/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 20:16:27,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 20:16:27,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 20:16:27,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 20:16:27,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 20:16:27,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 20:16:27,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 20:16:27,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 20:16:27,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 20:16:27,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 20:16:27,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 20:16:27,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 20:16:27,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 20:16:27,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 20:16:27,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 20:16:27,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 20:16:27,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 20:16:27,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 20:16:27,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 20:16:27,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 20:16:27,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 20:16:27,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 20:16:27,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 20:16:27,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 20:16:27,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 20:16:27,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 20:16:27,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 20:16:27,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 20:16:27,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 20:16:27,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 20:16:27,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 20:16:27,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 20:16:27,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 20:16:27,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 20:16:27,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 20:16:27,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 20:16:27,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 20:16:27,568 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 20:16:27,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 20:16:27,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 20:16:27,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 20:16:27,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 20:16:27,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 20:16:27,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 20:16:27,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 20:16:27,571 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 20:16:27,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 20:16:27,571 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 20:16:27,572 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 20:16:27,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 20:16:27,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 20:16:27,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 20:16:27,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 20:16:27,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 20:16:27,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:16:27,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 20:16:27,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 20:16:27,574 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 20:16:27,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 20:16:27,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 20:16:27,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 20:16:27,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 20:16:27,763 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 20:16:27,763 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 20:16:27,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2023-03-23 20:16:28,828 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 20:16:28,962 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 20:16:28,963 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2023-03-23 20:16:28,968 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e997285/f44a9b6827174b90864c8125d1570704/FLAG26d116441 [2023-03-23 20:16:28,979 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e997285/f44a9b6827174b90864c8125d1570704 [2023-03-23 20:16:28,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 20:16:28,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 20:16:28,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 20:16:28,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 20:16:28,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 20:16:28,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:16:28" (1/1) ... [2023-03-23 20:16:28,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2fb51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:28, skipping insertion in model container [2023-03-23 20:16:28,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:16:28" (1/1) ... [2023-03-23 20:16:28,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 20:16:29,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 20:16:29,203 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-min-array.wvr.c[2553,2566] [2023-03-23 20:16:29,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:16:29,226 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 20:16:29,261 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-min-array.wvr.c[2553,2566] [2023-03-23 20:16:29,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:16:29,270 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:16:29,270 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:16:29,275 INFO L208 MainTranslator]: Completed translation [2023-03-23 20:16:29,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29 WrapperNode [2023-03-23 20:16:29,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 20:16:29,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 20:16:29,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 20:16:29,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 20:16:29,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,320 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 104 [2023-03-23 20:16:29,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 20:16:29,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 20:16:29,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 20:16:29,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 20:16:29,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 20:16:29,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 20:16:29,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 20:16:29,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 20:16:29,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (1/1) ... [2023-03-23 20:16:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:16:29,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:16:29,386 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 20:16:29,388 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 20:16:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 20:16:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 20:16:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 20:16:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 20:16:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 20:16:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 20:16:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 20:16:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 20:16:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 20:16:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 20:16:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 20:16:29,420 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 20:16:29,520 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 20:16:29,522 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 20:16:29,788 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 20:16:29,844 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 20:16:29,844 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-23 20:16:29,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:16:29 BoogieIcfgContainer [2023-03-23 20:16:29,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 20:16:29,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 20:16:29,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 20:16:29,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 20:16:29,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 08:16:28" (1/3) ... [2023-03-23 20:16:29,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4e0284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:16:29, skipping insertion in model container [2023-03-23 20:16:29,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:16:29" (2/3) ... [2023-03-23 20:16:29,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4e0284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:16:29, skipping insertion in model container [2023-03-23 20:16:29,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:16:29" (3/3) ... [2023-03-23 20:16:29,852 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2023-03-23 20:16:29,859 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 20:16:29,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 20:16:29,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 20:16:29,867 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 20:16:29,919 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-03-23 20:16:29,955 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:16:29,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 20:16:29,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:16:29,961 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 20:16:29,965 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 20:16:30,014 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 20:16:30,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 20:16:30,031 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;@2e8caa56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:16:30,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-03-23 20:16:30,250 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 1 more)] === [2023-03-23 20:16:30,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:16:30,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1368029928, now seen corresponding path program 1 times [2023-03-23 20:16:30,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:16:30,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457742437] [2023-03-23 20:16:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:30,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:16:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 20:16:30,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:16:30,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457742437] [2023-03-23 20:16:30,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457742437] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:16:30,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:16:30,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 20:16:30,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380226288] [2023-03-23 20:16:30,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:16:30,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 20:16:30,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:16:30,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 20:16:30,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 20:16:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:30,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:16:30,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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 20:16:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:30,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 20:16:30,636 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 1 more)] === [2023-03-23 20:16:30,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:16:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2049300411, now seen corresponding path program 1 times [2023-03-23 20:16:30,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:16:30,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484098025] [2023-03-23 20:16:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:16:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:16:31,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:16:31,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484098025] [2023-03-23 20:16:31,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484098025] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:16:31,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:16:31,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-23 20:16:31,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728830694] [2023-03-23 20:16:31,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:16:31,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-23 20:16:31,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:16:31,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-23 20:16:31,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-23 20:16:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:31,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:16:31,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 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 20:16:31,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:31,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:31,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 20:16:31,280 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 1 more)] === [2023-03-23 20:16:31,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:16:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1365876298, now seen corresponding path program 1 times [2023-03-23 20:16:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:16:31,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652717042] [2023-03-23 20:16:31,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:16:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 20:16:31,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:16:31,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652717042] [2023-03-23 20:16:31,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652717042] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:16:31,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667526253] [2023-03-23 20:16:31,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:31,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:16:31,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:16:31,599 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 20:16:31,601 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 20:16:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:31,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-23 20:16:31,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:16:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 20:16:31,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:16:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 20:16:32,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667526253] provided 1 perfect and 1 imperfect interpolant sequences [2023-03-23 20:16:32,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-03-23 20:16:32,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-03-23 20:16:32,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608930930] [2023-03-23 20:16:32,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:16:32,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 20:16:32,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:16:32,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 20:16:32,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-03-23 20:16:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:32,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:16:32,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 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 20:16:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:32,141 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 20:16:32,338 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,SelfDestructingSolverStorable2 [2023-03-23 20:16:32,338 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 1 more)] === [2023-03-23 20:16:32,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:16:32,339 INFO L85 PathProgramCache]: Analyzing trace with hash -972860935, now seen corresponding path program 1 times [2023-03-23 20:16:32,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:16:32,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346912159] [2023-03-23 20:16:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:16:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 20:16:32,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:16:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346912159] [2023-03-23 20:16:32,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346912159] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:16:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499642661] [2023-03-23 20:16:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:32,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:16:32,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:16:32,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 20:16:32,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 20:16:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:32,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjunts are in the unsatisfiable core [2023-03-23 20:16:32,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:16:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 20:16:32,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:16:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 20:16:33,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499642661] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 20:16:33,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 20:16:33,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2023-03-23 20:16:33,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885826461] [2023-03-23 20:16:33,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 20:16:33,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-03-23 20:16:33,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:16:33,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-03-23 20:16:33,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2023-03-23 20:16:33,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:33,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:16:33,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.52) internal successors, (163), 25 states have internal predecessors, (163), 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 20:16:33,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:33,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:33,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:33,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 20:16:33,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 20:16:33,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:16:33,683 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:16:33,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:16:33,684 INFO L85 PathProgramCache]: Analyzing trace with hash -931861558, now seen corresponding path program 2 times [2023-03-23 20:16:33,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:16:33,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824821227] [2023-03-23 20:16:33,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:16:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 20:16:33,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:16:33,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824821227] [2023-03-23 20:16:33,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824821227] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:16:33,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004960227] [2023-03-23 20:16:33,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 20:16:33,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:16:33,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:16:33,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 20:16:33,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 20:16:34,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 20:16:34,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 20:16:34,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-23 20:16:34,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:16:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 20:16:34,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:16:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 20:16:34,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004960227] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 20:16:34,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 20:16:34,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2023-03-23 20:16:34,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420303673] [2023-03-23 20:16:34,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 20:16:34,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-03-23 20:16:34,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:16:34,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-03-23 20:16:34,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2023-03-23 20:16:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:34,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:16:34,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.523809523809524) internal successors, (200), 21 states have internal predecessors, (200), 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 20:16:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 20:16:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:16:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:16:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 20:16:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 20:16:34,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 20:16:34,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:16:34,863 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:16:34,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:16:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1030517881, now seen corresponding path program 3 times [2023-03-23 20:16:34,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:16:34,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093090301] [2023-03-23 20:16:34,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:16:34,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:16:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:16:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:16:38,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:16:38,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093090301] [2023-03-23 20:16:38,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093090301] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:16:38,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216288153] [2023-03-23 20:16:38,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 20:16:38,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:16:38,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:16:38,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 20:16:38,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 20:16:38,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-03-23 20:16:38,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 20:16:38,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 46 conjunts are in the unsatisfiable core [2023-03-23 20:16:38,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:16:41,117 INFO L321 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-03-23 20:16:41,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 155 treesize of output 117 [2023-03-23 20:16:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:16:41,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:16:44,246 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 20:16:44,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 369 treesize of output 441 [2023-03-23 20:17:08,895 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:17:25,655 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:20:05,911 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:20:16,370 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:20:26,538 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 20:20:55,052 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 20:21:24,035 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 20:21:53,676 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 20:22:23,244 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:22:34,897 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:22:51,618 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:23:13,415 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:23:31,879 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:23:44,109 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:24:54,095 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 20:25:13,194 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. Received shutdown request... [2023-03-23 20:25:49,363 WARN L238 SmtUtils]: Removed 2 from assertion stack [2023-03-23 20:25:49,365 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-03-23 20:25:49,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 20:25:49,387 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 20:25:49,398 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 20:25:49,398 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 20:25:49,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:25:49,567 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 133 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 19ms.. [2023-03-23 20:25:49,569 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-03-23 20:25:49,569 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-03-23 20:25:49,569 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-03-23 20:25:49,572 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-03-23 20:25:49,575 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 20:25:49,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 20:25:49,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 08:25:49 BasicIcfg [2023-03-23 20:25:49,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 20:25:49,577 INFO L158 Benchmark]: Toolchain (without parser) took 560595.00ms. Allocated memory was 281.0MB in the beginning and 707.8MB in the end (delta: 426.8MB). Free memory was 227.0MB in the beginning and 626.5MB in the end (delta: -399.6MB). Peak memory consumption was 423.2MB. Max. memory is 8.0GB. [2023-03-23 20:25:49,578 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory was 124.1MB in the beginning and 124.0MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 20:25:49,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.58ms. Allocated memory is still 281.0MB. Free memory was 227.0MB in the beginning and 214.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 20:25:49,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.54ms. Allocated memory is still 281.0MB. Free memory was 214.9MB in the beginning and 213.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 20:25:49,578 INFO L158 Benchmark]: Boogie Preprocessor took 27.18ms. Allocated memory is still 281.0MB. Free memory was 213.3MB in the beginning and 211.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 20:25:49,579 INFO L158 Benchmark]: RCFGBuilder took 497.59ms. Allocated memory is still 281.0MB. Free memory was 211.2MB in the beginning and 190.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-03-23 20:25:49,583 INFO L158 Benchmark]: TraceAbstraction took 559729.35ms. Allocated memory was 281.0MB in the beginning and 707.8MB in the end (delta: 426.8MB). Free memory was 189.7MB in the beginning and 626.5MB in the end (delta: -436.8MB). Peak memory consumption was 386.5MB. Max. memory is 8.0GB. [2023-03-23 20:25:49,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory was 124.1MB in the beginning and 124.0MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 292.58ms. Allocated memory is still 281.0MB. Free memory was 227.0MB in the beginning and 214.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.54ms. Allocated memory is still 281.0MB. Free memory was 214.9MB in the beginning and 213.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.18ms. Allocated memory is still 281.0MB. Free memory was 213.3MB in the beginning and 211.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 497.59ms. Allocated memory is still 281.0MB. Free memory was 211.2MB in the beginning and 190.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 559729.35ms. Allocated memory was 281.0MB in the beginning and 707.8MB in the end (delta: 426.8MB). Free memory was 189.7MB in the beginning and 626.5MB in the end (delta: -436.8MB). Peak memory consumption was 386.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2372, independent: 2189, independent conditional: 661, independent unconditional: 1528, dependent: 183, dependent conditional: 168, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2210, independent: 2189, independent conditional: 661, independent unconditional: 1528, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2210, independent: 2189, independent conditional: 661, independent unconditional: 1528, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2221, independent: 2189, independent conditional: 0, independent unconditional: 2189, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2221, independent: 2189, independent conditional: 0, independent unconditional: 2189, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2221, independent: 2189, independent conditional: 0, independent unconditional: 2189, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1484, independent: 1469, independent conditional: 0, independent unconditional: 1469, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1484, independent: 1467, independent conditional: 0, independent unconditional: 1467, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2221, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 1484, unknown conditional: 0, unknown unconditional: 1484] , Statistics on independence cache: Total cache size (in pairs): 1484, Positive cache size: 1469, Positive conditional cache size: 0, Positive unconditional cache size: 1469, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 4, Independence queries for same thread: 162 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 125, Number of trivial persistent sets: 104, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1543, independent: 1528, independent conditional: 0, independent unconditional: 1528, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2372, independent: 2189, independent conditional: 661, independent unconditional: 1528, dependent: 183, dependent conditional: 168, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2210, independent: 2189, independent conditional: 661, independent unconditional: 1528, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2210, independent: 2189, independent conditional: 661, independent unconditional: 1528, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2221, independent: 2189, independent conditional: 0, independent unconditional: 2189, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2221, independent: 2189, independent conditional: 0, independent unconditional: 2189, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2221, independent: 2189, independent conditional: 0, independent unconditional: 2189, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1484, independent: 1469, independent conditional: 0, independent unconditional: 1469, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1484, independent: 1467, independent conditional: 0, independent unconditional: 1467, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2221, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 1484, unknown conditional: 0, unknown unconditional: 1484] , Statistics on independence cache: Total cache size (in pairs): 1484, Positive cache size: 1469, Positive conditional cache size: 0, Positive unconditional cache size: 1469, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 4, Independence queries for same thread: 162 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 133 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 19ms.. - TimeoutResultAtElement [Line: 93]: 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 133 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 19ms.. - TimeoutResultAtElement [Line: 94]: 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 133 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 19ms.. - TimeoutResultAtElement [Line: 92]: 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 133 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 19ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 163 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 559.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.2s, 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: 46, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1285 ConstructedInterpolants, 0 QuantifiedInterpolants, 2731 SizeOfPredicates, 24 NumberOfNonLiveVariables, 856 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 46/64 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