/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-17 00:17:06,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-17 00:17:06,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-17 00:17:06,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-17 00:17:06,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-17 00:17:06,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-17 00:17:06,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-17 00:17:06,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-17 00:17:06,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-17 00:17:06,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-17 00:17:06,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-17 00:17:06,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-17 00:17:06,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-17 00:17:06,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-17 00:17:06,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-17 00:17:06,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-17 00:17:06,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-17 00:17:06,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-17 00:17:06,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-17 00:17:06,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-17 00:17:06,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-17 00:17:06,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-17 00:17:06,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-17 00:17:06,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-17 00:17:06,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-17 00:17:06,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-17 00:17:06,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-17 00:17:06,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-17 00:17:06,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-17 00:17:06,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-17 00:17:06,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-17 00:17:06,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-17 00:17:06,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-17 00:17:06,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-17 00:17:06,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-17 00:17:06,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-17 00:17:06,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-17 00:17:06,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-17 00:17:06,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-17 00:17:06,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-17 00:17:06,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-17 00:17:06,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-17 00:17:06,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-17 00:17:06,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-17 00:17:06,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-17 00:17:06,768 INFO L138 SettingsManager]: * Use SBE=true [2022-02-17 00:17:06,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-17 00:17:06,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-17 00:17:06,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-17 00:17:06,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-17 00:17:06,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-17 00:17:06,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-17 00:17:06,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-17 00:17:06,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-17 00:17:06,770 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-17 00:17:06,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-17 00:17:06,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-17 00:17:06,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-17 00:17:06,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-17 00:17:06,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-17 00:17:06,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-17 00:17:06,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-17 00:17:06,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 00:17:06,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-17 00:17:06,778 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-17 00:17:06,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-17 00:17:06,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-17 00:17:06,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-17 00:17:06,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-17 00:17:06,779 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-17 00:17:06,780 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-17 00:17:06,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-17 00:17:06,780 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-17 00:17:06,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-17 00:17:06,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-17 00:17:07,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-17 00:17:07,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-17 00:17:07,014 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-17 00:17:07,015 INFO L275 PluginConnector]: CDTParser initialized [2022-02-17 00:17:07,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2022-02-17 00:17:07,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49f4544f/f388b62f35314c17b8a5840db6c9c4e3/FLAGbdb4e58a9 [2022-02-17 00:17:07,514 INFO L306 CDTParser]: Found 1 translation units. [2022-02-17 00:17:07,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2022-02-17 00:17:07,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49f4544f/f388b62f35314c17b8a5840db6c9c4e3/FLAGbdb4e58a9 [2022-02-17 00:17:07,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49f4544f/f388b62f35314c17b8a5840db6c9c4e3 [2022-02-17 00:17:07,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-17 00:17:07,540 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-17 00:17:07,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-17 00:17:07,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-17 00:17:07,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-17 00:17:07,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396dbd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07, skipping insertion in model container [2022-02-17 00:17:07,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-17 00:17:07,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-17 00:17:07,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c[2826,2839] [2022-02-17 00:17:07,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-17 00:17:07,827 INFO L203 MainTranslator]: Completed pre-run [2022-02-17 00:17:07,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c[2826,2839] [2022-02-17 00:17:07,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-17 00:17:07,860 INFO L208 MainTranslator]: Completed translation [2022-02-17 00:17:07,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07 WrapperNode [2022-02-17 00:17:07,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-17 00:17:07,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-17 00:17:07,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-17 00:17:07,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-17 00:17:07,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,896 INFO L137 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-02-17 00:17:07,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-17 00:17:07,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-17 00:17:07,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-17 00:17:07,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-17 00:17:07,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-17 00:17:07,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-17 00:17:07,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-17 00:17:07,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-17 00:17:07,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (1/1) ... [2022-02-17 00:17:07,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 00:17:07,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 00:17:07,954 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) [2022-02-17 00:17:07,972 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 [2022-02-17 00:17:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-17 00:17:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-17 00:17:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-17 00:17:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-17 00:17:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-17 00:17:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-17 00:17:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-17 00:17:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-17 00:17:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-17 00:17:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-17 00:17:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-17 00:17:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-17 00:17:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-17 00:17:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-02-17 00:17:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-02-17 00:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-02-17 00:17:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-02-17 00:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-17 00:17:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-17 00:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-17 00:17:08,004 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-17 00:17:08,088 INFO L234 CfgBuilder]: Building ICFG [2022-02-17 00:17:08,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-17 00:17:08,317 INFO L275 CfgBuilder]: Performing block encoding [2022-02-17 00:17:08,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-17 00:17:08,325 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-17 00:17:08,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 12:17:08 BoogieIcfgContainer [2022-02-17 00:17:08,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-17 00:17:08,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-17 00:17:08,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-17 00:17:08,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-17 00:17:08,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 12:17:07" (1/3) ... [2022-02-17 00:17:08,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1eea57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 12:17:08, skipping insertion in model container [2022-02-17 00:17:08,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 12:17:07" (2/3) ... [2022-02-17 00:17:08,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1eea57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 12:17:08, skipping insertion in model container [2022-02-17 00:17:08,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 12:17:08" (3/3) ... [2022-02-17 00:17:08,339 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2022-02-17 00:17:08,343 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-17 00:17:08,343 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-17 00:17:08,343 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-17 00:17:08,344 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-17 00:17:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,439 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,439 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,441 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,441 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 00:17:08,449 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-02-17 00:17:08,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-17 00:17:08,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 00:17:08,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-17 00:17:08,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-17 00:17:08,531 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-17 00:17:08,542 INFO L339 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-17 00:17:08,543 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-17 00:17:10,442 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 614 transitions and produced 615 states. [2022-02-17 00:17:10,445 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-17 00:17:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 00:17:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash 796616537, now seen corresponding path program 1 times [2022-02-17 00:17:10,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 00:17:10,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646257933] [2022-02-17 00:17:10,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 00:17:10,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 00:17:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 00:17:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 00:17:10,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 00:17:10,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646257933] [2022-02-17 00:17:10,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646257933] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 00:17:10,744 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 00:17:10,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-17 00:17:10,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886113047] [2022-02-17 00:17:10,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 00:17:10,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-17 00:17:10,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 00:17:10,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-17 00:17:10,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-17 00:17:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:10,773 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 00:17:10,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-17 00:17:10,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:11,991 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 614 transitions and produced 615 states. [2022-02-17 00:17:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:11,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-17 00:17:11,993 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-17 00:17:11,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 00:17:11,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1596691145, now seen corresponding path program 1 times [2022-02-17 00:17:11,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 00:17:11,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904329474] [2022-02-17 00:17:11,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 00:17:11,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 00:17:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 00:17:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 00:17:13,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 00:17:13,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904329474] [2022-02-17 00:17:13,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904329474] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 00:17:13,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 00:17:13,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-17 00:17:13,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806467606] [2022-02-17 00:17:13,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 00:17:13,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-17 00:17:13,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 00:17:13,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-17 00:17:13,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-17 00:17:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:13,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 00:17:13,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-17 00:17:13,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:13,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:37,097 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2811 transitions and produced 2812 states. [2022-02-17 00:17:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-17 00:17:37,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-17 00:17:37,099 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-17 00:17:37,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 00:17:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1201810165, now seen corresponding path program 1 times [2022-02-17 00:17:37,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 00:17:37,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602921978] [2022-02-17 00:17:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 00:17:37,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 00:17:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 00:17:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 00:17:37,517 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 00:17:37,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602921978] [2022-02-17 00:17:37,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602921978] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 00:17:37,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 00:17:37,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-17 00:17:37,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047890338] [2022-02-17 00:17:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 00:17:37,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-17 00:17:37,519 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 00:17:37,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-17 00:17:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-17 00:17:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:37,520 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 00:17:37,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-17 00:17:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 00:17:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-17 00:17:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.