/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2018/Problem10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 00:04:50,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 00:04:50,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 00:04:50,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-02 00:04:50,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 00:04:50,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 00:04:50,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 00:04:50,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 00:04:50,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 00:04:50,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 00:04:50,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 00:04:50,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 00:04:50,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 00:04:50,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 00:04:50,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 00:04:50,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 00:04:50,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 00:04:50,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 00:04:50,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 00:04:50,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 00:04:50,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 00:04:50,929 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 00:04:50,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 00:04:50,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 00:04:50,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 00:04:50,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 00:04:50,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 00:04:50,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 00:04:50,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 00:04:50,931 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 00:04:50,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 00:04:50,931 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 00:04:50,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 00:04:50,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 00:04:50,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 00:04:50,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 00:04:50,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 00:04:50,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 00:04:50,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:04:50,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 00:04:50,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 00:04:50,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 00:04:50,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 00:04:50,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 00:04:50,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 00:04:50,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 00:04:50,934 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 00:04:50,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 00:04:50,935 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 00:04:50,935 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 00:04:51,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 00:04:51,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 00:04:51,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 00:04:51,151 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 00:04:51,152 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 00:04:51,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2018/Problem10.c [2023-04-02 00:04:52,368 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 00:04:52,674 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 00:04:52,674 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem10.c [2023-04-02 00:04:52,688 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39953512/37cd7d03b3904f6eb616ffd55eccca7c/FLAGbb775c1d1 [2023-04-02 00:04:52,700 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39953512/37cd7d03b3904f6eb616ffd55eccca7c [2023-04-02 00:04:52,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 00:04:52,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 00:04:52,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 00:04:52,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 00:04:52,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 00:04:52,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:04:52" (1/1) ... [2023-04-02 00:04:52,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:52, skipping insertion in model container [2023-04-02 00:04:52,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:04:52" (1/1) ... [2023-04-02 00:04:52,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 00:04:52,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 00:04:52,905 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem10.c[778,791] [2023-04-02 00:04:52,912 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem10.c[817,830] [2023-04-02 00:04:53,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:04:53,310 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 00:04:53,320 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem10.c[778,791] [2023-04-02 00:04:53,320 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem10.c[817,830] [2023-04-02 00:04:53,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:04:53,457 INFO L208 MainTranslator]: Completed translation [2023-04-02 00:04:53,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53 WrapperNode [2023-04-02 00:04:53,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 00:04:53,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 00:04:53,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 00:04:53,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 00:04:53,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 00:04:53,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 00:04:53,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 00:04:53,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 00:04:53,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (1/1) ... [2023-04-02 00:04:53,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:04:53,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 00:04:53,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 00:04:53,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 00:04:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 00:04:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 00:04:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 00:04:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2023-04-02 00:04:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2023-04-02 00:04:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_0 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_1 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_2 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_3 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_4 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_5 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_6 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_7 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_8 [2023-04-02 00:04:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_9 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_10 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_11 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_12 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_13 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_14 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_15 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_16 [2023-04-02 00:04:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_17 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_18 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_19 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_20 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_21 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_22 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_23 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_24 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_25 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_26 [2023-04-02 00:04:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_27 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_28 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_29 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_30 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_31 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_32 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_33 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_34 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_35 [2023-04-02 00:04:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_36 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_37 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_38 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_39 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_40 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_41 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_42 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_43 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_44 [2023-04-02 00:04:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_45 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_46 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_47 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_48 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_49 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_50 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_51 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_52 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_53 [2023-04-02 00:04:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_54 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_55 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_56 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_57 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_58 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_59 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_60 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_61 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_62 [2023-04-02 00:04:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_63 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_64 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_65 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_66 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_67 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_68 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_69 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_70 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_71 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_72 [2023-04-02 00:04:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_73 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_74 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_75 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_76 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_77 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_78 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_79 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_80 [2023-04-02 00:04:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_81 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_82 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_83 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_84 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_85 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_86 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_87 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_88 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_89 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_90 [2023-04-02 00:04:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_91 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_92 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_93 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_94 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_95 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_96 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_97 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_98 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_99 [2023-04-02 00:04:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure errorCheck [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm37 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm1 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm41 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm2 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm58 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm59 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm5 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm65 [2023-04-02 00:04:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm7 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm69 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm71 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm8 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm77 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm79 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm11 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm81 [2023-04-02 00:04:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm12 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm85 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm13 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm95 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm16 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm96 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm97 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm17 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm113 [2023-04-02 00:04:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm22 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm119 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm120 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm23 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm129 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm27 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm131 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm137 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm28 [2023-04-02 00:04:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm139 [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm29 [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm145 [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm30 [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm152 [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_outputm32 [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 00:04:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 00:04:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 00:04:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 00:04:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_0 [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_1 [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_2 [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_3 [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_4 [2023-04-02 00:04:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_5 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_6 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_7 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_8 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_9 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_10 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_11 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_12 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_13 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_14 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_15 [2023-04-02 00:04:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_16 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_17 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_18 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_19 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_20 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_21 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_22 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_23 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_24 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_25 [2023-04-02 00:04:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_26 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_27 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_28 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_29 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_30 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_31 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_32 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_33 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_34 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_35 [2023-04-02 00:04:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_36 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_37 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_38 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_39 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_40 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_41 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_42 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_43 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_44 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_45 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_46 [2023-04-02 00:04:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_47 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_48 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_49 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_50 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_51 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_52 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_53 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_54 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_55 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_56 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_57 [2023-04-02 00:04:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_58 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_59 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_60 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_61 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_62 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_63 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_64 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_65 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_66 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_67 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_68 [2023-04-02 00:04:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_69 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_70 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_71 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_72 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_73 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_74 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_75 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_76 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_77 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_78 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_79 [2023-04-02 00:04:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_80 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_81 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_82 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_83 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_84 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_85 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_86 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_87 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_88 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_89 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_90 [2023-04-02 00:04:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_91 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_92 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_93 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_94 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_95 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_96 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_97 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_98 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_99 [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure errorCheck [2023-04-02 00:04:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm1 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm2 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm3 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm4 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm5 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm6 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm7 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm8 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm9 [2023-04-02 00:04:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm10 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm11 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm12 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm13 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm14 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm15 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm16 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm17 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm18 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm19 [2023-04-02 00:04:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm20 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm21 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm22 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm23 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm24 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm25 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm26 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm27 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm28 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm29 [2023-04-02 00:04:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm30 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm31 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm32 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm33 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm34 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm35 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm36 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm37 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm38 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm39 [2023-04-02 00:04:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm40 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm41 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm42 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm43 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm44 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm45 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm46 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm47 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm48 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm49 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm50 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm51 [2023-04-02 00:04:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm52 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm53 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm54 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm55 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm56 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm57 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm58 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm59 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm60 [2023-04-02 00:04:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm61 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm62 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm63 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm64 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm65 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm66 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm67 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm68 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm69 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm70 [2023-04-02 00:04:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm71 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm72 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm73 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm74 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm75 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm76 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm77 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm78 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm79 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm80 [2023-04-02 00:04:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm81 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm82 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm83 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm84 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm85 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm86 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm87 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm88 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm89 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm90 [2023-04-02 00:04:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm91 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm92 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm93 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm94 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm95 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm96 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm97 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm98 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm99 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm100 [2023-04-02 00:04:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm101 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm102 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm103 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm104 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm105 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm106 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm107 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm108 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm109 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm110 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm111 [2023-04-02 00:04:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm112 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm113 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm114 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm115 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm116 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm117 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm118 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm119 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm120 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm121 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm122 [2023-04-02 00:04:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm123 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm124 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm125 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm126 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm127 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm128 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm129 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm130 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm131 [2023-04-02 00:04:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm132 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm133 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm134 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm135 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm136 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm137 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm138 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm139 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm140 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm141 [2023-04-02 00:04:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm142 [2023-04-02 00:04:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm143 [2023-04-02 00:04:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm144 [2023-04-02 00:04:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm145 [2023-04-02 00:04:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm146 [2023-04-02 00:04:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm147 [2023-04-02 00:04:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm148 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm149 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm150 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm151 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm152 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm153 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm154 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm155 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm156 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_outputm157 [2023-04-02 00:04:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 00:04:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 00:04:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 00:04:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 00:04:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 00:04:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 00:04:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 00:04:53,842 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 00:04:53,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 00:04:55,003 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 00:04:55,025 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 00:04:55,025 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 00:04:55,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:04:55 BoogieIcfgContainer [2023-04-02 00:04:55,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 00:04:55,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 00:04:55,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 00:04:55,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 00:04:55,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 12:04:52" (1/3) ... [2023-04-02 00:04:55,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ecf36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:04:55, skipping insertion in model container [2023-04-02 00:04:55,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:04:53" (2/3) ... [2023-04-02 00:04:55,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ecf36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:04:55, skipping insertion in model container [2023-04-02 00:04:55,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:04:55" (3/3) ... [2023-04-02 00:04:55,038 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10.c [2023-04-02 00:04:55,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 00:04:55,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-04-02 00:04:55,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 00:04:55,145 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7a779d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 00:04:55,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-04-02 00:04:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 796 states, 403 states have (on average 1.533498759305211) internal successors, (618), 546 states have internal predecessors, (618), 244 states have call successors, (244), 146 states have call predecessors, (244), 146 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2023-04-02 00:04:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-02 00:04:55,165 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:04:55,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:04:55,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:04:55,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:04:55,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1059437194, now seen corresponding path program 1 times [2023-04-02 00:04:55,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:04:55,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428739378] [2023-04-02 00:04:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:04:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:04:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:04:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:04:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:04:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:04:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:04:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428739378] [2023-04-02 00:04:55,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428739378] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:04:55,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:04:55,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:04:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376415571] [2023-04-02 00:04:55,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:04:55,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:04:55,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:04:55,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:04:55,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:04:55,814 INFO L87 Difference]: Start difference. First operand has 796 states, 403 states have (on average 1.533498759305211) internal successors, (618), 546 states have internal predecessors, (618), 244 states have call successors, (244), 146 states have call predecessors, (244), 146 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:00,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:05:00,081 INFO L93 Difference]: Finished difference Result 2193 states and 3423 transitions. [2023-04-02 00:05:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 00:05:00,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-04-02 00:05:00,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:05:00,112 INFO L225 Difference]: With dead ends: 2193 [2023-04-02 00:05:00,112 INFO L226 Difference]: Without dead ends: 1392 [2023-04-02 00:05:00,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 00:05:00,128 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1975 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-04-02 00:05:00,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 413 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-04-02 00:05:00,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2023-04-02 00:05:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 974. [2023-04-02 00:05:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 601 states have (on average 1.6772046589018303) internal successors, (1008), 782 states have internal predecessors, (1008), 282 states have call successors, (282), 185 states have call predecessors, (282), 89 states have return successors, (97), 87 states have call predecessors, (97), 85 states have call successors, (97) [2023-04-02 00:05:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1387 transitions. [2023-04-02 00:05:00,361 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1387 transitions. Word has length 19 [2023-04-02 00:05:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:05:00,362 INFO L495 AbstractCegarLoop]: Abstraction has 974 states and 1387 transitions. [2023-04-02 00:05:00,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1387 transitions. [2023-04-02 00:05:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-04-02 00:05:00,370 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:05:00,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:05:00,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 00:05:00,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:05:00,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:05:00,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1564810897, now seen corresponding path program 1 times [2023-04-02 00:05:00,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:05:00,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185463592] [2023-04-02 00:05:00,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:05:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:05:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:05:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:05:01,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:05:01,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185463592] [2023-04-02 00:05:01,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185463592] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:05:01,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:05:01,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:05:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989204733] [2023-04-02 00:05:01,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:05:01,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:05:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:05:01,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:05:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:05:01,380 