/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/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-17 01:02:37,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-17 01:02:37,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-17 01:02:37,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-17 01:02:37,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-17 01:02:37,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-17 01:02:37,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-17 01:02:37,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-17 01:02:37,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-17 01:02:37,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-17 01:02:37,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-17 01:02:37,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-17 01:02:37,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-17 01:02:37,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-17 01:02:37,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-17 01:02:37,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-17 01:02:37,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-17 01:02:37,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-17 01:02:37,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-17 01:02:38,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-17 01:02:38,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-17 01:02:38,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-17 01:02:38,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-17 01:02:38,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-17 01:02:38,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-17 01:02:38,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-17 01:02:38,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-17 01:02:38,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-17 01:02:38,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-17 01:02:38,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-17 01:02:38,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-17 01:02:38,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-17 01:02:38,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-17 01:02:38,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-17 01:02:38,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-17 01:02:38,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-17 01:02:38,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-17 01:02:38,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-17 01:02:38,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-17 01:02:38,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-17 01:02:38,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-17 01:02:38,042 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 01:02:38,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-17 01:02:38,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-17 01:02:38,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-17 01:02:38,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-17 01:02:38,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-17 01:02:38,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-17 01:02:38,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-17 01:02:38,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-17 01:02:38,076 INFO L138 SettingsManager]: * Use SBE=true [2022-02-17 01:02:38,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-17 01:02:38,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-17 01:02:38,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-17 01:02:38,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-17 01:02:38,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-17 01:02:38,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-17 01:02:38,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-17 01:02:38,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-17 01:02:38,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 01:02:38,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-17 01:02:38,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-17 01:02:38,081 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-17 01:02:38,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-17 01:02:38,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-17 01:02:38,081 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-17 01:02:38,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-17 01:02:38,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-17 01:02:38,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-17 01:02:38,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-17 01:02:38,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-17 01:02:38,307 INFO L275 PluginConnector]: CDTParser initialized [2022-02-17 01:02:38,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2022-02-17 01:02:38,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db076e3ae/34adade7f25843648c13c065d18c5cc6/FLAGc14aaaf5a [2022-02-17 01:02:38,842 INFO L306 CDTParser]: Found 1 translation units. [2022-02-17 01:02:38,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2022-02-17 01:02:38,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db076e3ae/34adade7f25843648c13c065d18c5cc6/FLAGc14aaaf5a [2022-02-17 01:02:39,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db076e3ae/34adade7f25843648c13c065d18c5cc6 [2022-02-17 01:02:39,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-17 01:02:39,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-17 01:02:39,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-17 01:02:39,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-17 01:02:39,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-17 01:02:39,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3345db39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39, skipping insertion in model container [2022-02-17 01:02:39,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-17 01:02:39,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-17 01:02:39,479 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/popl20-two-queue.wvr.c[2987,3000] [2022-02-17 01:02:39,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-17 01:02:39,492 INFO L203 MainTranslator]: Completed pre-run [2022-02-17 01:02:39,510 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/popl20-two-queue.wvr.c[2987,3000] [2022-02-17 01:02:39,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-17 01:02:39,526 INFO L208 MainTranslator]: Completed translation [2022-02-17 01:02:39,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39 WrapperNode [2022-02-17 01:02:39,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-17 01:02:39,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-17 01:02:39,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-17 01:02:39,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-17 01:02:39,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,594 INFO L137 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 200 [2022-02-17 01:02:39,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-17 01:02:39,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-17 01:02:39,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-17 01:02:39,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-17 01:02:39,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-17 01:02:39,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-17 01:02:39,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-17 01:02:39,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-17 01:02:39,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (1/1) ... [2022-02-17 01:02:39,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 01:02:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 01:02:39,675 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 01:02:39,680 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 01:02:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-17 01:02:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-17 01:02:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-17 01:02:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-17 01:02:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-17 01:02:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-17 01:02:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-17 01:02:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-17 01:02:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-17 01:02:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-17 01:02:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-17 01:02:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-17 01:02:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-17 01:02:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-17 01:02:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-17 01:02:39,723 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 01:02:39,844 INFO L234 CfgBuilder]: Building ICFG [2022-02-17 01:02:39,845 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-17 01:02:40,217 INFO L275 CfgBuilder]: Performing block encoding [2022-02-17 01:02:40,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-17 01:02:40,329 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-17 01:02:40,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:02:40 BoogieIcfgContainer [2022-02-17 01:02:40,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-17 01:02:40,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-17 01:02:40,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-17 01:02:40,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-17 01:02:40,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 01:02:39" (1/3) ... [2022-02-17 01:02:40,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2995509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 01:02:40, skipping insertion in model container [2022-02-17 01:02:40,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:02:39" (2/3) ... [2022-02-17 01:02:40,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2995509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 01:02:40, skipping insertion in model container [2022-02-17 01:02:40,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:02:40" (3/3) ... [2022-02-17 01:02:40,340 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2022-02-17 01:02:40,344 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-17 01:02:40,344 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-17 01:02:40,344 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-17 01:02:40,345 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-17 01:02:40,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,425 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,425 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,425 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,425 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,425 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 01:02:40,432 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-17 01:02:40,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-17 01:02:40,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 01:02:40,490 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 01:02:40,508 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 01:02:40,521 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-17 01:02:40,529 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 01:02:40,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-17 01:02:41,203 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 193 transitions and produced 194 states. [2022-02-17 01:02:41,206 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-17 01:02:41,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 01:02:41,213 INFO L85 PathProgramCache]: Analyzing trace with hash 605428637, now seen corresponding path program 1 times [2022-02-17 01:02:41,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 01:02:41,222 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778042440] [2022-02-17 01:02:41,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 01:02:41,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 01:02:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 01:02:41,447 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 01:02:41,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 01:02:41,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778042440] [2022-02-17 01:02:41,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778042440] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 01:02:41,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 01:02:41,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-17 01:02:41,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149388316] [2022-02-17 01:02:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 01:02:41,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-17 01:02:41,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 01:02:41,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-17 01:02:41,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-17 01:02:41,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:41,481 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 01:02:41,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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 01:02:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:41,885 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 193 transitions and produced 194 states. [2022-02-17 01:02:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:41,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-17 01:02:41,887 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-17 01:02:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 01:02:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1482980185, now seen corresponding path program 1 times [2022-02-17 01:02:41,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 01:02:41,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720998770] [2022-02-17 01:02:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 01:02:41,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 01:02:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 01:02:42,223 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 01:02:42,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 01:02:42,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720998770] [2022-02-17 01:02:42,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720998770] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 01:02:42,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 01:02:42,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-17 01:02:42,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435442845] [2022-02-17 01:02:42,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 01:02:42,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-17 01:02:42,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 01:02:42,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-17 01:02:42,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-17 01:02:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:42,227 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 01:02:42,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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 01:02:42,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:42,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:42,950 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 330 transitions and produced 331 states. [2022-02-17 01:02:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-17 01:02:42,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-17 01:02:42,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-17 01:02:42,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 01:02:42,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1826522147, now seen corresponding path program 1 times [2022-02-17 01:02:42,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 01:02:42,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694814568] [2022-02-17 01:02:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 01:02:42,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 01:02:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 01:02:43,162 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 01:02:43,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 01:02:43,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694814568] [2022-02-17 01:02:43,164 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694814568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 01:02:43,164 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 01:02:43,164 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-17 01:02:43,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585097040] [2022-02-17 01:02:43,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 01:02:43,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-17 01:02:43,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 01:02:43,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-17 01:02:43,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-17 01:02:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:43,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 01:02:43,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 01:02:43,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:43,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-17 01:02:43,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:46,373 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 943 transitions and produced 944 states. [2022-02-17 01:02:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-17 01:02:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-17 01:02:46,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-17 01:02:46,375 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-17 01:02:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 01:02:46,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1810193749, now seen corresponding path program 1 times [2022-02-17 01:02:46,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 01:02:46,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214813516] [2022-02-17 01:02:46,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 01:02:46,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 01:02:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 01:02:46,454 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 01:02:46,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 01:02:46,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214813516] [2022-02-17 01:02:46,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214813516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 01:02:46,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 01:02:46,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-17 01:02:46,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705239505] [2022-02-17 01:02:46,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 01:02:46,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-17 01:02:46,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 01:02:46,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-17 01:02:46,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-17 01:02:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:46,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 01:02:46,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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 01:02:46,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 01:02:46,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-17 01:02:46,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-17 01:02:46,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.