/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:44:57,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:44:57,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:44:57,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:44:57,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:44:57,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:44:57,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:44:57,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:44:57,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:44:57,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:44:57,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:44:57,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:44:57,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:44:57,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:44:57,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:44:57,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:44:57,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:44:57,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:44:57,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:44:57,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:44:57,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:44:57,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:44:57,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:44:57,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:44:57,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:44:57,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:44:57,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:44:57,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:44:57,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:44:57,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:44:57,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:44:57,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:44:57,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:44:57,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:44:57,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:44:57,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:44:57,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:44:57,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:44:57,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:44:57,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:44:57,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:44:57,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:44:57,614 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:44:57,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:44:57,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:44:57,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:44:57,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:44:57,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:44:57,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:44:57,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:44:57,616 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:44:57,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:44:57,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:44:57,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:44:57,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:44:57,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:44:57,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:44:57,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:44:57,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:44:57,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:44:57,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:44:57,619 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:44:57,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:44:57,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:44:57,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:44:57,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:44:57,838 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:44:57,839 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:44:57,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2023-03-23 21:44:58,858 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:44:59,017 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:44:59,018 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2023-03-23 21:44:59,025 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3290aefa/a78911f7dad14adfbe709fc1ae1b0884/FLAG741edd838 [2023-03-23 21:44:59,036 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3290aefa/a78911f7dad14adfbe709fc1ae1b0884 [2023-03-23 21:44:59,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:44:59,039 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:44:59,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:44:59,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:44:59,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:44:59,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bc893f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59, skipping insertion in model container [2023-03-23 21:44:59,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:44:59,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:44:59,195 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2023-03-23 21:44:59,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:44:59,209 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:44:59,226 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2023-03-23 21:44:59,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:44:59,234 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:44:59,234 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:44:59,239 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:44:59,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59 WrapperNode [2023-03-23 21:44:59,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:44:59,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:44:59,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:44:59,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:44:59,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,270 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 311 [2023-03-23 21:44:59,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:44:59,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:44:59,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:44:59,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:44:59,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,289 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:44:59,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:44:59,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:44:59,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:44:59,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (1/1) ... [2023-03-23 21:44:59,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:44:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:44:59,313 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) [2023-03-23 21:44:59,323 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 [2023-03-23 21:44:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:44:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:44:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 21:44:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 21:44:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-03-23 21:44:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-03-23 21:44:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:44:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 21:44:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 21:44:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 21:44:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:44:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:44:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:44:59,346 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 21:44:59,475 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:44:59,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:44:59,780 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:44:59,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:44:59,935 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-23 21:44:59,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:44:59 BoogieIcfgContainer [2023-03-23 21:44:59,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:44:59,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:44:59,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:44:59,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:44:59,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:44:59" (1/3) ... [2023-03-23 21:44:59,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e10f026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:44:59, skipping insertion in model container [2023-03-23 21:44:59,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:44:59" (2/3) ... [2023-03-23 21:44:59,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e10f026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:44:59, skipping insertion in model container [2023-03-23 21:44:59,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:44:59" (3/3) ... [2023-03-23 21:44:59,943 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2023-03-23 21:44:59,948 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:44:59,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:44:59,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:44:59,955 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:45:00,026 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-03-23 21:45:00,064 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:45:00,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:45:00,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:45:00,083 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) [2023-03-23 21:45:00,085 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 [2023-03-23 21:45:00,113 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:45:00,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:45:00,126 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60c34c39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:45:00,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-03-23 21:45:01,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:45:01,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:45:01,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2082376734, now seen corresponding path program 1 times [2023-03-23 21:45:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:45:01,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764765231] [2023-03-23 21:45:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:45:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:45:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:45:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-23 21:45:01,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:45:01,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764765231] [2023-03-23 21:45:01,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764765231] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:45:01,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:45:01,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:45:01,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719968816] [2023-03-23 21:45:01,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:45:01,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:45:01,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:45:01,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:45:01,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:45:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:01,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:45:01,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 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) [2023-03-23 21:45:01,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:02,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:45:02,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:45:02,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:45:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1687184595, now seen corresponding path program 1 times [2023-03-23 21:45:02,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:45:02,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792166430] [2023-03-23 21:45:02,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:45:02,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:45:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:45:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:45:02,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:45:02,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792166430] [2023-03-23 21:45:02,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792166430] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:45:02,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:45:02,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 21:45:02,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888165875] [2023-03-23 21:45:02,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:45:02,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:45:02,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:45:02,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:45:02,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:45:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:02,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:45:02,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 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) [2023-03-23 21:45:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:45:03,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:45:03,181 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:45:03,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:45:03,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2082163147, now seen corresponding path program 1 times [2023-03-23 21:45:03,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:45:03,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267333394] [2023-03-23 21:45:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:45:03,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:45:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:45:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-23 21:45:03,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:45:03,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267333394] [2023-03-23 21:45:03,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267333394] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:45:03,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:45:03,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 21:45:03,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310651811] [2023-03-23 21:45:03,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:45:03,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:45:03,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:45:03,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:45:03,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:45:03,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:03,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:45:03,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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) [2023-03-23 21:45:03,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:03,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:45:03,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:03,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:45:03,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:45:03,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:45:03,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 21:45:03,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:45:03,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:45:03,945 INFO L85 PathProgramCache]: Analyzing trace with hash -813518514, now seen corresponding path program 1 times [2023-03-23 21:45:03,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:45:03,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084916389] [2023-03-23 21:45:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:45:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:45:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:45:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:45:07,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:45:07,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084916389] [2023-03-23 21:45:07,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084916389] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:45:07,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158549946] [2023-03-23 21:45:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:45:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:45:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:45:07,087 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) [2023-03-23 21:45:07,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 21:45:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:45:07,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 104 conjunts are in the unsatisfiable core [2023-03-23 21:45:07,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:45:08,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:45:08,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-03-23 21:45:09,197 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-03-23 21:45:09,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-03-23 21:45:09,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:45:10,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:45:10,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:45:10,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:45:10,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:45:11,644 INFO L321 Elim1Store]: treesize reduction 23, result has 48.9 percent of original size [2023-03-23 21:45:11,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 32 [2023-03-23 21:45:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:45:11,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:45:22,637 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:45:22,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 113 [2023-03-23 21:45:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:45:22,798 INFO L321 Elim1Store]: treesize reduction 34, result has 58.0 percent of original size [2023-03-23 21:45:22,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 6848492 treesize of output 6733850 [2023-03-23 21:45:38,518 WARN L222 SmtUtils]: Spent 15.71s on a formula simplification. DAG size of input: 1593 DAG size of output: 792 (called from [L 809] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-03-23 21:45:39,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:45:39,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:45:39,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 52588 treesize of output 47504 [2023-03-23 21:45:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:45:39,855 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:45:39,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 47468 treesize of output 46224 [2023-03-23 21:45:40,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:45:40,500 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:45:40,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 46188 treesize of output 43664 [2023-03-23 21:45:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:45:41,151 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:45:41,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 43628 treesize of output 43024 [2023-03-23 21:45:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:45:41,811 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:45:41,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 42988 treesize of output 32784 Received shutdown request... [2023-03-23 21:54:19,712 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-03-23 21:54:19,743 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:54:19,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-23 21:54:19,755 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:54:19,755 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:54:19,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-03-23 21:54:19,918 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-28-3-2-2-2-4-2-3-2-2-2-1 context. [2023-03-23 21:54:19,919 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-03-23 21:54:19,919 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-03-23 21:54:19,920 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-03-23 21:54:19,920 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-03-23 21:54:19,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-03-23 21:54:19,925 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:54:19,925 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:54:19,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:54:19 BasicIcfg [2023-03-23 21:54:19,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:54:19,927 INFO L158 Benchmark]: Toolchain (without parser) took 560888.22ms. Allocated memory was 453.0MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 403.2MB in the beginning and 863.6MB in the end (delta: -460.3MB). Peak memory consumption was 930.8MB. Max. memory is 8.0GB. [2023-03-23 21:54:19,927 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 226.5MB. Free memory is still 175.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:54:19,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.55ms. Allocated memory is still 453.0MB. Free memory was 402.9MB in the beginning and 390.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-23 21:54:19,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.30ms. Allocated memory is still 453.0MB. Free memory was 390.3MB in the beginning and 387.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:54:19,928 INFO L158 Benchmark]: Boogie Preprocessor took 21.72ms. Allocated memory is still 453.0MB. Free memory was 387.6MB in the beginning and 385.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:54:19,928 INFO L158 Benchmark]: RCFGBuilder took 643.95ms. Allocated memory is still 453.0MB. Free memory was 385.5MB in the beginning and 401.4MB in the end (delta: -16.0MB). Peak memory consumption was 37.4MB. Max. memory is 8.0GB. [2023-03-23 21:54:19,929 INFO L158 Benchmark]: TraceAbstraction took 559987.82ms. Allocated memory was 453.0MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 400.9MB in the beginning and 863.6MB in the end (delta: -462.6MB). Peak memory consumption was 926.9MB. Max. memory is 8.0GB. [2023-03-23 21:54:19,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 226.5MB. Free memory is still 175.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 198.55ms. Allocated memory is still 453.0MB. Free memory was 402.9MB in the beginning and 390.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.30ms. Allocated memory is still 453.0MB. Free memory was 390.3MB in the beginning and 387.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.72ms. Allocated memory is still 453.0MB. Free memory was 387.6MB in the beginning and 385.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 643.95ms. Allocated memory is still 453.0MB. Free memory was 385.5MB in the beginning and 401.4MB in the end (delta: -16.0MB). Peak memory consumption was 37.4MB. Max. memory is 8.0GB. * TraceAbstraction took 559987.82ms. Allocated memory was 453.0MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 400.9MB in the beginning and 863.6MB in the end (delta: -462.6MB). Peak memory consumption was 926.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1131552, independent: 1032371, independent conditional: 25713, independent unconditional: 1006658, dependent: 99181, dependent conditional: 3957, dependent unconditional: 95224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1050151, independent: 1032371, independent conditional: 25713, independent unconditional: 1006658, dependent: 17780, dependent conditional: 237, dependent unconditional: 17543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1050151, independent: 1032371, independent conditional: 25713, independent unconditional: 1006658, dependent: 17780, dependent conditional: 237, dependent unconditional: 17543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1050319, independent: 1032371, independent conditional: 0, independent unconditional: 1032371, dependent: 17948, dependent conditional: 168, dependent unconditional: 17780, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1050319, independent: 1032371, independent conditional: 0, independent unconditional: 1032371, dependent: 17948, dependent conditional: 50, dependent unconditional: 17898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1050319, independent: 1032371, independent conditional: 0, independent unconditional: 1032371, dependent: 17948, dependent conditional: 50, dependent unconditional: 17898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6799, independent: 6666, independent conditional: 0, independent unconditional: 6666, dependent: 133, dependent conditional: 3, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6799, independent: 6640, independent conditional: 0, independent unconditional: 6640, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 159, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 133, dependent conditional: 3, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 159, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 133, dependent conditional: 3, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 357, dependent conditional: 13, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1050319, independent: 1025705, independent conditional: 0, independent unconditional: 1025705, dependent: 17815, dependent conditional: 47, dependent unconditional: 17768, unknown: 6799, unknown conditional: 3, unknown unconditional: 6796] , Statistics on independence cache: Total cache size (in pairs): 6799, Positive cache size: 6666, Positive conditional cache size: 0, Positive unconditional cache size: 6666, Negative cache size: 133, Negative conditional cache size: 3, Negative unconditional cache size: 130, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 118, Maximal queried relation: 1, Independence queries for same thread: 81401 - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-28-3-2-2-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-28-3-2-2-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-28-3-2-2-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-28-3-2-2-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-28-3-2-2-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 235 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 559.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 13/13 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown