./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 23:03:18,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 23:03:18,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 23:03:18,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 23:03:18,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 23:03:18,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 23:03:18,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 23:03:18,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 23:03:18,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 23:03:18,512 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 23:03:18,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 23:03:18,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 23:03:18,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 23:03:18,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 23:03:18,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 23:03:18,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 23:03:18,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 23:03:18,515 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 23:03:18,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 23:03:18,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 23:03:18,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 23:03:18,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 23:03:18,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 23:03:18,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 23:03:18,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 23:03:18,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 23:03:18,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 23:03:18,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 23:03:18,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 23:03:18,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 23:03:18,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 23:03:18,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 23:03:18,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 23:03:18,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 23:03:18,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 23:03:18,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 23:03:18,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 23:03:18,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 23:03:18,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 23:03:18,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 23:03:18,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 23:03:18,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 23:03:18,528 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 [2024-11-19 23:03:18,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 23:03:18,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 23:03:18,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 23:03:18,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 23:03:18,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 23:03:18,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2024-11-19 23:03:20,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 23:03:20,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 23:03:20,625 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2024-11-19 23:03:20,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a10733f/204836d1911c4ff190d4f2492fbc75b8/FLAG29658f3d5 [2024-11-19 23:03:20,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a10733f/204836d1911c4ff190d4f2492fbc75b8 [2024-11-19 23:03:20,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 23:03:20,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 23:03:20,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 23:03:20,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 23:03:20,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 23:03:20,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:03:20" (1/1) ... [2024-11-19 23:03:20,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a547cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:20, skipping insertion in model container [2024-11-19 23:03:20,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:03:20" (1/1) ... [2024-11-19 23:03:20,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 23:03:21,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2024-11-19 23:03:21,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 23:03:21,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 23:03:21,535 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2024-11-19 23:03:21,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 23:03:21,663 INFO L204 MainTranslator]: Completed translation [2024-11-19 23:03:21,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21 WrapperNode [2024-11-19 23:03:21,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 23:03:21,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 23:03:21,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 23:03:21,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 23:03:21,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,756 INFO L138 Inliner]: procedures = 145, calls = 464, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 789 [2024-11-19 23:03:21,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 23:03:21,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 23:03:21,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 23:03:21,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 23:03:21,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,841 INFO L175 MemorySlicer]: Split 310 memory accesses to 15 slices as follows [2, 8, 8, 8, 62, 4, 57, 0, 25, 25, 11, 13, 37, 37, 13]. 20 percent of accesses are in the largest equivalence class. The 76 initializations are split as follows [2, 3, 3, 3, 21, 2, 21, 0, 7, 7, 7, 0, 0, 0, 0]. The 71 writes are split as follows [0, 2, 2, 2, 23, 2, 18, 0, 8, 8, 2, 1, 1, 1, 1]. [2024-11-19 23:03:21,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 23:03:21,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 23:03:21,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 23:03:21,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 23:03:21,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (1/1) ... [2024-11-19 23:03:21,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 23:03:21,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:21,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 23:03:21,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 23:03:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 23:03:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 23:03:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 23:03:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 23:03:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 23:03:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 23:03:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 23:03:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 23:03:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 23:03:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 23:03:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 23:03:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 23:03:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 23:03:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 23:03:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 23:03:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 23:03:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 23:03:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 23:03:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 23:03:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 23:03:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 23:03:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 23:03:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 23:03:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 23:03:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 23:03:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 23:03:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 23:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 23:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 23:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 23:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 23:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 23:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 23:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 23:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 23:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 23:03:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 23:03:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 23:03:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 23:03:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 23:03:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-19 23:03:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 23:03:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 23:03:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 23:03:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 23:03:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 23:03:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 23:03:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 23:03:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 23:03:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-19 23:03:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 23:03:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 23:03:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-19 23:03:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 23:03:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 23:03:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 23:03:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 23:03:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 23:03:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 23:03:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 23:03:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 23:03:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 23:03:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 23:03:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 23:03:22,353 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 23:03:22,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 23:03:22,702 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-19 23:03:22,702 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-19 23:03:22,702 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-19 23:03:22,702 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-19 23:03:22,702 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2024-11-19 23:03:22,702 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-19 23:03:22,703 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-19 23:03:27,249 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-19 23:03:27,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 23:03:27,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 23:03:27,301 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 23:03:27,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:03:27 BoogieIcfgContainer [2024-11-19 23:03:27,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 23:03:27,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 23:03:27,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 23:03:27,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 23:03:27,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:03:20" (1/3) ... [2024-11-19 23:03:27,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef7dadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:03:27, skipping insertion in model container [2024-11-19 23:03:27,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:21" (2/3) ... [2024-11-19 23:03:27,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef7dadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:03:27, skipping insertion in model container [2024-11-19 23:03:27,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:03:27" (3/3) ... [2024-11-19 23:03:27,318 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib_longer-1.i [2024-11-19 23:03:27,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 23:03:27,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 23:03:27,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 23:03:27,448 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;@5bf1119c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 23:03:27,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 23:03:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 114 states have internal predecessors, (150), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 23:03:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-19 23:03:27,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:27,483 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:27,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:27,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash -353604945, now seen corresponding path program 1 times [2024-11-19 23:03:27,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:27,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402548768] [2024-11-19 23:03:27,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:27,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 23:03:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:03:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-19 23:03:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-19 23:03:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 23:03:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 23:03:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-19 23:03:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 23:03:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 23:03:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 23:03:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 23:03:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 23:03:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 23:03:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 23:03:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 23:03:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 23:03:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 23:03:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 23:03:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 23:03:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 23:03:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 23:03:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 23:03:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 23:03:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 23:03:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 23:03:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-19 23:03:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-19 23:03:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-19 23:03:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-19 23:03:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-19 23:03:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-19 23:03:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-19 23:03:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-19 23:03:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-19 23:03:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-19 23:03:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-19 23:03:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-19 23:03:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-19 23:03:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-19 23:03:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-19 23:03:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-19 23:03:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-19 23:03:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-19 23:03:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-19 23:03:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-19 23:03:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-19 23:03:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-19 23:03:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-19 23:03:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-19 23:03:28,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:28,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402548768] [2024-11-19 23:03:28,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402548768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:28,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:28,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 23:03:28,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295497612] [2024-11-19 23:03:28,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:28,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 23:03:28,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:28,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 23:03:28,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:28,966 INFO L87 Difference]: Start difference. First operand has 186 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 114 states have internal predecessors, (150), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-19 23:03:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:29,082 INFO L93 Difference]: Finished difference Result 374 states and 639 transitions. [2024-11-19 23:03:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 23:03:29,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 300 [2024-11-19 23:03:29,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:29,100 INFO L225 Difference]: With dead ends: 374 [2024-11-19 23:03:29,100 INFO L226 Difference]: Without dead ends: 186 [2024-11-19 23:03:29,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:29,115 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 4 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:29,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 547 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:29,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-19 23:03:29,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2024-11-19 23:03:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 111 states have (on average 1.2702702702702702) internal successors, (141), 111 states have internal predecessors, (141), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 23:03:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 275 transitions. [2024-11-19 23:03:29,200 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 275 transitions. Word has length 300 [2024-11-19 23:03:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:29,201 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 275 transitions. [2024-11-19 23:03:29,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-19 23:03:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 275 transitions. [2024-11-19 23:03:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-19 23:03:29,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:29,233 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:29,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 23:03:29,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:29,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:29,234 INFO L85 PathProgramCache]: Analyzing trace with hash 61818419, now seen corresponding path program 1 times [2024-11-19 23:03:29,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:29,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614266579] [2024-11-19 23:03:29,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:29,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 23:03:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:03:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 23:03:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 23:03:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 23:03:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-19 23:03:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:03:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 23:03:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 23:03:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 23:03:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 23:03:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 23:03:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 23:03:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 23:03:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 23:03:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 23:03:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:03:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:03:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:03:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:03:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:03:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:03:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:03:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:03:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:03:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:03:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:03:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:03:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:03:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:03:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:03:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:03:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:03:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:03:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-19 23:03:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-19 23:03:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-19 23:03:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-19 23:03:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-19 23:03:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-19 23:03:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-19 23:03:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-19 23:03:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-19 23:03:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-19 23:03:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4513 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-19 23:03:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614266579] [2024-11-19 23:03:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614266579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:30,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 23:03:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034484472] [2024-11-19 23:03:30,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:30,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 23:03:30,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:30,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 23:03:30,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:30,071 INFO L87 Difference]: Start difference. First operand 183 states and 275 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-19 23:03:30,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:30,131 INFO L93 Difference]: Finished difference Result 365 states and 550 transitions. [2024-11-19 23:03:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 23:03:30,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 303 [2024-11-19 23:03:30,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:30,134 INFO L225 Difference]: With dead ends: 365 [2024-11-19 23:03:30,137 INFO L226 Difference]: Without dead ends: 185 [2024-11-19 23:03:30,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:30,140 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 1 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:30,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 541 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-19 23:03:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 184. [2024-11-19 23:03:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 112 states have internal predecessors, (142), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 23:03:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 276 transitions. [2024-11-19 23:03:30,175 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 276 transitions. Word has length 303 [2024-11-19 23:03:30,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:30,176 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 276 transitions. [2024-11-19 23:03:30,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-19 23:03:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 276 transitions. [2024-11-19 23:03:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-19 23:03:30,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:30,187 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:30,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 23:03:30,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:30,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:30,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2145405109, now seen corresponding path program 1 times [2024-11-19 23:03:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:30,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658997854] [2024-11-19 23:03:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-19 23:03:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-19 23:03:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:03:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:03:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 23:03:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-19 23:03:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-19 23:03:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 23:03:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 23:03:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 23:03:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 23:03:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 23:03:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 23:03:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 23:03:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 23:03:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 23:03:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 23:03:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 23:03:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 23:03:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 23:03:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 23:03:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 23:03:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 23:03:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-19 23:03:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-19 23:03:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-19 23:03:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-19 23:03:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-19 23:03:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 23:03:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-19 23:03:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-19 23:03:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-19 23:03:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-19 23:03:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-19 23:03:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-19 23:03:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-19 23:03:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-19 23:03:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-19 23:03:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-19 23:03:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-19 23:03:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-19 23:03:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-19 23:03:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-19 23:03:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-19 23:03:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-19 23:03:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-19 23:03:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-19 23:03:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-19 23:03:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4514 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-19 23:03:30,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:30,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658997854] [2024-11-19 23:03:30,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658997854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:03:30,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670350493] [2024-11-19 23:03:30,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:30,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:30,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:30,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:03:30,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 23:03:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:31,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 23:03:31,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:03:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4514 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-19 23:03:31,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 23:03:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4514 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-19 23:03:32,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670350493] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 23:03:32,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 23:03:32,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-19 23:03:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293556025] [2024-11-19 23:03:32,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 23:03:32,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 23:03:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 23:03:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 23:03:32,215 INFO L87 Difference]: Start difference. First operand 184 states and 276 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2024-11-19 23:03:32,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:32,278 INFO L93 Difference]: Finished difference Result 369 states and 555 transitions. [2024-11-19 23:03:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 23:03:32,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) Word has length 305 [2024-11-19 23:03:32,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:32,282 INFO L225 Difference]: With dead ends: 369 [2024-11-19 23:03:32,283 INFO L226 Difference]: Without dead ends: 188 [2024-11-19 23:03:32,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 703 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 23:03:32,285 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 1 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:32,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 810 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-19 23:03:32,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-19 23:03:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 116 states have internal predecessors, (146), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 23:03:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 280 transitions. [2024-11-19 23:03:32,312 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 280 transitions. Word has length 305 [2024-11-19 23:03:32,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:32,312 