-11-07 06:04:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:04:24,557 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 180 transitions. [2024-11-07 06:04:24,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 06:04:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2024-11-07 06:04:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-07 06:04:24,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:24,565 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:24,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:04:24,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:24,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:24,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1697747460, now seen corresponding path program 1 times [2024-11-07 06:04:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:24,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710692641] [2024-11-07 06:04:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:04:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:04:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:04:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:04:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:04:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 06:04:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:04:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:04:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:04:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:04:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:04:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:04:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:04:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:04:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:04:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:04:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:04:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:04:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:04:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:04:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:04:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:04:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:04:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:04:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:04:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:04:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:04:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:04:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:04:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:04:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:04:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:04:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:04:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:04:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:04:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:04:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:04:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 06:04:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:04:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 06:04:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 06:04:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 06:04:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 06:04:26,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:04:26,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710692641] [2024-11-07 06:04:26,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710692641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:04:26,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:04:26,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:04:26,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836071132] [2024-11-07 06:04:26,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:04:26,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:04:26,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:04:26,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:04:26,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:04:26,115 INFO L87 Difference]: Start difference. First operand 114 states and 180 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 06:04:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:04:26,271 INFO L93 Difference]: Finished difference Result 298 states and 472 transitions. [2024-11-07 06:04:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:04:26,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-07 06:04:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:04:26,280 INFO L225 Difference]: With dead ends: 298 [2024-11-07 06:04:26,280 INFO L226 Difference]: Without dead ends: 187 [2024-11-07 06:04:26,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:04:26,286 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 172 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:04:26,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 390 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:04:26,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-07 06:04:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 114. [2024-11-07 06:04:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 06:04:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 179 transitions. [2024-11-07 06:04:26,316 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 179 transitions. Word has length 261 [2024-11-07 06:04:26,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:04:26,319 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 179 transitions. [2024-11-07 06:04:26,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 06:04:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 179 transitions. [2024-11-07 06:04:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-07 06:04:26,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:26,331 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:26,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:04:26,331 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:26,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:26,332 INFO L85 PathProgramCache]: Analyzing trace with hash 8803718, now seen corresponding path program 1 times [2024-11-07 06:04:26,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:26,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277381596] [2024-11-07 06:04:26,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:04:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:04:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:04:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:04:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:04:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 06:04:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:04:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:04:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:04:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:04:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:04:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:04:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:04:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:04:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:04:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:04:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:04:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:04:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:04:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:04:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:04:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:04:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:04:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:04:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:04:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:04:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:04:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:04:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:04:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:04:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:04:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:04:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:04:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:04:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:04:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:04:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:04:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 06:04:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:04:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 06:04:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 06:04:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 06:04:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 06:04:28,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:04:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277381596] [2024-11-07 06:04:28,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277381596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:04:28,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:04:28,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:04:28,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235667698] [2024-11-07 06:04:28,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:04:28,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:04:28,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:04:28,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:04:28,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:04:28,668 INFO L87 Difference]: Start difference. First operand 114 states and 179 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 06:04:29,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:04:29,590 INFO L93 Difference]: Finished difference Result 472 states and 743 transitions. [2024-11-07 06:04:29,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:04:29,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-07 06:04:29,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:04:29,595 INFO L225 Difference]: With dead ends: 472 [2024-11-07 06:04:29,595 INFO L226 Difference]: Without dead ends: 361 [2024-11-07 06:04:29,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:04:29,597 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 564 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 06:04:29,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 531 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 06:04:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-07 06:04:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 281. [2024-11-07 06:04:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 173 states have (on average 1.369942196531792) internal successors, (237), 174 states have internal predecessors, (237), 104 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-07 06:04:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 445 transitions. [2024-11-07 06:04:29,716 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 445 transitions. Word has length 261 [2024-11-07 06:04:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:04:29,719 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 445 transitions. [2024-11-07 06:04:29,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 06:04:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 445 transitions. [2024-11-07 06:04:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-07 06:04:29,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:29,725 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:29,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:04:29,725 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:29,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:29,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1002313532, now seen corresponding path program 1 times [2024-11-07 06:04:29,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:29,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573539233] [2024-11-07 06:04:29,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:29,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:04:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:04:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:04:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:04:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:04:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 06:04:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:04:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:04:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:04:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:04:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:04:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:04:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:04:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:04:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:04:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:04:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:04:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:04:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:04:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:04:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:04:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:04:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:04:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:04:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:04:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:04:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:04:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:04:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:04:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:04:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:04:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:04:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:04:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:04:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:04:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:04:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:04:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 06:04:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:04:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 06:04:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 06:04:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 06:04:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 06:04:30,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:04:30,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573539233] [2024-11-07 06:04:30,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573539233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:04:30,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:04:30,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:04:30,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002997399] [2024-11-07 06:04:30,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:04:30,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:04:30,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:04:30,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:04:30,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:04:30,262 INFO L87 Difference]: Start difference. First operand 281 states and 445 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 06:04:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:04:30,311 INFO L93 Difference]: Finished difference Result 562 states and 893 transitions. [2024-11-07 06:04:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:04:30,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-07 06:04:30,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:04:30,316 INFO L225 Difference]: With dead ends: 562 [2024-11-07 06:04:30,317 INFO L226 Difference]: Without dead ends: 284 [2024-11-07 06:04:30,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:04:30,319 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:04:30,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:04:30,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-07 06:04:30,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-07 06:04:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 176 states have (on average 1.3636363636363635) internal successors, (240), 177 states have internal predecessors, (240), 104 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-07 06:04:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 448 transitions. [2024-11-07 06:04:30,381 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 448 transitions. Word has length 261 [2024-11-07 06:04:30,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:04:30,382 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 448 transitions. [2024-11-07 06:04:30,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 06:04:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 448 transitions. [2024-11-07 06:04:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-07 06:04:30,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:30,386 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:30,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:04:30,387 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:30,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:30,387 INFO L85 PathProgramCache]: Analyzing trace with hash 915551641, now seen corresponding path program 1 times [2024-11-07 06:04:30,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:30,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182198039] [2024-11-07 06:04:30,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:30,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat