/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/parallel-simple-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 14:03:33,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 14:03:33,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 14:03:33,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 14:03:33,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 14:03:33,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 14:03:33,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 14:03:33,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 14:03:33,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 14:03:33,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 14:03:33,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 14:03:33,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 14:03:33,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 14:03:33,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 14:03:33,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 14:03:33,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 14:03:33,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 14:03:33,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 14:03:33,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 14:03:33,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 14:03:33,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 14:03:33,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 14:03:33,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 14:03:33,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 14:03:33,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 14:03:33,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 14:03:33,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 14:03:33,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 14:03:33,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 14:03:33,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 14:03:33,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 14:03:33,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 14:03:33,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 14:03:33,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 14:03:33,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 14:03:33,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 14:03:33,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 14:03:33,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 14:03:33,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 14:03:33,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 14:03:33,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 14:03:33,499 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 [2022-02-10 14:03:33,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 14:03:33,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 14:03:33,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 14:03:33,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 14:03:33,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 14:03:33,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 14:03:33,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 14:03:33,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 14:03:33,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 14:03:33,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 14:03:33,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 14:03:33,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 14:03:33,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 14:03:33,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 14:03:33,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 14:03:33,522 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-10 14:03:33,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 14:03:33,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 14:03:33,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 14:03:33,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 14:03:33,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 14:03:33,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 14:03:33,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 14:03:33,535 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 14:03:33,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 14:03:33,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 14:03:33,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 14:03:33,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 14:03:33,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 14:03:33,735 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 14:03:33,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-02-10 14:03:33,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4efb252d/c526b3850a48476bb1435a922dc0210b/FLAGe1680688d [2022-02-10 14:03:34,141 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 14:03:34,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-02-10 14:03:34,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4efb252d/c526b3850a48476bb1435a922dc0210b/FLAGe1680688d [2022-02-10 14:03:34,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4efb252d/c526b3850a48476bb1435a922dc0210b [2022-02-10 14:03:34,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 14:03:34,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 14:03:34,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 14:03:34,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 14:03:34,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 14:03:34,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee9e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34, skipping insertion in model container [2022-02-10 14:03:34,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 14:03:34,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 14:03:34,317 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/parallel-simple-equiv.wvr.c[2212,2225] [2022-02-10 14:03:34,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 14:03:34,341 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 14:03:34,373 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/parallel-simple-equiv.wvr.c[2212,2225] [2022-02-10 14:03:34,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 14:03:34,384 INFO L208 MainTranslator]: Completed translation [2022-02-10 14:03:34,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34 WrapperNode [2022-02-10 14:03:34,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 14:03:34,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 14:03:34,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 14:03:34,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 14:03:34,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,421 INFO L137 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-02-10 14:03:34,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 14:03:34,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 14:03:34,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 14:03:34,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 14:03:34,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 14:03:34,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 14:03:34,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 14:03:34,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 14:03:34,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (1/1) ... [2022-02-10 14:03:34,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 14:03:34,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 14:03:34,487 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) [2022-02-10 14:03:34,501 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 [2022-02-10 14:03:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 14:03:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 14:03:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 14:03:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 14:03:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 14:03:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 14:03:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 14:03:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 14:03:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 14:03:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 14:03:34,531 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 14:03:34,590 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 14:03:34,591 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 14:03:34,777 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 14:03:34,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 14:03:34,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 14:03:34,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:03:34 BoogieIcfgContainer [2022-02-10 14:03:34,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 14:03:34,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 14:03:34,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 14:03:34,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 14:03:34,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:03:34" (1/3) ... [2022-02-10 14:03:34,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa9e778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:03:34, skipping insertion in model container [2022-02-10 14:03:34,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:03:34" (2/3) ... [2022-02-10 14:03:34,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa9e778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:03:34, skipping insertion in model container [2022-02-10 14:03:34,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:03:34" (3/3) ... [2022-02-10 14:03:34,805 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2022-02-10 14:03:34,808 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 14:03:34,809 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 14:03:34,809 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 14:03:34,809 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 14:03:34,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,836 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,836 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,836 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,836 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,841 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,841 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,841 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,841 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 14:03:34,845 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 14:03:34,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 14:03:34,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 14:03:34,883 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) [2022-02-10 14:03:34,923 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 [2022-02-10 14:03:34,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 14:03:34,956 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 [2022-02-10 14:03:34,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 14:03:35,271 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 125 transitions and produced 126 states. [2022-02-10 14:03:35,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 14:03:35,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 14:03:35,282 INFO L85 PathProgramCache]: Analyzing trace with hash 410438165, now seen corresponding path program 1 times [2022-02-10 14:03:35,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 14:03:35,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301619618] [2022-02-10 14:03:35,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 14:03:35,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 14:03:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 14:03:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 14:03:35,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 14:03:35,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301619618] [2022-02-10 14:03:35,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301619618] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 14:03:35,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 14:03:35,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 14:03:35,521 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590826010] [2022-02-10 14:03:35,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 14:03:35,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 14:03:35,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 14:03:35,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 14:03:35,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 14:03:35,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 14:03:35,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 14:03:35,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2022-02-10 14:03:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 14:03:35,734 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 125 transitions and produced 126 states. [2022-02-10 14:03:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 14:03:35,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 14:03:35,735 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 14:03:35,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 14:03:35,736 INFO L85 PathProgramCache]: Analyzing trace with hash 163918024, now seen corresponding path program 1 times [2022-02-10 14:03:35,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 14:03:35,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629984241] [2022-02-10 14:03:35,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 14:03:35,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 14:03:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 14:03:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 14:03:36,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 14:03:36,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629984241] [2022-02-10 14:03:36,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629984241] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 14:03:36,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 14:03:36,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 14:03:36,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28819140] [2022-02-10 14:03:36,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 14:03:36,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 14:03:36,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 14:03:36,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 14:03:36,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-02-10 14:03:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 14:03:36,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 14:03:36,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) [2022-02-10 14:03:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 14:03:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.