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 280 transitions. [2024-11-19 23:03:32,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2024-11-19 23:03:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 280 transitions. [2024-11-19 23:03:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-19 23:03:32,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:32,317 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:32,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 23:03:32,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:32,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:32,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:32,519 INFO L85 PathProgramCache]: Analyzing trace with hash -756898759, now seen corresponding path program 2 times [2024-11-19 23:03:32,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:32,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205936532] [2024-11-19 23:03:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:03:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 23:03:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 23:03:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 23:03:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-19 23:03:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:03:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 23:03:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 23:03:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 23:03:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 23:03:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 23:03:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 23:03:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 23:03:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 23:03:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 23:03:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:03:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:03:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:03:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:03:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:03:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:03:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:03:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:03:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:03:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:03:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:03:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:03:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:03:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:03:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:03:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:03:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:03:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:03:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-19 23:03:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-19 23:03:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-19 23:03:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-19 23:03:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-19 23:03:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-19 23:03:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-19 23:03:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-19 23:03:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-19 23:03:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-19 23:03:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-19 23:03:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4522 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4521 trivial. 0 not checked. [2024-11-19 23:03:33,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205936532] [2024-11-19 23:03:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205936532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:03:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677185201] [2024-11-19 23:03:33,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 23:03:33,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:33,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:33,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:03:33,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 23:03:34,012 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 23:03:34,012 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 23:03:34,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 23:03:34,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:03:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4522 trivial. 0 not checked. [2024-11-19 23:03:34,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 23:03:34,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677185201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 23:03:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-19 23:03:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585222407] [2024-11-19 23:03:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:34,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 23:03:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 23:03:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 23:03:34,729 INFO L87 Difference]: Start difference. First operand 188 states and 280 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-19 23:03:34,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:34,785 INFO L93 Difference]: Finished difference Result 361 states and 544 transitions. [2024-11-19 23:03:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 23:03:34,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 309 [2024-11-19 23:03:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:34,790 INFO L225 Difference]: With dead ends: 361 [2024-11-19 23:03:34,791 INFO L226 Difference]: Without dead ends: 259 [2024-11-19 23:03:34,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 23:03:34,792 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 110 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:34,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 805 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:34,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-19 23:03:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 258. [2024-11-19 23:03:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 164 states have (on average 1.3353658536585367) internal successors, (219), 164 states have internal predecessors, (219), 85 states have call successors, (85), 8 states have call predecessors, (85), 8 states have return successors, (87), 85 states have call predecessors, (87), 85 states have call successors, (87) [2024-11-19 23:03:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 391 transitions. [2024-11-19 23:03:34,826 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 391 transitions. Word has length 309 [2024-11-19 23:03:34,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:34,826 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 391 transitions. [2024-11-19 23:03:34,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-19 23:03:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 391 transitions. [2024-11-19 23:03:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-19 23:03:34,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:34,832 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:34,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 23:03:35,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 23:03:35,033 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:35,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:35,034 INFO L85 PathProgramCache]: Analyzing trace with hash -219731063, now seen corresponding path program 1 times [2024-11-19 23:03:35,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:35,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942214974] [2024-11-19 23:03:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:35,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 23:03:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 23:03:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 23:03:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:03:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 23:03:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 23:03:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:03:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 23:03:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 23:03:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 23:03:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 23:03:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 23:03:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 23:03:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 23:03:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 23:03:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 23:03:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 23:03:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 23:03:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-19 23:03:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-19 23:03:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-19 23:03:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-19 23:03:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-19 23:03:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-19 23:03:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-19 23:03:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-19 23:03:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:35,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-19 23:03:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-19 23:03:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-19 23:03:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-19 23:03:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-19 23:03:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-19 23:03:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-19 23:03:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-19 23:03:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-19 23:03:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-19 23:03:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-19 23:03:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-19 23:03:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-19 23:03:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-19 23:03:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-19 23:03:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-19 23:03:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-19 23:03:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-19 23:03:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-19 23:03:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-11-19 23:03:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-11-19 23:03:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-19 23:03:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-19 23:03:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-19 23:03:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-19 23:03:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-19 23:03:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-19 23:03:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-19 23:03:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-19 23:03:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5347 trivial. 0 not checked. [2024-11-19 23:03:36,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:36,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942214974] [2024-11-19 23:03:36,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942214974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:03:36,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453076392] [2024-11-19 23:03:36,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:36,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:36,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:36,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:03:36,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 23:03:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:37,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 23:03:37,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:03:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5347 trivial. 0 not checked. [2024-11-19 23:03:37,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 23:03:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5347 trivial. 0 not checked. [2024-11-19 23:03:37,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453076392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 23:03:37,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 23:03:37,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2024-11-19 23:03:37,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825232346] [2024-11-19 23:03:37,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 23:03:37,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 23:03:37,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:37,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 23:03:37,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 23:03:37,461 INFO L87 Difference]: Start difference. First operand 258 states and 391 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (119), 5 states have call predecessors, (119), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-19 23:03:41,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:45,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:49,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:50,703 INFO L93 Difference]: Finished difference Result 539 states and 811 transitions. [2024-11-19 23:03:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 23:03:50,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (119), 5 states have call predecessors, (119), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 377 [2024-11-19 23:03:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:50,707 INFO L225 Difference]: With dead ends: 539 [2024-11-19 23:03:50,707 INFO L226 Difference]: Without dead ends: 293 [2024-11-19 23:03:50,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 23:03:50,709 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 66 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 136 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:50,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 790 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 396 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-19 23:03:50,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-19 23:03:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 289. [2024-11-19 23:03:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 194 states have (on average 1.2989690721649485) internal successors, (252), 195 states have internal predecessors, (252), 85 states have call successors, (85), 8 states have call predecessors, (85), 9 states have return successors, (89), 85 states have call predecessors, (89), 85 states have call successors, (89) [2024-11-19 23:03:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 426 transitions. [2024-11-19 23:03:50,735 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 426 transitions. Word has length 377 [2024-11-19 23:03:50,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:50,736 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 426 transitions. [2024-11-19 23:03:50,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (119), 5 states have call predecessors, (119), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-19 23:03:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 426 transitions. [2024-11-19 23:03:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-19 23:03:50,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:50,741 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:50,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 23:03:50,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:50,942 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:50,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash -275096289, now seen corresponding path program 2 times [2024-11-19 23:03:50,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:50,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489422465] [2024-11-19 23:03:50,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:50,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-19 23:03:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 23:03:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 23:03:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:03:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 23:03:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 23:03:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:03:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 23:03:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 23:03:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 23:03:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 23:03:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 23:03:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 23:03:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 23:03:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 23:03:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-19 23:03:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-19 23:03:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-19 23:03:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-19 23:03:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-19 23:03:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-19 23:03:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-19 23:03:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-19 23:03:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-19 23:03:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-19 23:03:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-19 23:03:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-19 23:03:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-19 23:03:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-19 23:03:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-19 23:03:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-19 23:03:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-19 23:03:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-19 23:03:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-19 23:03:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-19 23:03:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 23:03:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-19 23:03:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-19 23:03:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-19 23:03:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-19 23:03:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-19 23:03:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-19 23:03:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-19 23:03:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-19 23:03:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-19 23:03:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-19 23:03:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-19 23:03:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-19 23:03:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-19 23:03:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-19 23:03:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-19 23:03:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-11-19 23:03:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-11-19 23:03:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-19 23:03:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2024-11-19 23:03:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5540 trivial. 