/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 07:45:07,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 07:45:07,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 07:45:07,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 07:45:07,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 07:45:07,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 07:45:07,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 07:45:07,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 07:45:07,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 07:45:07,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 07:45:07,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 07:45:07,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 07:45:07,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 07:45:07,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 07:45:07,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 07:45:07,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 07:45:07,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 07:45:07,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 07:45:07,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 07:45:07,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 07:45:07,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 07:45:07,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 07:45:07,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 07:45:07,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 07:45:07,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 07:45:07,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 07:45:07,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 07:45:07,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 07:45:07,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 07:45:07,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 07:45:07,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 07:45:07,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 07:45:07,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 07:45:07,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 07:45:07,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 07:45:07,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 07:45:07,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 07:45:07,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 07:45:07,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 07:45:07,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 07:45:07,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 07:45:07,439 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 07:45:07,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 07:45:07,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 07:45:07,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 07:45:07,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 07:45:07,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 07:45:07,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 07:45:07,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 07:45:07,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 07:45:07,465 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 07:45:07,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 07:45:07,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 07:45:07,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 07:45:07,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 07:45:07,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 07:45:07,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 07:45:07,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 07:45:07,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 07:45:07,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 07:45:07,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 07:45:07,469 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 07:45:07,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 07:45:07,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 07:45:07,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 07:45:07,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 07:45:07,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 07:45:07,649 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 07:45:07,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2022-02-11 07:45:07,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4b2539c/a0e9aa0f472842f5a2274fe4f1a51531/FLAGac76f9f9c [2022-02-11 07:45:08,115 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 07:45:08,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2022-02-11 07:45:08,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4b2539c/a0e9aa0f472842f5a2274fe4f1a51531/FLAGac76f9f9c [2022-02-11 07:45:08,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4b2539c/a0e9aa0f472842f5a2274fe4f1a51531 [2022-02-11 07:45:08,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 07:45:08,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 07:45:08,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 07:45:08,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 07:45:08,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 07:45:08,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6f298f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08, skipping insertion in model container [2022-02-11 07:45:08,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 07:45:08,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 07:45:08,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2022-02-11 07:45:08,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 07:45:08,477 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 07:45:08,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2022-02-11 07:45:08,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 07:45:08,555 INFO L208 MainTranslator]: Completed translation [2022-02-11 07:45:08,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08 WrapperNode [2022-02-11 07:45:08,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 07:45:08,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 07:45:08,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 07:45:08,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 07:45:08,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,606 INFO L137 Inliner]: procedures = 268, calls = 46, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2022-02-11 07:45:08,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 07:45:08,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 07:45:08,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 07:45:08,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 07:45:08,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 07:45:08,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 07:45:08,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 07:45:08,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 07:45:08,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (1/1) ... [2022-02-11 07:45:08,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 07:45:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:45:08,679 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) [2022-02-11 07:45:08,696 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 [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 07:45:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 07:45:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 07:45:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 07:45:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 07:45:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 07:45:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 07:45:08,715 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 07:45:08,784 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 07:45:08,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 07:45:08,984 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 07:45:08,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 07:45:08,990 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 07:45:08,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 07:45:08 BoogieIcfgContainer [2022-02-11 07:45:08,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 07:45:08,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 07:45:08,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 07:45:08,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 07:45:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 07:45:08" (1/3) ... [2022-02-11 07:45:08,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b458d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 07:45:08, skipping insertion in model container [2022-02-11 07:45:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 07:45:08" (2/3) ... [2022-02-11 07:45:08,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b458d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 07:45:08, skipping insertion in model container [2022-02-11 07:45:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 07:45:08" (3/3) ... [2022-02-11 07:45:08,997 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2022-02-11 07:45:09,001 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 07:45:09,001 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 07:45:09,001 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 07:45:09,001 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 07:45:09,025 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,026 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,028 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,028 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,028 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,028 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,028 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,028 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,029 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,029 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,029 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,029 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,029 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,029 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,030 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,031 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,032 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,032 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,032 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,032 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,032 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,033 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,034 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,036 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,036 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,036 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,036 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,036 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,037 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,037 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,038 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,038 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,038 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,039 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,039 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,039 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,039 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 07:45:09,042 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 07:45:09,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 07:45:09,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:45:09,076 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) [2022-02-11 07:45:09,077 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 [2022-02-11 07:45:09,098 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 07:45:09,102 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, 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 [2022-02-11 07:45:09,102 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 07:45:09,308 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:45:09,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:45:09,311 INFO L85 PathProgramCache]: Analyzing trace with hash 350373074, now seen corresponding path program 1 times [2022-02-11 07:45:09,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:45:09,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831933981] [2022-02-11 07:45:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:45:09,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:45:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:45:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:45:09,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:45:09,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831933981] [2022-02-11 07:45:09,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831933981] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:45:09,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:45:09,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 07:45:09,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491739245] [2022-02-11 07:45:09,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:45:09,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 07:45:09,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:45:09,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 07:45:09,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 07:45:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,570 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:45:09,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 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) [2022-02-11 07:45:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 07:45:09,589 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:45:09,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:45:09,589 INFO L85 PathProgramCache]: Analyzing trace with hash -222192304, now seen corresponding path program 1 times [2022-02-11 07:45:09,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:45:09,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130461521] [2022-02-11 07:45:09,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:45:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:45:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:45:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:45:09,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:45:09,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130461521] [2022-02-11 07:45:09,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130461521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:45:09,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:45:09,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 07:45:09,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536976328] [2022-02-11 07:45:09,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:45:09,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 07:45:09,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:45:09,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 07:45:09,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 07:45:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:45:09,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-02-11 07:45:09,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:09,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 07:45:09,815 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:45:09,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:45:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1904621954, now seen corresponding path program 1 times [2022-02-11 07:45:09,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:45:09,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579018388] [2022-02-11 07:45:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:45:09,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:45:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:45:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:45:09,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:45:09,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579018388] [2022-02-11 07:45:09,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579018388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:45:09,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:45:09,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 07:45:09,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975392255] [2022-02-11 07:45:09,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:45:09,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 07:45:09,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:45:09,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 07:45:09,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 07:45:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:45:09,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2022-02-11 07:45:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:09,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:09,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:10,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:10,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:10,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 07:45:10,601 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 07:45:10,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:45:10,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1721916350, now seen corresponding path program 2 times [2022-02-11 07:45:10,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:45:10,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142310725] [2022-02-11 07:45:10,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:45:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:45:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:45:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:45:10,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:45:10,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142310725] [2022-02-11 07:45:10,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142310725] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:45:10,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823768966] [2022-02-11 07:45:10,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 07:45:10,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:45:10,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:45:10,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:45:10,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 07:45:10,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 07:45:10,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:45:10,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-11 07:45:10,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:45:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:45:11,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 07:45:11,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823768966] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:45:11,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 07:45:11,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-02-11 07:45:11,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263538948] [2022-02-11 07:45:11,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:45:11,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 07:45:11,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:45:11,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 07:45:11,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-11 07:45:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:11,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:45:11,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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) [2022-02-11 07:45:11,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:45:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 07:45:11,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 07:45:11,534 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 07:45:11,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 07:45:11,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 07:45:11,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 07:45:11,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,ResultService [2022-02-11 07:45:11,752 INFO L733 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-02-11 07:45:11,754 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 07:45:11,754 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 07:45:11,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 07:45:11 BasicIcfg [2022-02-11 07:45:11,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 07:45:11,756 INFO L158 Benchmark]: Toolchain (without parser) took 3621.04ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 159.6MB in the beginning and 120.3MB in the end (delta: 39.3MB). Peak memory consumption was 77.2MB. Max. memory is 8.0GB. [2022-02-11 07:45:11,756 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 07:45:11,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.49ms. Allocated memory is still 186.6MB. Free memory was 159.3MB in the beginning and 139.9MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-02-11 07:45:11,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.85ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 137.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 07:45:11,757 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 135.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 07:45:11,757 INFO L158 Benchmark]: RCFGBuilder took 356.83ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 122.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-11 07:45:11,757 INFO L158 Benchmark]: TraceAbstraction took 2762.92ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 121.9MB in the beginning and 120.3MB in the end (delta: 1.6MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-02-11 07:45:11,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 419.49ms. Allocated memory is still 186.6MB. Free memory was 159.3MB in the beginning and 139.9MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.85ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 137.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 135.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 356.83ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 122.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2762.92ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 121.9MB in the beginning and 120.3MB in the end (delta: 1.6MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1598, positive: 1501, positive conditional: 560, positive unconditional: 941, negative: 97, negative conditional: 83, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3852, positive: 3812, positive conditional: 740, positive unconditional: 3072, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3852, positive: 3812, positive conditional: 740, positive unconditional: 3072, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3875, positive: 3812, positive conditional: 644, positive unconditional: 3168, negative: 63, negative conditional: 23, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3875, positive: 3812, positive conditional: 183, positive unconditional: 3629, negative: 63, negative conditional: 10, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3875, positive: 3812, positive conditional: 183, positive unconditional: 3629, negative: 63, negative conditional: 10, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1572, positive: 1550, positive conditional: 2, positive unconditional: 1548, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1572, positive: 1490, positive conditional: 0, positive unconditional: 1490, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, positive: 60, positive conditional: 2, positive unconditional: 58, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 953, positive: 110, positive conditional: 3, positive unconditional: 107, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 819, unknown conditional: 0, unknown unconditional: 819] ], Cache Queries: [ total: 3875, positive: 2262, positive conditional: 181, positive unconditional: 2081, negative: 41, negative conditional: 7, negative unconditional: 34, unknown: 1572, unknown conditional: 5, unknown unconditional: 1567] , Statistics on independence cache: Total cache size (in pairs): 1572, Positive cache size: 1550, Positive conditional cache size: 2, Positive unconditional cache size: 1548, Negative cache size: 22, Negative conditional cache size: 3, Negative unconditional cache size: 19, Eliminated conditions: 474, Maximal queried relation: 2, Independence queries for same thread: 75 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 345, Number of trivial persistent sets: 329, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 955, positive: 941, positive conditional: 0, positive unconditional: 941, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1598, positive: 1501, positive conditional: 560, positive unconditional: 941, negative: 97, negative conditional: 83, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3852, positive: 3812, positive conditional: 740, positive unconditional: 3072, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3852, positive: 3812, positive conditional: 740, positive unconditional: 3072, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3875, positive: 3812, positive conditional: 644, positive unconditional: 3168, negative: 63, negative conditional: 23, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3875, positive: 3812, positive conditional: 183, positive unconditional: 3629, negative: 63, negative conditional: 10, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3875, positive: 3812, positive conditional: 183, positive unconditional: 3629, negative: 63, negative conditional: 10, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1572, positive: 1550, positive conditional: 2, positive unconditional: 1548, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1572, positive: 1490, positive conditional: 0, positive unconditional: 1490, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, positive: 60, positive conditional: 2, positive unconditional: 58, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 953, positive: 110, positive conditional: 3, positive unconditional: 107, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 819, unknown conditional: 0, unknown unconditional: 819] ], Cache Queries: [ total: 3875, positive: 2262, positive conditional: 181, positive unconditional: 2081, negative: 41, negative conditional: 7, negative unconditional: 34, unknown: 1572, unknown conditional: 5, unknown unconditional: 1567] , Statistics on independence cache: Total cache size (in pairs): 1572, Positive cache size: 1550, Positive conditional cache size: 2, Positive unconditional cache size: 1548, Negative cache size: 22, Negative conditional cache size: 3, Negative unconditional cache size: 19, Eliminated conditions: 474, Maximal queried relation: 2, Independence queries for same thread: 75 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 966]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 721 SizeOfPredicates, 4 NumberOfNonLiveVariables, 250 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 07:45:11,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 07:45:11,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...