INFO L87 Difference]: Start difference. First operand 974 states and 1387 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:05:08,887 INFO L93 Difference]: Finished difference Result 3341 states and 4822 transitions. [2023-04-02 00:05:08,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 00:05:08,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-04-02 00:05:08,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:05:08,911 INFO L225 Difference]: With dead ends: 3341 [2023-04-02 00:05:08,911 INFO L226 Difference]: Without dead ends: 2372 [2023-04-02 00:05:08,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 00:05:08,924 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1963 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 00:05:08,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 401 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 00:05:08,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2023-04-02 00:05:09,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 1779. [2023-04-02 00:05:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1222 states have (on average 1.6661211129296236) internal successors, (2036), 1496 states have internal predecessors, (2036), 362 states have call successors, (362), 262 states have call predecessors, (362), 193 states have return successors, (239), 181 states have call predecessors, (239), 169 states have call successors, (239) [2023-04-02 00:05:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2637 transitions. [2023-04-02 00:05:09,783 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2637 transitions. Word has length 20 [2023-04-02 00:05:09,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:05:09,783 INFO L495 AbstractCegarLoop]: Abstraction has 1779 states and 2637 transitions. [2023-04-02 00:05:09,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2637 transitions. [2023-04-02 00:05:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-02 00:05:09,789 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:05:09,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:05:09,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 00:05:09,790 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:05:09,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:05:09,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1311968311, now seen corresponding path program 1 times [2023-04-02 00:05:09,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:05:09,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282576189] [2023-04-02 00:05:09,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:05:09,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:05:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:05:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:05:10,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:05:10,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282576189] [2023-04-02 00:05:10,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282576189] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:05:10,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:05:10,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:05:10,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204013501] [2023-04-02 00:05:10,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:05:10,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:05:10,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:05:10,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:05:10,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:05:10,496 INFO L87 Difference]: Start difference. First operand 1779 states and 2637 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:05:19,481 INFO L93 Difference]: Finished difference Result 6082 states and 9102 transitions. [2023-04-02 00:05:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 00:05:19,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-04-02 00:05:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:05:19,516 INFO L225 Difference]: With dead ends: 6082 [2023-04-02 00:05:19,517 INFO L226 Difference]: Without dead ends: 4308 [2023-04-02 00:05:19,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 00:05:19,547 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1972 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 767 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 767 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 00:05:19,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 410 Invalid, 2571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [767 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 00:05:19,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2023-04-02 00:05:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 3393. [2023-04-02 00:05:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2462 states have (on average 1.6547522339561331) internal successors, (4074), 2923 states have internal predecessors, (4074), 526 states have call successors, (526), 419 states have call predecessors, (526), 403 states have return successors, (551), 369 states have call predecessors, (551), 335 states have call successors, (551) [2023-04-02 00:05:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 5151 transitions. [2023-04-02 00:05:20,563 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 5151 transitions. Word has length 21 [2023-04-02 00:05:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:05:20,563 INFO L495 AbstractCegarLoop]: Abstraction has 3393 states and 5151 transitions. [2023-04-02 00:05:20,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 5151 transitions. [2023-04-02 00:05:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-04-02 00:05:20,573 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:05:20,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:05:20,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 00:05:20,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:05:20,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:05:20,574 INFO L85 PathProgramCache]: Analyzing trace with hash 404689847, now seen corresponding path program 1 times [2023-04-02 00:05:20,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:05:20,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909025623] [2023-04-02 00:05:20,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:05:20,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:05:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:05:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:05:20,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:05:20,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909025623] [2023-04-02 00:05:20,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909025623] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:05:20,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:05:20,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 00:05:20,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138138738] [2023-04-02 00:05:20,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:05:20,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:05:20,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:05:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:05:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:05:20,941 INFO L87 Difference]: Start difference. First operand 3393 states and 5151 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:05:31,925 INFO L93 Difference]: Finished difference Result 11706 states and 20313 transitions. [2023-04-02 00:05:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 00:05:31,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-04-02 00:05:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:05:32,054 INFO L225 Difference]: With dead ends: 11706 [2023-04-02 00:05:32,054 INFO L226 Difference]: Without dead ends: 8318 [2023-04-02 00:05:32,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 00:05:32,087 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1914 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 813 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 00:05:32,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 423 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [813 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 00:05:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8318 states. [2023-04-02 00:05:33,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8318 to 8311. [2023-04-02 00:05:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8311 states, 6512 states have (on average 1.6357493857493857) internal successors, (10652), 7367 states have internal predecessors, (10652), 858 states have call successors, (858), 561 states have call predecessors, (858), 939 states have return successors, (2643), 1075 states have call predecessors, (2643), 667 states have call successors, (2643) [2023-04-02 00:05:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8311 states to 8311 states and 14153 transitions. [2023-04-02 00:05:33,356 INFO L78 Accepts]: Start accepts. Automaton has 8311 states and 14153 transitions. Word has length 23 [2023-04-02 00:05:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:05:33,357 INFO L495 AbstractCegarLoop]: Abstraction has 8311 states and 14153 transitions. [2023-04-02 00:05:33,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 8311 states and 14153 transitions. [2023-04-02 00:05:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-04-02 00:05:33,358 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:05:33,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:05:33,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 00:05:33,359 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:05:33,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:05:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash -386494181, now seen corresponding path program 1 times [2023-04-02 00:05:33,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:05:33,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266205989] [2023-04-02 00:05:33,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:05:33,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:05:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:05:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:05:33,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:05:33,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266205989] [2023-04-02 00:05:33,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266205989] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:05:33,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:05:33,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:05:33,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100358208] [2023-04-02 00:05:33,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:05:33,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:05:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:05:33,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:05:33,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:05:33,648 INFO L87 Difference]: Start difference. First operand 8311 states and 14153 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:38,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:05:38,988 INFO L93 Difference]: Finished difference Result 24414 states and 45209 transitions. [2023-04-02 00:05:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 00:05:38,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-04-02 00:05:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:05:39,148 INFO L225 Difference]: With dead ends: 24414 [2023-04-02 00:05:39,148 INFO L226 Difference]: Without dead ends: 16108 [2023-04-02 00:05:39,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 00:05:39,199 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 2422 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 1033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1033 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-04-02 00:05:39,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2452 Valid, 399 Invalid, 2803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1033 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-04-02 00:05:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16108 states. [2023-04-02 00:05:41,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16108 to 15929. [2023-04-02 00:05:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15929 states, 12694 states have (on average 1.6253348038443358) internal successors, (20632), 14211 states have internal predecessors, (20632), 1480 states have call successors, (1480), 993 states have call predecessors, (1480), 1753 states have return successors, (7323), 2025 states have call predecessors, (7323), 1293 states have call successors, (7323) [2023-04-02 00:05:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15929 states to 15929 states and 29435 transitions. [2023-04-02 00:05:41,297 INFO L78 Accepts]: Start accepts. Automaton has 15929 states and 29435 transitions. Word has length 24 [2023-04-02 00:05:41,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:05:41,298 INFO L495 AbstractCegarLoop]: Abstraction has 15929 states and 29435 transitions. [2023-04-02 00:05:41,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 15929 states and 29435 transitions. [2023-04-02 00:05:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-04-02 00:05:41,300 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:05:41,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:05:41,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 00:05:41,300 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:05:41,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:05:41,301 INFO L85 PathProgramCache]: Analyzing trace with hash 856761528, now seen corresponding path program 1 times [2023-04-02 00:05:41,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:05:41,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561765507] [2023-04-02 00:05:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:05:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:05:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:05:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:05:41,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:05:41,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561765507] [2023-04-02 00:05:41,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561765507] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:05:41,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:05:41,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:05:41,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106100240] [2023-04-02 00:05:41,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:05:41,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:05:41,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:05:41,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:05:41,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:05:41,468 INFO L87 Difference]: Start difference. First operand 15929 states and 29435 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:05:46,768 INFO L93 Difference]: Finished difference Result 31856 states and 63202 transitions. [2023-04-02 00:05:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 00:05:46,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-04-02 00:05:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:05:46,913 INFO L225 Difference]: With dead ends: 31856 [2023-04-02 00:05:46,913 INFO L226 Difference]: Without dead ends: 31848 [2023-04-02 00:05:46,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 00:05:46,928 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 1382 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-02 00:05:46,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 772 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-02 00:05:46,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31848 states. [2023-04-02 00:05:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31848 to 31663. [2023-04-02 00:05:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31663 states, 25384 states have (on average 1.620390797352663) internal successors, (41132), 28325 states have internal predecessors, (41132), 2772 states have call successors, (2772), 1889 states have call predecessors, (2772), 3505 states have return successors, (18853), 4049 states have call predecessors, (18853), 2585 states have call successors, (18853) [2023-04-02 00:05:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31663 states to 31663 states and 62757 transitions. [2023-04-02 00:05:52,260 INFO L78 Accepts]: Start accepts. Automaton has 31663 states and 62757 transitions. Word has length 25 [2023-04-02 00:05:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:05:52,260 INFO L495 AbstractCegarLoop]: Abstraction has 31663 states and 62757 transitions. [2023-04-02 00:05:52,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:05:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 31663 states and 62757 transitions. [2023-04-02 00:05:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-02 00:05:52,262 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:05:52,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:05:52,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 00:05:52,263 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:05:52,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:05:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash -303523891, now seen corresponding path program 1 times [2023-04-02 00:05:52,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:05:52,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027923388] [2023-04-02 00:05:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:05:52,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:05:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:05:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:05:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:05:52,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:05:52,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027923388] [2023-04-02 00:05:52,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027923388] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:05:52,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:05:52,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 00:05:52,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607404913] [2023-04-02 00:05:52,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:05:52,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:05:52,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:05:52,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:05:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:05:52,597 INFO L87 Difference]: Start difference. First operand 31663 states and 62757 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:06:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:06:05,178 INFO L93 Difference]: Finished difference Result 77104 states and 174932 transitions. [2023-04-02 00:06:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 00:06:05,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-04-02 00:06:05,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:06:06,369 INFO L225 Difference]: With dead ends: 77104 [2023-04-02 00:06:06,369 INFO L226 Difference]: Without dead ends: 45446 [2023-04-02 00:06:06,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 00:06:06,891 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 2055 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 3262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 811 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 00:06:06,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 440 Invalid, 3262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [811 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 00:06:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45446 states. [2023-04-02 00:06:14,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45446 to 45439. [2023-04-02 00:06:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45439 states, 36728 states have (on average 1.542419952080157) internal successors, (56650), 40565 states have internal predecessors, (56650), 3652 states have call successors, (3652), 2673 states have call predecessors, (3652), 5057 states have return successors, (30245), 5601 states have call predecessors, (30245), 3465 states have call successors, (30245) [2023-04-02 00:06:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45439 states to 45439 states and 90547 transitions. [2023-04-02 00:06:15,422 INFO L78 Accepts]: Start accepts. Automaton has 45439 states and 90547 transitions. Word has length 28 [2023-04-02 00:06:15,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:06:15,423 INFO L495 AbstractCegarLoop]: Abstraction has 45439 states and 90547 transitions. [2023-04-02 00:06:15,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:06:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 45439 states and 90547 transitions. [2023-04-02 00:06:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-04-02 00:06:15,428 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:06:15,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:06:15,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 00:06:15,428 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:06:15,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:06:15,429 INFO L85 PathProgramCache]: Analyzing trace with hash -865526993, now seen corresponding path program 1 times [2023-04-02 00:06:15,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:06:15,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637900630] [2023-04-02 00:06:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:06:15,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:06:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:06:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:06:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:06:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:06:15,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:06:15,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637900630] [2023-04-02 00:06:15,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637900630] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:06:15,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:06:15,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:06:15,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722830179] [2023-04-02 00:06:15,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:06:15,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:06:15,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:06:15,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:06:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:06:15,646 INFO L87 Difference]: Start difference. First operand 45439 states and 90547 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:06:29,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:06:29,630 INFO L93 Difference]: Finished difference Result 147720 states and 414418 transitions. [2023-04-02 00:06:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 00:06:29,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-04-02 00:06:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:06:30,511 INFO L225 Difference]: With dead ends: 147720 [2023-04-02 00:06:30,511 INFO L226 Difference]: Without dead ends: 102286 [2023-04-02 00:06:31,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 00:06:31,086 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 2474 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 1083 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1083 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-02 00:06:31,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 551 Invalid, 3411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1083 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-02 00:06:31,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102286 states. [2023-04-02 00:07:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102286 to 101975. [2023-04-02 00:07:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101975 states, 84412 states have (on average 1.5116571103634555) internal successors, (127602), 91733 states have internal predecessors, (127602), 7284 states have call successors, (7284), 5461 states have call predecessors, (7284), 10277 states have return successors, (134617), 11381 states have call predecessors, (134617), 7097 states have call successors, (134617) [2023-04-02 00:07:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101975 states to 101975 states and 269503 transitions. [2023-04-02 00:07:11,972 INFO L78 Accepts]: Start accepts. Automaton has 101975 states and 269503 transitions. Word has length 29 [2023-04-02 00:07:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:07:11,977 INFO L495 AbstractCegarLoop]: Abstraction has 101975 states and 269503 transitions. [2023-04-02 00:07:11,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:07:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 101975 states and 269503 transitions. [2023-04-02 00:07:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-04-02 00:07:11,979 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:07:11,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:07:11,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 00:07:11,979 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_aErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_bErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:07:11,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:07:11,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1107720274, now seen corresponding path program 1 times [2023-04-02 00:07:11,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:07:11,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551989192] [2023-04-02 00:07:11,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:07:11,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:07:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:07:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:07:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:07:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:07:12,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:07:12,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551989192] [2023-04-02 00:07:12,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551989192] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:07:12,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:07:12,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 00:07:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473314380] [2023-04-02 00:07:12,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:07:12,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 00:07:12,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:07:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 00:07:12,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:07:12,261 INFO L87 Difference]: Start difference. First operand 101975 states and 269503 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 00:07:39,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:07:39,440 INFO L93 Difference]: Finished difference Result 232528 states and 768704 transitions. [2023-04-02 00:07:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 00:07:39,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-04-02 00:07:39,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:07:41,182 INFO L225 Difference]: With dead ends: 232528 [2023-04-02 00:07:41,183 INFO L226 Difference]: Without dead ends: 130558 [2023-04-02 00:07:45,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 00:07:45,032 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 2031 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 3389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-02 00:07:45,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 468 Invalid, 3389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 2601 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-02 00:07:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130558 states. [2023-04-02 00:08:21,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130558 to 130551. [2023-04-02 00:08:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130551 states, 108916 states have (on average 1.3972786367475853) internal successors, (152186), 117557 states have internal predecessors, (152186), 8924 states have call successors, (8924), 6941 states have call predecessors, (8924), 12709 states have return successors, (172777), 13813 states have call predecessors, (172777), 8737 states have call successors, (172777)