./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-54.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-co_file-54.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', '97238de597c4e8f84628f68f9062259a9fa36de62009c5faa84eaf7e3db390ff'] 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-co_file-54.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 97238de597c4e8f84628f68f9062259a9fa36de62009c5faa84eaf7e3db390ff --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:10:05,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:10:05,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:10:05,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:10:05,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:10:05,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:10:05,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:10:05,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:10:05,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:10:05,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:10:05,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:10:05,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:10:05,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:10:05,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:10:05,421 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:10:05,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:10:05,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:10:05,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:10:05,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:10:05,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:10:05,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:10:05,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:10:05,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:10:05,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:10:05,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:10:05,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:10:05,427 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 -> 97238de597c4e8f84628f68f9062259a9fa36de62009c5faa84eaf7e3db390ff [2024-11-07 06:10:05,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:10:05,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:10:05,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:10:05,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:10:05,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:10:05,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-54.i [2024-11-07 06:10:07,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:10:07,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:10:07,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-54.i [2024-11-07 06:10:07,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5207a695a/60909814e1a3407db99c6733212963b4/FLAG12edaea31 [2024-11-07 06:10:07,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5207a695a/60909814e1a3407db99c6733212963b4 [2024-11-07 06:10:07,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:10:07,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:10:07,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:10:07,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:10:07,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:10:07,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:07,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e83394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07, skipping insertion in model container [2024-11-07 06:10:07,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:07,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:10:07,814 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-co_file-54.i[919,932] [2024-11-07 06:10:07,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:10:07,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:10:07,916 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-co_file-54.i[919,932] [2024-11-07 06:10:07,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:10:07,968 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:10:07,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07 WrapperNode [2024-11-07 06:10:07,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:10:07,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:10:07,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:10:07,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:10:07,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:07,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,033 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2024-11-07 06:10:08,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:10:08,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:10:08,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:10:08,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:10:08,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,071 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 06:10:08,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:10:08,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:10:08,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:10:08,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:10:08,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (1/1) ... [2024-11-07 06:10:08,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:10:08,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:10:08,143 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 06:10:08,150 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 06:10:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:10:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:10:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:10:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:10:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:10:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:10:08,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:10:08,290 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:10:08,789 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 06:10:08,791 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:10:08,805 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:10:08,806 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:10:08,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:10:08 BoogieIcfgContainer [2024-11-07 06:10:08,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:10:08,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:10:08,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:10:08,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:10:08,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:10:07" (1/3) ... [2024-11-07 06:10:08,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347726a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:10:08, skipping insertion in model container [2024-11-07 06:10:08,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:10:07" (2/3) ... [2024-11-07 06:10:08,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347726a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:10:08, skipping insertion in model container [2024-11-07 06:10:08,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:10:08" (3/3) ... [2024-11-07 06:10:08,819 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-54.i [2024-11-07 06:10:08,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:10:08,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:10:08,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:10:08,913 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;@448bf893, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:10:08,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:10:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 66 states have (on average 1.393939393939394) internal successors, (92), 67 states have internal predecessors, (92), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-07 06:10:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 06:10:08,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:10:08,940 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:08,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:10:08,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:10:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash -912248291, now seen corresponding path program 1 times [2024-11-07 06:10:08,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:10:08,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797773939] [2024-11-07 06:10:08,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:10:08,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:10:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:10:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:10:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:10:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:10:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:10:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:10:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:10:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:10:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:10:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:10:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:10:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:10:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:10:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:10:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:10:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:10:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:10:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:10:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:10:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:10:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:10:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:10:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:10:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 06:10:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 06:10:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:10:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:10:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:10:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:10:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:10:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:10:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:10:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:10:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:10:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:10:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:10:09,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:10:09,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797773939] [2024-11-07 06:10:09,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797773939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:10:09,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:10:09,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:10:09,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427314540] [2024-11-07 06:10:09,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:10:09,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:10:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:10:09,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:10:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:10:09,624 INFO L87 Difference]: Start difference. First operand has 104 states, 66 states have (on average 1.393939393939394) internal successors, (92), 67 states have internal predecessors, (92), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) 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, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-07 06:10:09,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:10:09,664 INFO L93 Difference]: Finished difference Result 200 states and 351 transitions. [2024-11-07 06:10:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:10:09,667 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, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 226 [2024-11-07 06:10:09,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:10:09,675 INFO L225 Difference]: With dead ends: 200 [2024-11-07 06:10:09,676 INFO L226 Difference]: Without dead ends: 99 [2024-11-07 06:10:09,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 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 06:10:09,686 INFO L432 NwaCegarLoop]: 151 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, 151 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 06:10:09,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:10:09,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-07 06:10:09,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-07 06:10:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 62 states have internal predecessors, (81), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-07 06:10:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 151 transitions. [2024-11-07 06:10:09,753 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 151 transitions. Word has length 226 [2024-11-07 06:10:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:10:09,755 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 151 transitions. [2024-11-07 06:10:09,755 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, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-07 06:10:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2024-11-07 06:10:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 06:10:09,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:10:09,762 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:09,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:10:09,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:10:09,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:10:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1388078745, now seen corresponding path program 1 times [2024-11-07 06:10:09,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:10:09,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749001892] [2024-11-07 06:10:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:10:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:10:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:10:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:10:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:10:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:10:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:10:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:10:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:10:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:10:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:10:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:10:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:10:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:10:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:10:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:10:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:10:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:10:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:10:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:10:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:10:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:10:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:10:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:10:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:10:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 06:10:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 06:10:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:10:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:10:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:10:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:10:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:10:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:10:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:10:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:10:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:10:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:10:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:10:10,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:10:10,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749001892] [2024-11-07 06:10:10,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749001892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:10:10,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:10:10,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:10:10,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906903734] [2024-11-07 06:10:10,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:10:10,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:10:10,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:10:10,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:10:10,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:10:10,448 INFO L87 Difference]: Start difference. First operand 99 states and 151 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, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:10:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:10:10,582 INFO L93 Difference]: Finished difference Result 288 states and 442 transitions. [2024-11-07 06:10:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:10:10,583 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, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 226 [2024-11-07 06:10:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:10:10,586 INFO L225 Difference]: With dead ends: 288 [2024-11-07 06:10:10,586 INFO L226 Difference]: Without dead ends: 192 [2024-11-07 06:10:10,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 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 06:10:10,592 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 138 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:10:10,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 402 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:10:10,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-07 06:10:10,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2024-11-07 06:10:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 117 states have (on average 1.2820512820512822) internal successors, (150), 117 states have internal predecessors, (150), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-07 06:10:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 290 transitions. [2024-11-07 06:10:10,641 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 290 transitions. Word has length 226 [2024-11-07 06:10:10,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:10:10,645 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 290 transitions. [2024-11-07 06:10:10,645 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, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:10:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 290 transitions. [2024-11-07 06:10:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 06:10:10,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:10:10,650 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:10,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:10:10,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:10:10,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:10:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash -708020375, now seen corresponding path program 1 times [2024-11-07 06:10:10,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:10:10,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531606762] [2024-11-07 06:10:10,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:10:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:10:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:10:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:10:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:10:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:10:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:10:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:10:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:10:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:10:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:10:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:10:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:10:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:10:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:10:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:10:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:10:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:10:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:10:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:10:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:10:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:10:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:10:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:10:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:10:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 06:10:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 06:10:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:10:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:10:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:10:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:10:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:10:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:10:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:10:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:10:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:10:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:10:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:10:11,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:10:11,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531606762] [2024-11-07 06:10:11,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531606762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:10:11,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:10:11,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:10:11,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493517333] [2024-11-07 06:10:11,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:10:11,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:10:11,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:10:11,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:10:11,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:10:11,515 INFO L87 Difference]: Start difference. First operand 190 states and 290 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:10:11,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:10:11,798 INFO L93 Difference]: Finished difference Result 485 states and 741 transitions. [2024-11-07 06:10:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 06:10:11,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 226 [2024-11-07 06:10:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:10:11,804 INFO L225 Difference]: With dead ends: 485 [2024-11-07 06:10:11,804 INFO L226 Difference]: Without dead ends: 298 [2024-11-07 06:10:11,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:10:11,806 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 92 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:10:11,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 436 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:10:11,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-07 06:10:11,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 256. [2024-11-07 06:10:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 147 states have (on average 1.2244897959183674) internal successors, (180), 147 states have internal predecessors, (180), 105 states have call successors, (105), 3 states have call predecessors, (105), 3 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-07 06:10:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 390 transitions. [2024-11-07 06:10:11,876 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 390 transitions. Word has length 226 [2024-11-07 06:10:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:10:11,881 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 390 transitions. [2024-11-07 06:10:11,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:10:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 390 transitions. [2024-11-07 06:10:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-07 06:10:11,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:10:11,885 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:11,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:10:11,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:10:11,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:10:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash -155070732, now seen corresponding path program 1 times [2024-11-07 06:10:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:10:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030275253] [2024-11-07 06:10:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:10:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:10:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:10:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:10:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:10:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:10:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:10:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:10:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:10:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:10:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:10:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:10:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:10:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:10:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:10:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:10:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:10:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:10:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:10:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:10:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:10:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:10:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:10:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:10:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:10:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 06:10:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 06:10:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 06:10:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:10:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:10:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:10:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:10:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:10:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:10:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:10:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:10:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:14,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 06:10:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:10:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 48 proven. 240 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2024-11-07 06:10:14,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:10:14,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030275253] [2024-11-07 06:10:14,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030275253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 06:10:14,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797903371] [2024-11-07 06:10:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:10:14,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:10:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:10:14,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 06:10:14,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process