./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.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-pr-cn_file-95.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', '54b21eb7b86694f81e77523bf2f504625957e559b5f3ce77b6da4be0f88a0bc0'] 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-pr-cn_file-95.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 54b21eb7b86694f81e77523bf2f504625957e559b5f3ce77b6da4be0f88a0bc0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:36:56,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:36:56,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:36:56,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:36:56,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:36:56,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:36:56,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:36:56,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:36:56,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:36:56,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:36:56,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:36:56,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:36:56,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:36:56,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:36:56,607 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:36:56,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:36:56,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:36:56,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:36:56,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:36:56,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:36:56,609 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 -> 54b21eb7b86694f81e77523bf2f504625957e559b5f3ce77b6da4be0f88a0bc0 [2024-11-07 06:36:56,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:36:56,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:36:56,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:36:56,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:36:56,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:36:56,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i [2024-11-07 06:36:58,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:36:58,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:36:58,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i [2024-11-07 06:36:58,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e400636ae/48aee39d541e44dcba173c973679f8a0/FLAGe8c1890c8 [2024-11-07 06:36:58,566 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e400636ae/48aee39d541e44dcba173c973679f8a0 [2024-11-07 06:36:58,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:36:58,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:36:58,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:36:58,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:36:58,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:36:58,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e82fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58, skipping insertion in model container [2024-11-07 06:36:58,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:36:58,732 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-pr-cn_file-95.i[919,932] [2024-11-07 06:36:58,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:36:58,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:36:58,825 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-pr-cn_file-95.i[919,932] [2024-11-07 06:36:58,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:36:58,890 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:36:58,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58 WrapperNode [2024-11-07 06:36:58,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:36:58,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:36:58,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:36:58,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:36:58,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,940 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 279 [2024-11-07 06:36:58,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:36:58,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:36:58,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:36:58,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:36:58,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,982 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 06:36:58,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:58,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:59,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:59,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:59,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:36:59,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:36:59,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:36:59,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:36:59,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (1/1) ... [2024-11-07 06:36:59,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:36:59,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:36:59,041 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 06:36:59,046 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 06:36:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:36:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:36:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:36:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:36:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:36:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:36:59,147 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:36:59,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:36:59,538 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-07 06:36:59,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:36:59,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:36:59,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:36:59,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:36:59 BoogieIcfgContainer [2024-11-07 06:36:59,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:36:59,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:36:59,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:36:59,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:36:59,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:36:58" (1/3) ... [2024-11-07 06:36:59,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6789410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:36:59, skipping insertion in model container [2024-11-07 06:36:59,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:36:58" (2/3) ... [2024-11-07 06:36:59,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6789410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:36:59, skipping insertion in model container [2024-11-07 06:36:59,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:36:59" (3/3) ... [2024-11-07 06:36:59,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i [2024-11-07 06:36:59,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:36:59,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:36:59,632 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:36:59,646 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;@21a90caf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:36:59,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:36:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 06:36:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-07 06:36:59,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:36:59,669 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:59,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:36:59,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:36:59,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1916030580, now seen corresponding path program 1 times [2024-11-07 06:36:59,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:36:59,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107908158] [2024-11-07 06:36:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:36:59,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:36:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:37:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:37:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:37:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:37:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:37:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:37:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:37:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:37:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:37:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 06:37:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:37:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 06:37:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:37:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 06:37:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:37:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:37:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:37:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:37:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:37:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:37:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:37:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:37:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:37:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:37:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:37:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:37:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:37:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:37:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:37:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:37:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 06:37:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:37:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:37:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:37:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:37:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 06:37:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 06:37:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 06:37:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 06:37:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 06:37:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 06:37:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 06:37:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 06:37:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 06:37:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:37:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:37:00,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:37:00,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107908158] [2024-11-07 06:37:00,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107908158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:37:00,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:37:00,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:37:00,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129258057] [2024-11-07 06:37:00,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:37:00,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:37:00,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:37:00,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:37:00,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:37:00,293 INFO L87 Difference]: Start difference. First operand has 123 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-07 06:37:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:37:00,341 INFO L93 Difference]: Finished difference Result 238 states and 426 transitions. [2024-11-07 06:37:00,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:37:00,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 274 [2024-11-07 06:37:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:37:00,353 INFO L225 Difference]: With dead ends: 238 [2024-11-07 06:37:00,353 INFO L226 Difference]: Without dead ends: 118 [2024-11-07 06:37:00,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 06:37:00,361 INFO L432 NwaCegarLoop]: 185 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, 185 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 06:37:00,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:37:00,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-07 06:37:00,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-07 06:37:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 06:37:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 185 transitions. [2024-11-07 06:37:00,432 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 185 transitions. Word has length 274 [2024-11-07 06:37:00,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:37:00,433 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 185 transitions. [2024-11-07 06:37:00,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-07 06:37:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2024-11-07 06:37:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-07 06:37:00,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:37:00,441 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:00,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:37:00,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:37:00,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:37:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1696662268, now seen corresponding path program 1 times [2024-11-07 06:37:00,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:37:00,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002107972] [2024-11-07 06:37:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:37:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:37:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat