./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:40:52,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:40:52,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:40:52,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:40:52,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:40:52,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:40:52,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:40:52,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:40:52,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:40:52,914 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:40:52,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:40:52,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:40:52,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:40:52,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:40:52,918 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:40:52,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:40:52,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:40:52,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:40:52,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:40:52,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:40:52,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:40:52,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:40:52,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:40:52,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:40:52,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:40:52,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:40:52,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:40:52,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:40:52,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:40:52,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:40:52,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:40:52,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:40:52,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:40:52,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:40:52,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:40:52,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:40:52,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:40:52,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:40:52,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:40:52,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:40:52,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:40:52,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:40:52,932 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85 [2024-10-24 11:40:53,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:40:53,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:40:53,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:40:53,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:40:53,303 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:40:53,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i [2024-10-24 11:40:54,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:40:55,011 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:40:55,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i [2024-10-24 11:40:55,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973f9c2c7/c745bca161854178b27c7057703128c3/FLAGbdea9f3c6 [2024-10-24 11:40:55,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973f9c2c7/c745bca161854178b27c7057703128c3 [2024-10-24 11:40:55,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:40:55,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:40:55,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:40:55,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:40:55,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:40:55,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cbcf35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55, skipping insertion in model container [2024-10-24 11:40:55,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:40:55,304 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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i[916,929] [2024-10-24 11:40:55,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:40:55,401 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:40:55,414 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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i[916,929] [2024-10-24 11:40:55,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:40:55,493 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:40:55,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55 WrapperNode [2024-10-24 11:40:55,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:40:55,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:40:55,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:40:55,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:40:55,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,633 INFO L138 Inliner]: procedures = 26, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 527 [2024-10-24 11:40:55,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:40:55,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:40:55,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:40:55,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:40:55,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,689 INFO L175 MemorySlicer]: Split 138 memory accesses to 15 slices as follows [2, 11, 6, 22, 22, 22, 6, 8, 5, 3, 8, 7, 3, 6, 7]. 16 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-10-24 11:40:55,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:40:55,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:40:55,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:40:55,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:40:55,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (1/1) ... [2024-10-24 11:40:55,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:40:55,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:40:55,769 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 11:40:55,772 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 11:40:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:40:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 11:40:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 11:40:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 11:40:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 11:40:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 11:40:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 11:40:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 11:40:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 11:40:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 11:40:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 11:40:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 11:40:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 11:40:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 11:40:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 11:40:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 11:40:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 11:40:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 11:40:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 11:40:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 11:40:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 11:40:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 11:40:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 11:40:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 11:40:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 11:40:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:40:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:40:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:40:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 11:40:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 11:40:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 11:40:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 11:40:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 11:40:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 11:40:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 11:40:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:40:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:40:56,041 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:40:56,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:40:56,613 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-10-24 11:40:56,613 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:40:56,663 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:40:56,664 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:40:56,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:40:56 BoogieIcfgContainer [2024-10-24 11:40:56,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:40:56,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:40:56,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:40:56,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:40:56,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:40:55" (1/3) ... [2024-10-24 11:40:56,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0fa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:40:56, skipping insertion in model container [2024-10-24 11:40:56,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:40:55" (2/3) ... [2024-10-24 11:40:56,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0fa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:40:56, skipping insertion in model container [2024-10-24 11:40:56,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:40:56" (3/3) ... [2024-10-24 11:40:56,673 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-71.i [2024-10-24 11:40:56,690 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:40:56,690 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:40:56,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:40:56,769 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;@681e052e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:40:56,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:40:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 77 states have internal predecessors, (108), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:40:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 11:40:56,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:40:56,788 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:56,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:40:56,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:40:56,793 INFO L85 PathProgramCache]: Analyzing trace with hash 206066625, now seen corresponding path program 1 times [2024-10-24 11:40:56,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:40:56,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4909394] [2024-10-24 11:40:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:40:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:40:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:40:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:40:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:40:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:40:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:40:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:40:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:40:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:40:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:40:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:40:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:40:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:40:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:40:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:40:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:40:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:40:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:40:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:40:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:40:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:40:57,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:40:57,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4909394] [2024-10-24 11:40:57,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4909394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:40:57,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:40:57,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:40:57,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021245696] [2024-10-24 11:40:57,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:40:57,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:40:57,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:40:57,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:40:57,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:40:57,402 INFO L87 Difference]: Start difference. First operand has 98 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 77 states have internal predecessors, (108), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 11:40:57,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:40:57,469 INFO L93 Difference]: Finished difference Result 193 states and 309 transitions. [2024-10-24 11:40:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:40:57,475 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 139 [2024-10-24 11:40:57,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:40:57,485 INFO L225 Difference]: With dead ends: 193 [2024-10-24 11:40:57,485 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 11:40:57,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:40:57,493 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:40:57,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:40:57,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 11:40:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-24 11:40:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 75 states have (on average 1.3466666666666667) internal successors, (101), 75 states have internal predecessors, (101), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:40:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2024-10-24 11:40:57,554 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 139 [2024-10-24 11:40:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:40:57,554 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2024-10-24 11:40:57,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 11:40:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2024-10-24 11:40:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 11:40:57,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:40:57,562 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:57,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:40:57,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:40:57,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:40:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash 2021636071, now seen corresponding path program 1 times [2024-10-24 11:40:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:40:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034335337] [2024-10-24 11:40:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:40:57,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:40:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:40:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:40:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:40:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:40:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:40:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:40:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:40:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:40:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:40:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:40:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:40:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:40:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:40:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:40:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:40:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:40:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:40:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:40:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:40:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:40:58,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:40:58,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034335337] [2024-10-24 11:40:58,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034335337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:40:58,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:40:58,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:40:58,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376334962] [2024-10-24 11:40:58,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:40:58,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:40:58,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:40:58,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:40:58,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:40:58,063 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:40:58,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:40:58,136 INFO L93 Difference]: Finished difference Result 194 states and 281 transitions. [2024-10-24 11:40:58,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:40:58,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2024-10-24 11:40:58,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:40:58,140 INFO L225 Difference]: With dead ends: 194 [2024-10-24 11:40:58,141 INFO L226 Difference]: Without dead ends: 99 [2024-10-24 11:40:58,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:40:58,143 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:40:58,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 389 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:40:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-24 11:40:58,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2024-10-24 11:40:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:40:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 141 transitions. [2024-10-24 11:40:58,161 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 141 transitions. Word has length 139 [2024-10-24 11:40:58,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:40:58,163 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 141 transitions. [2024-10-24 11:40:58,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:40:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2024-10-24 11:40:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 11:40:58,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:40:58,167 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:58,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 11:40:58,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:40:58,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:40:58,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2078894373, now seen corresponding path program 1 times [2024-10-24 11:40:58,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:40:58,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653515427] [2024-10-24 11:40:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:40:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:40:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:40:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:40:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:40:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:40:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:40:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:40:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:40:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:40:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:40:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:40:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:40:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:40:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:40:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:40:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:40:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:40:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:40:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:40:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:40:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:40:58,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:40:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653515427] [2024-10-24 11:40:58,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653515427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:40:58,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:40:58,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:40:58,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169289736] [2024-10-24 11:40:58,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:40:58,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:40:58,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:40:58,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:40:58,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:40:58,467 INFO L87 Difference]: Start difference. First operand 98 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:40:58,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:40:58,525 INFO L93 Difference]: Finished difference Result 198 states and 285 transitions. [2024-10-24 11:40:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:40:58,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2024-10-24 11:40:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:40:58,534 INFO L225 Difference]: With dead ends: 198 [2024-10-24 11:40:58,536 INFO L226 Difference]: Without dead ends: 101 [2024-10-24 11:40:58,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:40:58,538 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:40:58,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 393 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:40:58,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-24 11:40:58,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-10-24 11:40:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 79 states have internal predecessors, (105), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:40:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2024-10-24 11:40:58,554 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 139 [2024-10-24 11:40:58,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:40:58,554 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2024-10-24 11:40:58,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:40:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2024-10-24 11:40:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 11:40:58,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:40:58,558 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:58,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 11:40:58,558 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:40:58,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:40:58,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2078953955, now seen corresponding path program 1 times [2024-10-24 11:40:58,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:40:58,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738963610] [2024-10-24 11:40:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:40:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:40:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:40:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:40:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:40:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:40:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:40:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:40:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:40:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:40:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:40:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:40:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:40:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:40:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:40:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:40:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:40:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:40:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:40:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:40:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:40:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:40:58,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:40:58,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738963610] [2024-10-24 11:40:58,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738963610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:40:58,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:40:58,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:40:58,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213212838] [2024-10-24 11:40:58,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:40:58,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:40:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:40:58,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:40:58,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:40:58,998 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:40:59,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:40:59,165 INFO L93 Difference]: Finished difference Result 280 states and 398 transitions. [2024-10-24 11:40:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:40:59,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2024-10-24 11:40:59,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:40:59,168 INFO L225 Difference]: With dead ends: 280 [2024-10-24 11:40:59,168 INFO L226 Difference]: Without dead ends: 181 [2024-10-24 11:40:59,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 11:40:59,170 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 116 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:40:59,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 674 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:40:59,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-24 11:40:59,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 169. [2024-10-24 11:40:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 137 states have (on average 1.3284671532846715) internal successors, (182), 138 states have internal predecessors, (182), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-24 11:40:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 240 transitions. [2024-10-24 11:40:59,200 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 240 transitions. Word has length 139 [2024-10-24 11:40:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:40:59,201 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 240 transitions. [2024-10-24 11:40:59,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:40:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 240 transitions. [2024-10-24 11:40:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 11:40:59,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:40:59,207 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:59,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 11:40:59,208 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:40:59,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:40:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1846418358, now seen corresponding path program 1 times [2024-10-24 11:40:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:40:59,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47442598] [2024-10-24 11:40:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:40:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:40:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:40:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:40:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:40:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:40:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:40:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:40:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:40:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:40:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:40:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:40:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:40:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:40:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:40:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:40:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:40:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:40:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:40:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:40:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:40:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:40:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:40:59,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:40:59,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47442598] [2024-10-24 11:40:59,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47442598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:40:59,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:40:59,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 11:40:59,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020884468] [2024-10-24 11:40:59,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:40:59,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 11:40:59,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:40:59,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 11:40:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 11:40:59,889 INFO L87 Difference]: Start difference. First operand 169 states and 240 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:00,135 INFO L93 Difference]: Finished difference Result 428 states and 605 transitions. [2024-10-24 11:41:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 11:41:00,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 140 [2024-10-24 11:41:00,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:00,139 INFO L225 Difference]: With dead ends: 428 [2024-10-24 11:41:00,139 INFO L226 Difference]: Without dead ends: 260 [2024-10-24 11:41:00,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:41:00,145 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 106 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:00,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 730 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 11:41:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-24 11:41:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2024-10-24 11:41:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 206 states have (on average 1.3106796116504855) internal successors, (270), 209 states have internal predecessors, (270), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-24 11:41:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 360 transitions. [2024-10-24 11:41:00,197 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 360 transitions. Word has length 140 [2024-10-24 11:41:00,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:00,198 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 360 transitions. [2024-10-24 11:41:00,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 360 transitions. [2024-10-24 11:41:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-24 11:41:00,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:00,202 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:00,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 11:41:00,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:00,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:00,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1611679062, now seen corresponding path program 1 times [2024-10-24 11:41:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121553260] [2024-10-24 11:41:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:00,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:00,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:00,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121553260] [2024-10-24 11:41:00,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121553260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:00,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:00,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 11:41:00,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647628719] [2024-10-24 11:41:00,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:00,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 11:41:00,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:00,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 11:41:00,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 11:41:00,893 INFO L87 Difference]: Start difference. First operand 256 states and 360 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:01,091 INFO L93 Difference]: Finished difference Result 500 states and 700 transitions. [2024-10-24 11:41:01,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 11:41:01,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 141 [2024-10-24 11:41:01,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:01,094 INFO L225 Difference]: With dead ends: 500 [2024-10-24 11:41:01,095 INFO L226 Difference]: Without dead ends: 265 [2024-10-24 11:41:01,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:41:01,096 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 83 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:01,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 935 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 11:41:01,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-24 11:41:01,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2024-10-24 11:41:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 212 states have (on average 1.3018867924528301) internal successors, (276), 215 states have internal predecessors, (276), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-24 11:41:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 366 transitions. [2024-10-24 11:41:01,114 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 366 transitions. Word has length 141 [2024-10-24 11:41:01,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:01,115 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 366 transitions. [2024-10-24 11:41:01,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 366 transitions. [2024-10-24 11:41:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-24 11:41:01,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:01,117 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:01,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 11:41:01,117 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:01,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1929151229, now seen corresponding path program 1 times [2024-10-24 11:41:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:01,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019729567] [2024-10-24 11:41:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:01,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:01,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:01,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019729567] [2024-10-24 11:41:01,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019729567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:01,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:01,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:41:01,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053659854] [2024-10-24 11:41:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:01,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:41:01,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:01,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:41:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:41:01,418 INFO L87 Difference]: Start difference. First operand 263 states and 366 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:01,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:01,491 INFO L93 Difference]: Finished difference Result 495 states and 687 transitions. [2024-10-24 11:41:01,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:41:01,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 141 [2024-10-24 11:41:01,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:01,494 INFO L225 Difference]: With dead ends: 495 [2024-10-24 11:41:01,494 INFO L226 Difference]: Without dead ends: 253 [2024-10-24 11:41:01,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 11:41:01,496 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 49 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:01,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 584 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:41:01,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-24 11:41:01,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251. [2024-10-24 11:41:01,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 200 states have (on average 1.28) internal successors, (256), 203 states have internal predecessors, (256), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-24 11:41:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 346 transitions. [2024-10-24 11:41:01,514 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 346 transitions. Word has length 141 [2024-10-24 11:41:01,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:01,515 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 346 transitions. [2024-10-24 11:41:01,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 346 transitions. [2024-10-24 11:41:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 11:41:01,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:01,517 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:01,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 11:41:01,517 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:01,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:01,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1117388278, now seen corresponding path program 1 times [2024-10-24 11:41:01,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:01,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423576799] [2024-10-24 11:41:01,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:01,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:01,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:01,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423576799] [2024-10-24 11:41:01,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423576799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:01,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:01,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:41:01,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035997017] [2024-10-24 11:41:01,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:01,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:41:01,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:01,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:41:01,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:41:01,817 INFO L87 Difference]: Start difference. First operand 251 states and 346 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:01,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:01,881 INFO L93 Difference]: Finished difference Result 477 states and 656 transitions. [2024-10-24 11:41:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:41:01,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 142 [2024-10-24 11:41:01,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:01,884 INFO L225 Difference]: With dead ends: 477 [2024-10-24 11:41:01,884 INFO L226 Difference]: Without dead ends: 247 [2024-10-24 11:41:01,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 11:41:01,885 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 53 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:01,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 627 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:41:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-24 11:41:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245. [2024-10-24 11:41:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.268041237113402) internal successors, (246), 197 states have internal predecessors, (246), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-24 11:41:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 336 transitions. [2024-10-24 11:41:01,901 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 336 transitions. Word has length 142 [2024-10-24 11:41:01,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:01,902 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 336 transitions. [2024-10-24 11:41:01,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 336 transitions. [2024-10-24 11:41:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 11:41:01,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:01,903 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:01,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 11:41:01,904 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:01,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:01,904 INFO L85 PathProgramCache]: Analyzing trace with hash -53240966, now seen corresponding path program 1 times [2024-10-24 11:41:01,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:01,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430262752] [2024-10-24 11:41:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:01,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:02,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430262752] [2024-10-24 11:41:02,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430262752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:02,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:02,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 11:41:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342602656] [2024-10-24 11:41:02,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:02,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 11:41:02,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:02,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 11:41:02,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:41:02,769 INFO L87 Difference]: Start difference. First operand 245 states and 336 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:03,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:03,420 INFO L93 Difference]: Finished difference Result 523 states and 712 transitions. [2024-10-24 11:41:03,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 11:41:03,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 142 [2024-10-24 11:41:03,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:03,424 INFO L225 Difference]: With dead ends: 523 [2024-10-24 11:41:03,424 INFO L226 Difference]: Without dead ends: 299 [2024-10-24 11:41:03,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-24 11:41:03,425 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 253 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:03,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 543 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 11:41:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-24 11:41:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 296. [2024-10-24 11:41:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 241 states have (on average 1.2738589211618256) internal successors, (307), 245 states have internal predecessors, (307), 47 states have call successors, (47), 7 states have call predecessors, (47), 7 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-24 11:41:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 401 transitions. [2024-10-24 11:41:03,455 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 401 transitions. Word has length 142 [2024-10-24 11:41:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:03,456 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 401 transitions. [2024-10-24 11:41:03,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 401 transitions. [2024-10-24 11:41:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 11:41:03,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:03,458 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:03,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 11:41:03,458 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:03,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:03,459 INFO L85 PathProgramCache]: Analyzing trace with hash 957876284, now seen corresponding path program 1 times [2024-10-24 11:41:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:03,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018653999] [2024-10-24 11:41:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:03,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:04,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018653999] [2024-10-24 11:41:04,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018653999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:04,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:04,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 11:41:04,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732634180] [2024-10-24 11:41:04,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:04,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 11:41:04,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:04,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 11:41:04,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:41:04,267 INFO L87 Difference]: Start difference. First operand 296 states and 401 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:04,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:04,795 INFO L93 Difference]: Finished difference Result 578 states and 782 transitions. [2024-10-24 11:41:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 11:41:04,796 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 142 [2024-10-24 11:41:04,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:04,798 INFO L225 Difference]: With dead ends: 578 [2024-10-24 11:41:04,798 INFO L226 Difference]: Without dead ends: 307 [2024-10-24 11:41:04,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-24 11:41:04,800 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 301 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:04,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 926 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 11:41:04,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-24 11:41:04,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 304. [2024-10-24 11:41:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 246 states have (on average 1.2642276422764227) internal successors, (311), 250 states have internal predecessors, (311), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-24 11:41:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 409 transitions. [2024-10-24 11:41:04,826 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 409 transitions. Word has length 142 [2024-10-24 11:41:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:04,826 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 409 transitions. [2024-10-24 11:41:04,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 409 transitions. [2024-10-24 11:41:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 11:41:04,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:04,828 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:04,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 11:41:04,829 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:04,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:04,829 INFO L85 PathProgramCache]: Analyzing trace with hash -187254472, now seen corresponding path program 1 times [2024-10-24 11:41:04,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:04,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886408134] [2024-10-24 11:41:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:04,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:05,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:05,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886408134] [2024-10-24 11:41:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886408134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:05,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:05,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 11:41:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214998172] [2024-10-24 11:41:05,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:05,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 11:41:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:05,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 11:41:05,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 11:41:05,249 INFO L87 Difference]: Start difference. First operand 304 states and 409 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:05,420 INFO L93 Difference]: Finished difference Result 637 states and 860 transitions. [2024-10-24 11:41:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 11:41:05,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 142 [2024-10-24 11:41:05,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:05,423 INFO L225 Difference]: With dead ends: 637 [2024-10-24 11:41:05,423 INFO L226 Difference]: Without dead ends: 358 [2024-10-24 11:41:05,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-24 11:41:05,424 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 118 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:05,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1223 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:41:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-24 11:41:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 346. [2024-10-24 11:41:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.2398523985239853) internal successors, (336), 275 states have internal predecessors, (336), 64 states have call successors, (64), 10 states have call predecessors, (64), 10 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 11:41:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 464 transitions. [2024-10-24 11:41:05,475 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 464 transitions. Word has length 142 [2024-10-24 11:41:05,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:05,475 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 464 transitions. [2024-10-24 11:41:05,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 464 transitions. [2024-10-24 11:41:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 11:41:05,476 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:05,477 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:05,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 11:41:05,477 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:05,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:05,477 INFO L85 PathProgramCache]: Analyzing trace with hash 823862778, now seen corresponding path program 1 times [2024-10-24 11:41:05,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:05,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637423997] [2024-10-24 11:41:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:05,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:06,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:06,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637423997] [2024-10-24 11:41:06,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637423997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:06,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:06,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 11:41:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131029989] [2024-10-24 11:41:06,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:06,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 11:41:06,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:06,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 11:41:06,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:41:06,201 INFO L87 Difference]: Start difference. First operand 346 states and 464 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:06,927 INFO L93 Difference]: Finished difference Result 669 states and 896 transitions. [2024-10-24 11:41:06,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 11:41:06,928 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 142 [2024-10-24 11:41:06,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:06,931 INFO L225 Difference]: With dead ends: 669 [2024-10-24 11:41:06,931 INFO L226 Difference]: Without dead ends: 348 [2024-10-24 11:41:06,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-24 11:41:06,933 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 297 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:06,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 679 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 11:41:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-24 11:41:06,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2024-10-24 11:41:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 270 states have (on average 1.2333333333333334) internal successors, (333), 274 states have internal predecessors, (333), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 11:41:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 461 transitions. [2024-10-24 11:41:06,979 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 461 transitions. Word has length 142 [2024-10-24 11:41:06,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:06,979 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 461 transitions. [2024-10-24 11:41:06,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 461 transitions. [2024-10-24 11:41:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 11:41:06,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:06,982 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:06,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 11:41:06,982 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:06,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:06,983 INFO L85 PathProgramCache]: Analyzing trace with hash 682123567, now seen corresponding path program 1 times [2024-10-24 11:41:06,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:06,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615777785] [2024-10-24 11:41:06,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:06,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:07,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:07,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615777785] [2024-10-24 11:41:07,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615777785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:07,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:07,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 11:41:07,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603235707] [2024-10-24 11:41:07,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:07,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 11:41:07,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:07,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 11:41:07,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:41:07,628 INFO L87 Difference]: Start difference. First operand 346 states and 461 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:07,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:07,990 INFO L93 Difference]: Finished difference Result 730 states and 975 transitions. [2024-10-24 11:41:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 11:41:07,992 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 143 [2024-10-24 11:41:07,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:07,997 INFO L225 Difference]: With dead ends: 730 [2024-10-24 11:41:07,997 INFO L226 Difference]: Without dead ends: 409 [2024-10-24 11:41:07,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-24 11:41:07,999 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 84 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:07,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1077 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 11:41:08,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-24 11:41:08,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2024-10-24 11:41:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 323 states have (on average 1.2445820433436532) internal successors, (402), 328 states have internal predecessors, (402), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 65 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 11:41:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 542 transitions. [2024-10-24 11:41:08,046 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 542 transitions. Word has length 143 [2024-10-24 11:41:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:08,046 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 542 transitions. [2024-10-24 11:41:08,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 542 transitions. [2024-10-24 11:41:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 11:41:08,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:08,050 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:08,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 11:41:08,051 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:08,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1042183336, now seen corresponding path program 1 times [2024-10-24 11:41:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975272245] [2024-10-24 11:41:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:08,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:08,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975272245] [2024-10-24 11:41:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975272245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:08,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:08,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:41:08,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469838076] [2024-10-24 11:41:08,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:08,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:41:08,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:08,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:41:08,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:41:08,329 INFO L87 Difference]: Start difference. First operand 406 states and 542 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:08,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:08,467 INFO L93 Difference]: Finished difference Result 790 states and 1055 transitions. [2024-10-24 11:41:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:41:08,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 143 [2024-10-24 11:41:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:08,472 INFO L225 Difference]: With dead ends: 790 [2024-10-24 11:41:08,472 INFO L226 Difference]: Without dead ends: 409 [2024-10-24 11:41:08,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 11:41:08,474 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 92 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:08,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 556 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:41:08,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-24 11:41:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2024-10-24 11:41:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 323 states have (on average 1.241486068111455) internal successors, (401), 328 states have internal predecessors, (401), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 65 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 11:41:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 541 transitions. [2024-10-24 11:41:08,521 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 541 transitions. Word has length 143 [2024-10-24 11:41:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:08,521 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 541 transitions. [2024-10-24 11:41:08,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 541 transitions. [2024-10-24 11:41:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 11:41:08,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:08,524 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:08,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 11:41:08,524 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:08,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:08,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1019825518, now seen corresponding path program 1 times [2024-10-24 11:41:08,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:08,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976463726] [2024-10-24 11:41:08,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:08,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:08,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:08,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976463726] [2024-10-24 11:41:08,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976463726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:08,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:08,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:41:08,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641599332] [2024-10-24 11:41:08,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:08,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:41:08,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:08,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:41:08,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:41:08,793 INFO L87 Difference]: Start difference. First operand 406 states and 541 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:08,932 INFO L93 Difference]: Finished difference Result 790 states and 1053 transitions. [2024-10-24 11:41:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:41:08,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 143 [2024-10-24 11:41:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:08,936 INFO L225 Difference]: With dead ends: 790 [2024-10-24 11:41:08,936 INFO L226 Difference]: Without dead ends: 409 [2024-10-24 11:41:08,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 11:41:08,937 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 96 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:08,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 550 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:41:08,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-24 11:41:08,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2024-10-24 11:41:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 323 states have (on average 1.238390092879257) internal successors, (400), 328 states have internal predecessors, (400), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 65 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 11:41:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 540 transitions. [2024-10-24 11:41:08,979 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 540 transitions. Word has length 143 [2024-10-24 11:41:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:08,980 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 540 transitions. [2024-10-24 11:41:08,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 540 transitions. [2024-10-24 11:41:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 11:41:08,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:08,981 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:08,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 11:41:08,982 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:08,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1242836, now seen corresponding path program 1 times [2024-10-24 11:41:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:08,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085816523] [2024-10-24 11:41:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:09,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:09,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085816523] [2024-10-24 11:41:09,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085816523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:09,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:09,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:41:09,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813881753] [2024-10-24 11:41:09,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:09,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:41:09,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:09,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:41:09,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:41:09,202 INFO L87 Difference]: Start difference. First operand 406 states and 540 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:09,324 INFO L93 Difference]: Finished difference Result 788 states and 1046 transitions. [2024-10-24 11:41:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:41:09,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 143 [2024-10-24 11:41:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:09,327 INFO L225 Difference]: With dead ends: 788 [2024-10-24 11:41:09,327 INFO L226 Difference]: Without dead ends: 407 [2024-10-24 11:41:09,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 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 11:41:09,328 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 63 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:09,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 666 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:41:09,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-24 11:41:09,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 404. [2024-10-24 11:41:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 320 states have (on average 1.23125) internal successors, (394), 325 states have internal predecessors, (394), 70 states have call successors, (70), 13 states have call predecessors, (70), 13 states have return successors, (70), 65 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 11:41:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 534 transitions. [2024-10-24 11:41:09,368 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 534 transitions. Word has length 143 [2024-10-24 11:41:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:09,368 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 534 transitions. [2024-10-24 11:41:09,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:41:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 534 transitions. [2024-10-24 11:41:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-24 11:41:09,370 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:09,370 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:09,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 11:41:09,370 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:09,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1305691030, now seen corresponding path program 1 times [2024-10-24 11:41:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:09,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595025878] [2024-10-24 11:41:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:10,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:10,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595025878] [2024-10-24 11:41:10,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595025878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:10,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:10,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 11:41:10,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077086419] [2024-10-24 11:41:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:10,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 11:41:10,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:10,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 11:41:10,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-10-24 11:41:10,645 INFO L87 Difference]: Start difference. First operand 404 states and 534 transitions. Second operand has 14 states, 13 states have (on average 4.0) internal successors, (52), 14 states have internal predecessors, (52), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:41:11,615 INFO L93 Difference]: Finished difference Result 880 states and 1157 transitions. [2024-10-24 11:41:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 11:41:11,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 14 states have internal predecessors, (52), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 144 [2024-10-24 11:41:11,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:41:11,619 INFO L225 Difference]: With dead ends: 880 [2024-10-24 11:41:11,619 INFO L226 Difference]: Without dead ends: 501 [2024-10-24 11:41:11,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2024-10-24 11:41:11,622 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 527 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 11:41:11,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1054 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 11:41:11,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-10-24 11:41:11,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 421. [2024-10-24 11:41:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 337 states have (on average 1.2344213649851632) internal successors, (416), 342 states have internal predecessors, (416), 70 states have call successors, (70), 13 states have call predecessors, (70), 13 states have return successors, (70), 65 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 11:41:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 556 transitions. [2024-10-24 11:41:11,668 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 556 transitions. Word has length 144 [2024-10-24 11:41:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:41:11,668 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 556 transitions. [2024-10-24 11:41:11,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 14 states have internal predecessors, (52), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:41:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 556 transitions. [2024-10-24 11:41:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-24 11:41:11,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:41:11,670 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:11,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 11:41:11,671 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:41:11,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:41:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2030247526, now seen corresponding path program 1 times [2024-10-24 11:41:11,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:41:11,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014340952] [2024-10-24 11:41:11,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:41:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:41:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:41:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:41:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:41:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:41:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:41:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:41:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:41:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:41:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:41:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:41:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:41:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:41:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:41:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:41:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 11:41:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 11:41:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:41:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 11:41:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 11:41:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:41:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:41:36,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:41:36,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014340952] [2024-10-24 11:41:36,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014340952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:41:36,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:41:36,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-10-24 11:41:36,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735303892] [2024-10-24 11:41:36,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:41:36,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 11:41:36,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:41:36,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 11:41:36,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=332, Unknown=1, NotChecked=0, Total=380 [2024-10-24 11:41:36,601 INFO L87 Difference]: Start difference. First operand 421 states and 556 transitions. Second operand has 20 states, 18 states have (on average 2.888888888888889) internal successors, (52), 20 states have internal predecessors, (52), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-10-24 11:41:44,029 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)