./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:29:52,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:29:52,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:29:52,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:29:52,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:29:52,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:29:52,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:29:52,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:29:52,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:29:52,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:29:52,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:29:52,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:29:52,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:29:52,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:29:52,652 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:29:52,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:29:52,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:29:52,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:29:52,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:29:52,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:29:52,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:29:52,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:29:52,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:29:52,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:29:52,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:29:52,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:29:52,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:29:52,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:29:52,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:29:52,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:29:52,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:29:52,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:29:52,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:29:52,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:29:52,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:29:52,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:29:52,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:29:52,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:29:52,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:29:52,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2024-10-24 13:29:52,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:29:52,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:29:52,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:29:52,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:29:52,965 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:29:52,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-10-24 13:29:54,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:29:54,840 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:29:54,840 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-10-24 13:29:54,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0205452db/eee97dd1f1844e55b81cf52ab01c3603/FLAG6fef2a7fa [2024-10-24 13:29:54,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0205452db/eee97dd1f1844e55b81cf52ab01c3603 [2024-10-24 13:29:54,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:29:54,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:29:54,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:29:54,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:29:54,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:29:54,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:29:54" (1/1) ... [2024-10-24 13:29:54,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c948f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:54, skipping insertion in model container [2024-10-24 13:29:54,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:29:54" (1/1) ... [2024-10-24 13:29:54,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:29:55,668 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-10-24 13:29:55,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:29:55,722 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:29:55,850 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-10-24 13:29:55,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:29:55,909 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:29:55,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55 WrapperNode [2024-10-24 13:29:55,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:29:55,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:29:55,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:29:55,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:29:55,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:55,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,111 INFO L138 Inliner]: procedures = 102, calls = 421, calls flagged for inlining = 49, calls inlined = 44, statements flattened = 1152 [2024-10-24 13:29:56,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:29:56,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:29:56,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:29:56,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:29:56,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,340 INFO L175 MemorySlicer]: Split 229 memory accesses to 13 slices as follows [157, 2, 8, 7, 5, 6, 18, 3, 3, 2, 4, 4, 10]. 69 percent of accesses are in the largest equivalence class. The 76 initializations are split as follows [42, 2, 0, 7, 5, 6, 0, 3, 3, 2, 3, 3, 0]. The 48 writes are split as follows [34, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0]. [2024-10-24 13:29:56,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:29:56,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:29:56,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:29:56,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:29:56,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (1/1) ... [2024-10-24 13:29:56,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:29:56,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:29:56,506 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) [2024-10-24 13:29:56,508 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 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:29:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 13:29:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 13:29:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 13:29:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 13:29:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 13:29:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 13:29:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 13:29:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 13:29:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 13:29:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 13:29:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:29:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:29:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:29:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:29:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:29:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:29:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:29:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:29:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:29:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:29:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:29:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:29:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:29:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:29:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:29:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:29:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:29:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:29:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:29:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:29:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2024-10-24 13:29:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2024-10-24 13:29:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:29:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:29:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-10-24 13:29:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-10-24 13:29:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:29:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:29:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:29:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:29:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-10-24 13:29:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2024-10-24 13:29:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:29:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 13:29:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2024-10-24 13:29:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-10-24 13:29:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:29:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:29:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:29:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:29:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:29:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:29:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:29:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:29:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:29:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:29:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:29:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:29:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:29:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:29:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-10-24 13:29:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-10-24 13:29:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-10-24 13:29:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-10-24 13:29:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:29:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:29:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:29:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:29:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:29:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:29:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:29:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:29:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:29:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:29:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:29:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:29:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:29:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-10-24 13:29:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-10-24 13:29:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2024-10-24 13:29:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 13:29:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-10-24 13:29:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-10-24 13:29:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:29:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:29:56,940 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:29:56,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:29:57,986 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-10-24 13:29:57,986 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:29:58,120 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:29:58,121 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 13:29:58,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:29:58 BoogieIcfgContainer [2024-10-24 13:29:58,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:29:58,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:29:58,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:29:58,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:29:58,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:29:54" (1/3) ... [2024-10-24 13:29:58,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5131ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:29:58, skipping insertion in model container [2024-10-24 13:29:58,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:29:55" (2/3) ... [2024-10-24 13:29:58,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5131ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:29:58, skipping insertion in model container [2024-10-24 13:29:58,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:29:58" (3/3) ... [2024-10-24 13:29:58,132 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-10-24 13:29:58,147 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:29:58,148 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:29:58,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:29:58,244 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;@536390ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:29:58,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:29:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 168 states have (on average 1.4047619047619047) internal successors, (236), 174 states have internal predecessors, (236), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 13:29:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 13:29:58,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:29:58,265 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:29:58,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:29:58,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:29:58,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1637811404, now seen corresponding path program 1 times [2024-10-24 13:29:58,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:29:58,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159786660] [2024-10-24 13:29:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:29:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:29:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:29:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:58,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:29:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:29:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:29:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:29:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:29:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:29:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:29:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:29:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:29:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 13:29:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:29:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 13:29:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:29:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:29:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:29:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:29:59,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:29:59,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159786660] [2024-10-24 13:29:59,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159786660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:29:59,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:29:59,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:29:59,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134247601] [2024-10-24 13:29:59,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:29:59,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:29:59,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:29:59,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:29:59,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:29:59,188 INFO L87 Difference]: Start difference. First operand has 242 states, 168 states have (on average 1.4047619047619047) internal successors, (236), 174 states have internal predecessors, (236), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:30:00,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:00,625 INFO L93 Difference]: Finished difference Result 504 states and 730 transitions. [2024-10-24 13:30:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:00,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2024-10-24 13:30:00,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:00,642 INFO L225 Difference]: With dead ends: 504 [2024-10-24 13:30:00,642 INFO L226 Difference]: Without dead ends: 259 [2024-10-24 13:30:00,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:00,653 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 142 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:00,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 810 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 13:30:00,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-24 13:30:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 236. [2024-10-24 13:30:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 170 states have internal predecessors, (228), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 13:30:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2024-10-24 13:30:00,729 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 99 [2024-10-24 13:30:00,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:00,730 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2024-10-24 13:30:00,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:30:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2024-10-24 13:30:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 13:30:00,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:00,736 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:00,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:30:00,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:00,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1163858420, now seen corresponding path program 1 times [2024-10-24 13:30:00,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:00,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434652359] [2024-10-24 13:30:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:00,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:00,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:00,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:30:01,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:01,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434652359] [2024-10-24 13:30:01,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434652359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:01,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:01,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:30:01,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280525107] [2024-10-24 13:30:01,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:01,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:30:01,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:01,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:30:01,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:30:01,105 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:02,187 INFO L93 Difference]: Finished difference Result 492 states and 694 transitions. [2024-10-24 13:30:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:30:02,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-24 13:30:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:02,191 INFO L225 Difference]: With dead ends: 492 [2024-10-24 13:30:02,191 INFO L226 Difference]: Without dead ends: 260 [2024-10-24 13:30:02,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:02,193 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 142 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:02,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 618 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:30:02,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-24 13:30:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 237. [2024-10-24 13:30:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 167 states have (on average 1.3712574850299402) internal successors, (229), 171 states have internal predecessors, (229), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 13:30:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 331 transitions. [2024-10-24 13:30:02,239 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 331 transitions. Word has length 105 [2024-10-24 13:30:02,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:02,239 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 331 transitions. [2024-10-24 13:30:02,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 331 transitions. [2024-10-24 13:30:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 13:30:02,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:02,246 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:02,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:30:02,247 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:02,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:02,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1109465522, now seen corresponding path program 1 times [2024-10-24 13:30:02,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:02,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131313955] [2024-10-24 13:30:02,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:02,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:30:02,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:02,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131313955] [2024-10-24 13:30:02,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131313955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:02,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:02,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:02,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835835580] [2024-10-24 13:30:02,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:02,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:02,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:02,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:02,572 INFO L87 Difference]: Start difference. First operand 237 states and 331 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:03,646 INFO L93 Difference]: Finished difference Result 495 states and 697 transitions. [2024-10-24 13:30:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:03,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-24 13:30:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:03,652 INFO L225 Difference]: With dead ends: 495 [2024-10-24 13:30:03,652 INFO L226 Difference]: Without dead ends: 262 [2024-10-24 13:30:03,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:03,655 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 142 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:03,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 778 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:30:03,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-24 13:30:03,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 239. [2024-10-24 13:30:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 169 states have (on average 1.3668639053254439) internal successors, (231), 173 states have internal predecessors, (231), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 13:30:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 333 transitions. [2024-10-24 13:30:03,694 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 333 transitions. Word has length 105 [2024-10-24 13:30:03,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:03,695 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 333 transitions. [2024-10-24 13:30:03,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 333 transitions. [2024-10-24 13:30:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 13:30:03,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:03,697 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:03,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:30:03,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:03,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:03,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1262273740, now seen corresponding path program 1 times [2024-10-24 13:30:03,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:03,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058242419] [2024-10-24 13:30:03,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:03,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:30:03,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:03,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058242419] [2024-10-24 13:30:03,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058242419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:03,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:03,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:30:03,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582582047] [2024-10-24 13:30:03,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:03,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:30:03,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:03,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:30:03,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:30:03,946 INFO L87 Difference]: Start difference. First operand 239 states and 333 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:04,826 INFO L93 Difference]: Finished difference Result 498 states and 700 transitions. [2024-10-24 13:30:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:30:04,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-24 13:30:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:04,830 INFO L225 Difference]: With dead ends: 498 [2024-10-24 13:30:04,830 INFO L226 Difference]: Without dead ends: 263 [2024-10-24 13:30:04,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:04,832 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 142 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:04,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 619 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:30:04,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-24 13:30:04,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 240. [2024-10-24 13:30:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 174 states have internal predecessors, (232), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 13:30:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 334 transitions. [2024-10-24 13:30:04,860 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 334 transitions. Word has length 105 [2024-10-24 13:30:04,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:04,861 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 334 transitions. [2024-10-24 13:30:04,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 334 transitions. [2024-10-24 13:30:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 13:30:04,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:04,863 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:04,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:30:04,864 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:04,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1771746830, now seen corresponding path program 1 times [2024-10-24 13:30:04,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:04,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083392796] [2024-10-24 13:30:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:30:05,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:05,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083392796] [2024-10-24 13:30:05,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083392796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:05,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:05,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:05,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538671359] [2024-10-24 13:30:05,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:05,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:05,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:05,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:05,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:05,436 INFO L87 Difference]: Start difference. First operand 240 states and 334 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:07,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:07,407 INFO L93 Difference]: Finished difference Result 775 states and 1100 transitions. [2024-10-24 13:30:07,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:30:07,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-24 13:30:07,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:07,413 INFO L225 Difference]: With dead ends: 775 [2024-10-24 13:30:07,414 INFO L226 Difference]: Without dead ends: 771 [2024-10-24 13:30:07,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:30:07,416 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 784 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:07,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 898 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 13:30:07,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-10-24 13:30:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 702. [2024-10-24 13:30:07,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 500 states have (on average 1.364) internal successors, (682), 510 states have internal predecessors, (682), 150 states have call successors, (150), 52 states have call predecessors, (150), 51 states have return successors, (152), 148 states have call predecessors, (152), 148 states have call successors, (152) [2024-10-24 13:30:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 984 transitions. [2024-10-24 13:30:07,476 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 984 transitions. Word has length 105 [2024-10-24 13:30:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:07,477 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 984 transitions. [2024-10-24 13:30:07,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 13:30:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 984 transitions. [2024-10-24 13:30:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 13:30:07,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:07,479 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:07,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:30:07,479 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:07,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:07,480 INFO L85 PathProgramCache]: Analyzing trace with hash 450287181, now seen corresponding path program 1 times [2024-10-24 13:30:07,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:07,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192280809] [2024-10-24 13:30:07,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:30:07,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:07,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192280809] [2024-10-24 13:30:07,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192280809] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:30:07,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790901367] [2024-10-24 13:30:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:07,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:30:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:30:07,820 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) [2024-10-24 13:30:07,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:30:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:08,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 13:30:08,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:30:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 13:30:08,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:30:08,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790901367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:08,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:30:08,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-10-24 13:30:08,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101092837] [2024-10-24 13:30:08,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:08,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:30:08,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:30:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:08,461 INFO L87 Difference]: Start difference. First operand 702 states and 984 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 13:30:08,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:08,970 INFO L93 Difference]: Finished difference Result 1402 states and 1967 transitions. [2024-10-24 13:30:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:30:08,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 113 [2024-10-24 13:30:08,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:08,977 INFO L225 Difference]: With dead ends: 1402 [2024-10-24 13:30:08,978 INFO L226 Difference]: Without dead ends: 1166 [2024-10-24 13:30:08,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:08,980 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 316 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:08,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 819 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 13:30:08,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2024-10-24 13:30:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 933. [2024-10-24 13:30:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 665 states have (on average 1.362406015037594) internal successors, (906), 678 states have internal predecessors, (906), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-10-24 13:30:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1306 transitions. [2024-10-24 13:30:09,056 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1306 transitions. Word has length 113 [2024-10-24 13:30:09,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:09,057 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1306 transitions. [2024-10-24 13:30:09,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 13:30:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1306 transitions. [2024-10-24 13:30:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 13:30:09,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:09,061 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:09,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 13:30:09,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 13:30:09,266 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:09,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:09,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1652180295, now seen corresponding path program 1 times [2024-10-24 13:30:09,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:09,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389182644] [2024-10-24 13:30:09,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:09,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 13:30:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-24 13:30:09,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:09,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389182644] [2024-10-24 13:30:09,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389182644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:09,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:09,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:09,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201211826] [2024-10-24 13:30:09,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:09,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:09,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:09,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:09,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:09,653 INFO L87 Difference]: Start difference. First operand 933 states and 1306 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:10,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:10,802 INFO L93 Difference]: Finished difference Result 1962 states and 2767 transitions. [2024-10-24 13:30:10,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:10,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-10-24 13:30:10,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:10,809 INFO L225 Difference]: With dead ends: 1962 [2024-10-24 13:30:10,809 INFO L226 Difference]: Without dead ends: 1033 [2024-10-24 13:30:10,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:10,814 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 142 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:10,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 787 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:30:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-10-24 13:30:10,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 941. [2024-10-24 13:30:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 673 states have (on average 1.3580980683506687) internal successors, (914), 686 states have internal predecessors, (914), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-10-24 13:30:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1314 transitions. [2024-10-24 13:30:10,872 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1314 transitions. Word has length 151 [2024-10-24 13:30:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:10,872 INFO L471 AbstractCegarLoop]: Abstraction has 941 states and 1314 transitions. [2024-10-24 13:30:10,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1314 transitions. [2024-10-24 13:30:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:30:10,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:10,877 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:10,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:30:10,877 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:10,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:10,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1538583004, now seen corresponding path program 1 times [2024-10-24 13:30:10,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:10,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173112823] [2024-10-24 13:30:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:10,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:30:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-24 13:30:11,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173112823] [2024-10-24 13:30:11,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173112823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:11,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:11,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:11,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16528687] [2024-10-24 13:30:11,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:11,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:11,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:11,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:11,335 INFO L87 Difference]: Start difference. First operand 941 states and 1314 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:12,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:12,398 INFO L93 Difference]: Finished difference Result 1978 states and 2783 transitions. [2024-10-24 13:30:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:12,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-10-24 13:30:12,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:12,405 INFO L225 Difference]: With dead ends: 1978 [2024-10-24 13:30:12,405 INFO L226 Difference]: Without dead ends: 1041 [2024-10-24 13:30:12,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:12,409 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 155 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:12,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 762 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:30:12,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-10-24 13:30:12,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 949. [2024-10-24 13:30:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 681 states have (on average 1.353891336270191) internal successors, (922), 694 states have internal predecessors, (922), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-10-24 13:30:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1322 transitions. [2024-10-24 13:30:12,463 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1322 transitions. Word has length 152 [2024-10-24 13:30:12,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:12,463 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1322 transitions. [2024-10-24 13:30:12,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1322 transitions. [2024-10-24 13:30:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:30:12,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:12,466 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:12,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:30:12,466 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:12,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1114936282, now seen corresponding path program 1 times [2024-10-24 13:30:12,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:12,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434556509] [2024-10-24 13:30:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:12,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:30:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-24 13:30:12,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:12,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434556509] [2024-10-24 13:30:12,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434556509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:12,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:12,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:30:12,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945095352] [2024-10-24 13:30:12,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:12,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:30:12,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:12,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:30:12,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:30:12,821 INFO L87 Difference]: Start difference. First operand 949 states and 1322 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:13,677 INFO L93 Difference]: Finished difference Result 1990 states and 2795 transitions. [2024-10-24 13:30:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:30:13,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-10-24 13:30:13,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:13,684 INFO L225 Difference]: With dead ends: 1990 [2024-10-24 13:30:13,684 INFO L226 Difference]: Without dead ends: 1045 [2024-10-24 13:30:13,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:13,688 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 142 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:13,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 617 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:30:13,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-10-24 13:30:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 953. [2024-10-24 13:30:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 685 states have (on average 1.3518248175182481) internal successors, (926), 698 states have internal predecessors, (926), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-10-24 13:30:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1326 transitions. [2024-10-24 13:30:13,738 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1326 transitions. Word has length 152 [2024-10-24 13:30:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:13,738 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1326 transitions. [2024-10-24 13:30:13,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1326 transitions. [2024-10-24 13:30:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:30:13,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:13,741 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:13,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:30:13,741 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:13,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:13,741 INFO L85 PathProgramCache]: Analyzing trace with hash -866789788, now seen corresponding path program 1 times [2024-10-24 13:30:13,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:13,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872779564] [2024-10-24 13:30:13,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:13,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:13,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:30:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-24 13:30:14,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872779564] [2024-10-24 13:30:14,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872779564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:14,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:14,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:14,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120270499] [2024-10-24 13:30:14,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:14,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:14,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:14,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:14,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:14,076 INFO L87 Difference]: Start difference. First operand 953 states and 1326 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:15,185 INFO L93 Difference]: Finished difference Result 2002 states and 2807 transitions. [2024-10-24 13:30:15,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-10-24 13:30:15,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:15,192 INFO L225 Difference]: With dead ends: 2002 [2024-10-24 13:30:15,192 INFO L226 Difference]: Without dead ends: 1053 [2024-10-24 13:30:15,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:15,195 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 142 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:15,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 787 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:30:15,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-10-24 13:30:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 961. [2024-10-24 13:30:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 693 states have (on average 1.3477633477633477) internal successors, (934), 706 states have internal predecessors, (934), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-10-24 13:30:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1334 transitions. [2024-10-24 13:30:15,252 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1334 transitions. Word has length 152 [2024-10-24 13:30:15,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:15,252 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1334 transitions. [2024-10-24 13:30:15,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1334 transitions. [2024-10-24 13:30:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:30:15,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:15,255 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:15,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:30:15,255 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:15,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 416828076, now seen corresponding path program 1 times [2024-10-24 13:30:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:15,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855641893] [2024-10-24 13:30:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:30:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 13:30:15,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:15,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855641893] [2024-10-24 13:30:15,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855641893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:15,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:15,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:15,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349205791] [2024-10-24 13:30:15,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:15,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:15,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:15,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:15,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:15,623 INFO L87 Difference]: Start difference. First operand 961 states and 1334 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:16,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:16,911 INFO L93 Difference]: Finished difference Result 2278 states and 3229 transitions. [2024-10-24 13:30:16,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:16,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-10-24 13:30:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:16,923 INFO L225 Difference]: With dead ends: 2278 [2024-10-24 13:30:16,923 INFO L226 Difference]: Without dead ends: 1321 [2024-10-24 13:30:16,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:30:16,928 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 215 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:16,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1044 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:30:16,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2024-10-24 13:30:16,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1028. [2024-10-24 13:30:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 752 states have (on average 1.3550531914893618) internal successors, (1019), 765 states have internal predecessors, (1019), 207 states have call successors, (207), 69 states have call predecessors, (207), 68 states have return successors, (209), 205 states have call predecessors, (209), 205 states have call successors, (209) [2024-10-24 13:30:16,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1435 transitions. [2024-10-24 13:30:16,999 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1435 transitions. Word has length 152 [2024-10-24 13:30:17,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:17,003 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1435 transitions. [2024-10-24 13:30:17,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1435 transitions. [2024-10-24 13:30:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 13:30:17,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:17,006 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:17,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:30:17,006 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:17,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:17,007 INFO L85 PathProgramCache]: Analyzing trace with hash -539901550, now seen corresponding path program 1 times [2024-10-24 13:30:17,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:17,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667253428] [2024-10-24 13:30:17,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:30:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 13:30:17,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:17,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667253428] [2024-10-24 13:30:17,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667253428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:17,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:17,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:17,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344340849] [2024-10-24 13:30:17,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:17,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:17,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:17,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:17,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:17,393 INFO L87 Difference]: Start difference. First operand 1028 states and 1435 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:18,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:18,528 INFO L93 Difference]: Finished difference Result 2337 states and 3306 transitions. [2024-10-24 13:30:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:18,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-10-24 13:30:18,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:18,540 INFO L225 Difference]: With dead ends: 2337 [2024-10-24 13:30:18,540 INFO L226 Difference]: Without dead ends: 1313 [2024-10-24 13:30:18,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:30:18,544 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 209 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:18,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1008 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:30:18,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2024-10-24 13:30:18,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1020. [2024-10-24 13:30:18,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 744 states have (on average 1.342741935483871) internal successors, (999), 757 states have internal predecessors, (999), 207 states have call successors, (207), 69 states have call predecessors, (207), 68 states have return successors, (209), 205 states have call predecessors, (209), 205 states have call successors, (209) [2024-10-24 13:30:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1415 transitions. [2024-10-24 13:30:18,608 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1415 transitions. Word has length 153 [2024-10-24 13:30:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:18,609 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1415 transitions. [2024-10-24 13:30:18,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 13:30:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1415 transitions. [2024-10-24 13:30:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 13:30:18,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:18,612 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-10-24 13:30:18,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 13:30:18,612 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:18,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:18,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1997944823, now seen corresponding path program 1 times [2024-10-24 13:30:18,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:18,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620215922] [2024-10-24 13:30:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:18,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:30:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 13:30:18,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:18,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620215922] [2024-10-24 13:30:18,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620215922] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:30:18,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803607582] [2024-10-24 13:30:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:18,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:30:18,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:30:18,986 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) [2024-10-24 13:30:18,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:30:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:19,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 13:30:19,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:30:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 13:30:19,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:30:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 13:30:19,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803607582] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:30:19,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:30:19,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2024-10-24 13:30:19,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132338163] [2024-10-24 13:30:19,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:30:19,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:30:19,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:19,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:30:19,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:30:19,861 INFO L87 Difference]: Start difference. First operand 1020 states and 1415 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 5 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 13:30:21,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:21,062 INFO L93 Difference]: Finished difference Result 2562 states and 3655 transitions. [2024-10-24 13:30:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:30:21,062 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 5 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-10-24 13:30:21,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:21,071 INFO L225 Difference]: With dead ends: 2562 [2024-10-24 13:30:21,071 INFO L226 Difference]: Without dead ends: 1546 [2024-10-24 13:30:21,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 342 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:30:21,074 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 241 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:21,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 976 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 13:30:21,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-10-24 13:30:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1332. [2024-10-24 13:30:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1008 states have (on average 1.3482142857142858) internal successors, (1359), 1021 states have internal predecessors, (1359), 255 states have call successors, (255), 69 states have call predecessors, (255), 68 states have return successors, (257), 253 states have call predecessors, (257), 253 states have call successors, (257) [2024-10-24 13:30:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1871 transitions. [2024-10-24 13:30:21,176 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1871 transitions. Word has length 153 [2024-10-24 13:30:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:21,176 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1871 transitions. [2024-10-24 13:30:21,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 5 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 13:30:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1871 transitions. [2024-10-24 13:30:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-24 13:30:21,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:21,179 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:21,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 13:30:21,379 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,SelfDestructingSolverStorable12 [2024-10-24 13:30:21,380 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:21,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:21,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1421034742, now seen corresponding path program 1 times [2024-10-24 13:30:21,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:21,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013264174] [2024-10-24 13:30:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:30:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:30:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-10-24 13:30:21,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:21,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013264174] [2024-10-24 13:30:21,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013264174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:21,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:21,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:30:21,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970189420] [2024-10-24 13:30:21,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:21,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:30:21,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:21,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:30:21,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:21,758 INFO L87 Difference]: Start difference. First operand 1332 states and 1871 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 13:30:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:23,675 INFO L93 Difference]: Finished difference Result 3397 states and 4821 transitions. [2024-10-24 13:30:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:30:23,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-10-24 13:30:23,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:23,683 INFO L225 Difference]: With dead ends: 3397 [2024-10-24 13:30:23,683 INFO L226 Difference]: Without dead ends: 1021 [2024-10-24 13:30:23,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:30:23,688 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 402 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:23,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1678 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 13:30:23,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-10-24 13:30:23,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 927. [2024-10-24 13:30:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 695 states have (on average 1.3122302158273382) internal successors, (912), 705 states have internal predecessors, (912), 180 states have call successors, (180), 52 states have call predecessors, (180), 51 states have return successors, (180), 178 states have call predecessors, (180), 178 states have call successors, (180) [2024-10-24 13:30:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1272 transitions. [2024-10-24 13:30:23,746 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1272 transitions. Word has length 162 [2024-10-24 13:30:23,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:23,747 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1272 transitions. [2024-10-24 13:30:23,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 13:30:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1272 transitions. [2024-10-24 13:30:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-24 13:30:23,750 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:23,751 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:23,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 13:30:23,751 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1108713247, now seen corresponding path program 1 times [2024-10-24 13:30:23,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:23,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975056750] [2024-10-24 13:30:23,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:30:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:30:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:30:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-24 13:30:24,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:24,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975056750] [2024-10-24 13:30:24,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975056750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:24,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:24,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:30:24,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535733565] [2024-10-24 13:30:24,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:24,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:30:24,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:24,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:30:24,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:30:24,144 INFO L87 Difference]: Start difference. First operand 927 states and 1272 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 13:30:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:25,049 INFO L93 Difference]: Finished difference Result 1857 states and 2569 transitions. [2024-10-24 13:30:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:30:25,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 181 [2024-10-24 13:30:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:25,057 INFO L225 Difference]: With dead ends: 1857 [2024-10-24 13:30:25,057 INFO L226 Difference]: Without dead ends: 934 [2024-10-24 13:30:25,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:25,061 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 156 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:25,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 757 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:30:25,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-24 13:30:25,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 851. [2024-10-24 13:30:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 627 states have (on average 1.3014354066985645) internal successors, (816), 637 states have internal predecessors, (816), 172 states have call successors, (172), 52 states have call predecessors, (172), 51 states have return successors, (172), 170 states have call predecessors, (172), 170 states have call successors, (172) [2024-10-24 13:30:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1160 transitions. [2024-10-24 13:30:25,133 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1160 transitions. Word has length 181 [2024-10-24 13:30:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:25,134 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1160 transitions. [2024-10-24 13:30:25,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 13:30:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1160 transitions. [2024-10-24 13:30:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 13:30:25,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:30:25,139 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-10-24 13:30:25,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 13:30:25,139 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:30:25,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:30:25,140 INFO L85 PathProgramCache]: Analyzing trace with hash 58714759, now seen corresponding path program 1 times [2024-10-24 13:30:25,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:30:25,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375130143] [2024-10-24 13:30:25,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:30:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:30:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:30:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:30:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:30:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:30:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:30:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 13:30:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:30:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:30:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:30:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:30:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:30:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:30:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:30:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:30:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:30:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:30:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:30:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:30:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:30:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-24 13:30:25,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:30:25,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375130143] [2024-10-24 13:30:25,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375130143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:30:25,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:30:25,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:30:25,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515584832] [2024-10-24 13:30:25,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:30:25,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:30:25,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:30:25,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:30:25,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:30:25,698 INFO L87 Difference]: Start difference. First operand 851 states and 1160 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 5 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 13:30:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:30:26,920 INFO L93 Difference]: Finished difference Result 1225 states and 1704 transitions. [2024-10-24 13:30:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:30:26,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 5 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2024-10-24 13:30:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:30:26,923 INFO L225 Difference]: With dead ends: 1225 [2024-10-24 13:30:26,923 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 13:30:26,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:30:26,927 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1184 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:30:26,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 626 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 13:30:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 13:30:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 13:30:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:30:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 13:30:26,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2024-10-24 13:30:26,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:30:26,930 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 13:30:26,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 5 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 13:30:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 13:30:26,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 13:30:26,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 13:30:26,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 13:30:26,936 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:30:26,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.