/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-MCRwithDepranks-Lazy-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 20:46:53,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 20:46:53,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 20:46:53,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 20:46:53,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 20:46:53,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 20:46:53,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 20:46:53,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 20:46:53,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 20:46:53,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 20:46:53,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 20:46:53,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 20:46:53,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 20:46:53,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 20:46:53,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 20:46:53,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 20:46:53,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 20:46:53,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 20:46:53,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 20:46:53,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 20:46:53,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 20:46:53,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 20:46:53,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 20:46:53,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 20:46:53,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 20:46:53,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 20:46:53,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 20:46:53,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 20:46:53,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 20:46:53,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 20:46:53,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 20:46:53,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 20:46:53,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 20:46:53,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 20:46:53,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 20:46:53,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 20:46:53,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 20:46:53,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 20:46:53,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 20:46:53,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 20:46:53,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 20:46:53,576 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-MCRwithDepranks-Lazy-wrwc.epf [2022-02-19 20:46:53,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 20:46:53,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 20:46:53,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 20:46:53,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 20:46:53,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 20:46:53,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 20:46:53,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 20:46:53,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 20:46:53,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 20:46:53,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 20:46:53,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 20:46:53,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 20:46:53,607 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 20:46:53,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 20:46:53,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 20:46:53,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 20:46:53,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 20:46:53,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 20:46:53,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 20:46:53,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 20:46:53,609 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 20:46:53,610 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 20:46:53,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 20:46:53,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 20:46:53,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 20:46:53,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 20:46:53,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 20:46:53,835 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 20:46:53,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2022-02-19 20:46:53,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ca4db0c/0e929804a4194936ac5a09b96bcc9484/FLAG1c741544c [2022-02-19 20:46:54,272 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 20:46:54,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2022-02-19 20:46:54,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ca4db0c/0e929804a4194936ac5a09b96bcc9484/FLAG1c741544c [2022-02-19 20:46:54,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ca4db0c/0e929804a4194936ac5a09b96bcc9484 [2022-02-19 20:46:54,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 20:46:54,701 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 20:46:54,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 20:46:54,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 20:46:54,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 20:46:54,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3e8078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54, skipping insertion in model container [2022-02-19 20:46:54,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 20:46:54,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 20:46:54,876 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-simple-array-sum.wvr.c[2690,2703] [2022-02-19 20:46:54,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 20:46:54,884 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 20:46:54,903 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-simple-array-sum.wvr.c[2690,2703] [2022-02-19 20:46:54,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 20:46:54,913 INFO L208 MainTranslator]: Completed translation [2022-02-19 20:46:54,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54 WrapperNode [2022-02-19 20:46:54,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 20:46:54,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 20:46:54,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 20:46:54,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 20:46:54,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,943 INFO L137 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 121 [2022-02-19 20:46:54,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 20:46:54,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 20:46:54,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 20:46:54,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 20:46:54,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 20:46:54,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 20:46:54,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 20:46:54,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 20:46:54,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (1/1) ... [2022-02-19 20:46:54,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 20:46:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:46:55,021 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) [2022-02-19 20:46:55,040 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 [2022-02-19 20:46:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 20:46:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 20:46:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 20:46:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 20:46:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 20:46:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 20:46:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 20:46:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 20:46:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 20:46:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 20:46:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 20:46:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 20:46:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 20:46:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 20:46:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 20:46:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 20:46:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 20:46:55,087 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 20:46:55,191 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 20:46:55,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 20:46:55,395 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 20:46:55,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 20:46:55,415 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-19 20:46:55,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:46:55 BoogieIcfgContainer [2022-02-19 20:46:55,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 20:46:55,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 20:46:55,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 20:46:55,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 20:46:55,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 08:46:54" (1/3) ... [2022-02-19 20:46:55,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f7725b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:46:55, skipping insertion in model container [2022-02-19 20:46:55,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:46:54" (2/3) ... [2022-02-19 20:46:55,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f7725b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:46:55, skipping insertion in model container [2022-02-19 20:46:55,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:46:55" (3/3) ... [2022-02-19 20:46:55,425 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2022-02-19 20:46:55,428 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 20:46:55,429 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 20:46:55,429 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 20:46:55,429 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 20:46:55,464 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,465 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,465 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,465 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,465 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,465 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,466 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,467 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,469 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,469 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,469 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,469 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,469 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,471 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,471 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,471 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,471 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,472 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,473 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,473 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,473 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,473 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,474 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,474 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,474 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,474 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,474 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,474 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,475 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,475 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,475 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,475 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,475 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,475 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,476 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,476 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,476 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,476 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,476 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,476 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,478 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,478 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,478 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,480 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,481 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,482 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,482 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,482 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,482 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,483 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,483 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:46:55,485 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 20:46:55,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 20:46:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:46:55,517 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) [2022-02-19 20:46:55,518 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 [2022-02-19 20:46:55,536 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 20:46:55,541 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 20:46:55,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 20:46:55,630 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 191 transitions and produced 192 states. [2022-02-19 20:46:55,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:46:55,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:46:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1207374193, now seen corresponding path program 1 times [2022-02-19 20:46:55,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:46:55,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45580696] [2022-02-19 20:46:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:46:55,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:46:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:46:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:46:55,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:46:55,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45580696] [2022-02-19 20:46:55,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45580696] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:46:55,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:46:55,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 20:46:55,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649364684] [2022-02-19 20:46:55,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:46:55,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 20:46:55,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:46:55,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 20:46:55,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 20:46:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:55,814 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:46:55,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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) [2022-02-19 20:46:55,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:55,921 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 191 transitions and produced 192 states. [2022-02-19 20:46:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:55,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 20:46:55,923 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:46:55,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:46:55,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1092060821, now seen corresponding path program 1 times [2022-02-19 20:46:55,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:46:55,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765728956] [2022-02-19 20:46:55,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:46:55,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:46:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:46:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:46:56,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:46:56,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765728956] [2022-02-19 20:46:56,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765728956] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:46:56,929 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:46:56,929 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-19 20:46:56,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196558181] [2022-02-19 20:46:56,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:46:56,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 20:46:56,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:46:56,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 20:46:56,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-02-19 20:46:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:56,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:46:56,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 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) [2022-02-19 20:46:56,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:56,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:57,627 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 249 transitions and produced 238 states. [2022-02-19 20:46:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 20:46:57,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 20:46:57,628 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:46:57,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:46:57,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1720115572, now seen corresponding path program 1 times [2022-02-19 20:46:57,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:46:57,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009987180] [2022-02-19 20:46:57,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:46:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:46:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:46:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:46:57,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:46:57,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009987180] [2022-02-19 20:46:57,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009987180] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:46:57,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:46:57,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 20:46:57,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896292395] [2022-02-19 20:46:57,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:46:57,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 20:46:57,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:46:57,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 20:46:57,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-19 20:46:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:57,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:46:57,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 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) [2022-02-19 20:46:57,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:46:57,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 20:46:57,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:47:17,019 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8434 transitions and produced 3664 states. [2022-02-19 20:47:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:47:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 20:47:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 20:47:17,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 20:47:17,028 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:47:17,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:47:17,029 INFO L85 PathProgramCache]: Analyzing trace with hash -523815149, now seen corresponding path program 1 times [2022-02-19 20:47:17,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:47:17,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947357679] [2022-02-19 20:47:17,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:47:17,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:47:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:47:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:47:17,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:47:17,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947357679] [2022-02-19 20:47:17,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947357679] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:47:17,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:47:17,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 20:47:17,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669428435] [2022-02-19 20:47:17,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:47:17,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 20:47:17,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:47:17,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 20:47:17,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-19 20:47:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:47:17,135 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:47:17,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 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) [2022-02-19 20:47:17,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:47:17,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 20:47:17,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 20:47:17,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.