0 not checked. [2024-11-19 23:03:52,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:52,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489422465] [2024-11-19 23:03:52,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489422465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:52,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:52,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 23:03:52,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073656886] [2024-11-19 23:03:52,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:52,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 23:03:52,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:52,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 23:03:52,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 23:03:52,832 INFO L87 Difference]: Start difference. First operand 289 states and 426 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-11-19 23:03:56,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:00,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:04,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:08,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:12,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:16,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:21,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:04:21,334 INFO L93 Difference]: Finished difference Result 662 states and 990 transitions. [2024-11-19 23:04:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 23:04:21,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 404 [2024-11-19 23:04:21,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:04:21,344 INFO L225 Difference]: With dead ends: 662 [2024-11-19 23:04:21,344 INFO L226 Difference]: Without dead ends: 551 [2024-11-19 23:04:21,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-19 23:04:21,347 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 320 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 146 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2024-11-19 23:04:21,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1441 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1031 Invalid, 6 Unknown, 0 Unchecked, 27.3s Time] [2024-11-19 23:04:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-19 23:04:21,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 534. [2024-11-19 23:04:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 345 states have (on average 1.3130434782608695) internal successors, (453), 349 states have internal predecessors, (453), 168 states have call successors, (168), 16 states have call predecessors, (168), 20 states have return successors, (184), 168 states have call predecessors, (184), 168 states have call successors, (184) [2024-11-19 23:04:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 805 transitions. [2024-11-19 23:04:21,438 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 805 transitions. Word has length 404 [2024-11-19 23:04:21,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:04:21,438 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 805 transitions. [2024-11-19 23:04:21,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-11-19 23:04:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 805 transitions. [2024-11-19 23:04:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-19 23:04:21,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:04:21,448 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:04:21,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 23:04:21,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:04:21,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:04:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash 377606335, now seen corresponding path program 1 times [2024-11-19 23:04:21,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:04:21,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512298853] [2024-11-19 23:04:21,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:21,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:04:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:22,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-19 23:04:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:22,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 23:04:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:22,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 23:04:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:04:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 23:04:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 23:04:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:04:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 23:04:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 23:04:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 23:04:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 23:04:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 23:04:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 23:04:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 23:04:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 23:04:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-19 23:04:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-19 23:04:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-19 23:04:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-19 23:04:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-19 23:04:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-19 23:04:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-19 23:04:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-19 23:04:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-19 23:04:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-19 23:04:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-19 23:04:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-19 23:04:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-19 23:04:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-19 23:04:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-19 23:04:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-19 23:04:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-19 23:04:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-19 23:04:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-19 23:04:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-19 23:04:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 23:04:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-19 23:04:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-19 23:04:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-19 23:04:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-19 23:04:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-19 23:04:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-19 23:04:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-19 23:04:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-19 23:04:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-19 23:04:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-19 23:04:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-19 23:04:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-19 23:04:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-19 23:04:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-19 23:04:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-19 23:04:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-11-19 23:04:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-11-19 23:04:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-19 23:04:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2024-11-19 23:04:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5540 trivial. 0 not checked. [2024-11-19 23:04:23,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:04:23,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512298853] [2024-11-19 23:04:23,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512298853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:04:23,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:04:23,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 23:04:23,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324702245] [2024-11-19 23:04:23,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:04:23,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 23:04:23,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:04:23,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 23:04:23,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 23:04:23,244 INFO L87 Difference]: Start difference. First operand 534 states and 805 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-11-19 23:04:27,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:31,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:35,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:39,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:43,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:47,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:50,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:04:50,648 INFO L93 Difference]: Finished difference Result 963 states and 1440 transitions. [2024-11-19 23:04:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 23:04:50,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 404 [2024-11-19 23:04:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:04:50,653 INFO L225 Difference]: With dead ends: 963 [2024-11-19 23:04:50,653 INFO L226 Difference]: Without dead ends: 472 [2024-11-19 23:04:50,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-19 23:04:50,655 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 338 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 222 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2024-11-19 23:04:50,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 1414 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 823 Invalid, 6 Unknown, 0 Unchecked, 26.4s Time] [2024-11-19 23:04:50,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-19 23:04:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 462. [2024-11-19 23:04:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 297 states have (on average 1.2356902356902357) internal successors, (367), 299 states have internal predecessors, (367), 147 states have call successors, (147), 15 states have call predecessors, (147), 17 states have return successors, (155), 147 states have call predecessors, (155), 147 states have call successors, (155) [2024-11-19 23:04:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 669 transitions. [2024-11-19 23:04:50,709 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 669 transitions. Word has length 404 [2024-11-19 23:04:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:04:50,709 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 669 transitions. [2024-11-19 23:04:50,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-11-19 23:04:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 669 transitions. [2024-11-19 23:04:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-19 23:04:50,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:04:50,714 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:04:50,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 23:04:50,714 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:04:50,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:04:50,715 INFO L85 PathProgramCache]: Analyzing trace with hash 239387743, now seen corresponding path program 1 times [2024-11-19 23:04:50,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:04:50,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105465156] [2024-11-19 23:04:50,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:50,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms