/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/bench-exp1x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 19:29:51,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 19:29:51,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 19:29:51,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 19:29:51,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 19:29:51,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 19:29:51,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 19:29:51,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 19:29:51,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 19:29:51,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 19:29:51,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 19:29:51,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 19:29:51,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 19:29:51,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 19:29:51,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 19:29:51,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 19:29:51,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 19:29:51,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 19:29:51,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 19:29:51,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 19:29:51,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 19:29:51,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 19:29:51,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 19:29:51,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 19:29:51,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 19:29:51,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 19:29:51,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 19:29:51,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 19:29:51,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 19:29:51,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 19:29:51,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 19:29:51,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 19:29:51,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 19:29:51,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 19:29:51,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 19:29:51,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 19:29:51,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 19:29:51,090 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 19:29:51,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 19:29:51,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 19:29:51,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 19:29:51,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 19:29:51,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 19:29:51,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 19:29:51,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 19:29:51,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 19:29:51,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:29:51,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 19:29:51,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 19:29:51,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 19:29:51,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 19:29:51,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 19:29:51,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 19:29:51,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 19:29:51,316 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 19:29:51,316 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 19:29:51,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2023-03-23 19:29:52,361 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 19:29:52,505 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 19:29:52,505 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2023-03-23 19:29:52,511 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0618b57ce/9dbcbdbf5cb945e388a4019edac7337d/FLAGa0c479631 [2023-03-23 19:29:52,528 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0618b57ce/9dbcbdbf5cb945e388a4019edac7337d [2023-03-23 19:29:52,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 19:29:52,531 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 19:29:52,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 19:29:52,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 19:29:52,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 19:29:52,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647f3bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52, skipping insertion in model container [2023-03-23 19:29:52,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 19:29:52,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 19:29:52,677 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/bench-exp1x3.wvr.c[1849,1862] [2023-03-23 19:29:52,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:29:52,685 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 19:29:52,695 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/bench-exp1x3.wvr.c[1849,1862] [2023-03-23 19:29:52,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:29:52,703 INFO L208 MainTranslator]: Completed translation [2023-03-23 19:29:52,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52 WrapperNode [2023-03-23 19:29:52,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 19:29:52,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 19:29:52,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 19:29:52,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 19:29:52,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,723 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-03-23 19:29:52,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 19:29:52,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 19:29:52,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 19:29:52,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 19:29:52,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 19:29:52,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 19:29:52,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 19:29:52,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 19:29:52,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (1/1) ... [2023-03-23 19:29:52,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:29:52,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:29:52,757 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 19:29:52,760 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 19:29:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 19:29:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 19:29:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 19:29:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 19:29:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 19:29:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 19:29:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 19:29:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 19:29:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 19:29:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 19:29:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 19:29:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 19:29:52,817 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 19:29:52,886 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 19:29:52,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 19:29:53,090 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 19:29:53,095 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 19:29:53,095 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-23 19:29:53,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:29:53 BoogieIcfgContainer [2023-03-23 19:29:53,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 19:29:53,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 19:29:53,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 19:29:53,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 19:29:53,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 07:29:52" (1/3) ... [2023-03-23 19:29:53,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dfbe44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:29:53, skipping insertion in model container [2023-03-23 19:29:53,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:29:52" (2/3) ... [2023-03-23 19:29:53,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dfbe44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:29:53, skipping insertion in model container [2023-03-23 19:29:53,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:29:53" (3/3) ... [2023-03-23 19:29:53,104 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2023-03-23 19:29:53,109 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 19:29:53,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 19:29:53,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 19:29:53,116 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 19:29:53,179 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 19:29:53,222 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:29:53,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 19:29:53,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:29:53,251 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 19:29:53,252 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 19:29:53,290 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 19:29:53,301 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 19:29:53,307 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;@6cf2275a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:29:53,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 19:29:53,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:29:53,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:29:53,414 INFO L85 PathProgramCache]: Analyzing trace with hash -558263297, now seen corresponding path program 1 times [2023-03-23 19:29:53,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:29:53,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082813875] [2023-03-23 19:29:53,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:29:53,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:29:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:29:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:29:53,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:29:53,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082813875] [2023-03-23 19:29:53,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082813875] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:29:53,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:29:53,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 19:29:53,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343811731] [2023-03-23 19:29:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:29:53,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 19:29:53,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:29:53,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 19:29:53,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 19:29:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:53,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:29:53,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 19:29:53,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:53,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 19:29:53,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:29:53,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:29:53,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1607375677, now seen corresponding path program 1 times [2023-03-23 19:29:53,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:29:53,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596437826] [2023-03-23 19:29:53,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:29:53,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:29:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:29:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:29:53,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:29:53,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596437826] [2023-03-23 19:29:53,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596437826] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:29:53,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:29:53,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-23 19:29:53,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540367783] [2023-03-23 19:29:53,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:29:53,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 19:29:53,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:29:53,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 19:29:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-23 19:29:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:53,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:29:53,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 19:29:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:29:54,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 19:29:54,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:29:54,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:29:54,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1661812960, now seen corresponding path program 1 times [2023-03-23 19:29:54,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:29:54,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141337078] [2023-03-23 19:29:54,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:29:54,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:29:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:29:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:29:54,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:29:54,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141337078] [2023-03-23 19:29:54,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141337078] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:29:54,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449996238] [2023-03-23 19:29:54,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:29:54,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:29:54,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:29:54,502 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 19:29:54,504 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 19:29:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:29:54,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-23 19:29:54,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:29:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:29:54,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:29:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:29:54,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449996238] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:29:54,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:29:54,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2023-03-23 19:29:54,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415803394] [2023-03-23 19:29:54,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:29:54,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-23 19:29:54,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:29:54,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-23 19:29:54,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-03-23 19:29:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:54,978 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:29:54,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 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 19:29:54,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:54,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:29:54,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:29:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:29:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 19:29:55,162 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 19:29:55,360 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 19:29:55,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:29:55,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:29:55,362 INFO L85 PathProgramCache]: Analyzing trace with hash -827807491, now seen corresponding path program 1 times [2023-03-23 19:29:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:29:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163409540] [2023-03-23 19:29:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:29:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:29:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:29:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:29:55,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:29:55,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163409540] [2023-03-23 19:29:55,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163409540] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:29:55,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075777821] [2023-03-23 19:29:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:29:55,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:29:55,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:29:55,971 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 19:29:55,999 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 19:29:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:29:56,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2023-03-23 19:29:56,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:30:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:30:16,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:30:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:30:21,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075777821] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:30:21,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:30:21,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2023-03-23 19:30:21,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660910240] [2023-03-23 19:30:21,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:30:21,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-03-23 19:30:21,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:30:21,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-03-23 19:30:21,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=505, Unknown=6, NotChecked=0, Total=650 [2023-03-23 19:30:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:30:21,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:30:21,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 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 19:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 19:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:30:24,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 19:30:28,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-23 19:30:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:30:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:30:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 19:30:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 19:30:30,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-23 19:30:30,369 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 19:30:30,370 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:30:30,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:30:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1287974263, now seen corresponding path program 2 times [2023-03-23 19:30:30,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:30:30,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206464355] [2023-03-23 19:30:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:30:30,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:30:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:30:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 19:30:30,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:30:30,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206464355] [2023-03-23 19:30:30,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206464355] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:30:30,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896397431] [2023-03-23 19:30:30,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:30:30,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:30:30,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:30:30,585 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 19:30:30,613 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 19:32:08,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:32:08,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:32:08,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjunts are in the unsatisfiable core [2023-03-23 19:32:08,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:34:43,520 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse7 (* (- 1) c_~x1~0))) (let ((.cse8 (div .cse7 4)) (.cse5 (div .cse7 2)) (.cse6 (mod (div c_~x2~0 2) 4294967296))) (let ((.cse2 (+ .cse6 1)) (.cse4 (+ (mod (* 4294967295 .cse5) 4294967296) 1)) (.cse1 (mod c_~x2~0 4294967296)) (.cse0 (+ (mod (* 4294967295 .cse8) 4294967296) 1)) (.cse3 (mod c_~x1~0 4294967296))) (and (= (mod c_~x2~0 2) 0) (<= .cse0 .cse1) (<= .cse2 .cse3) (<= .cse4 .cse3) (= (mod .cse5 2) 0) (= .cse6 (mod (* 4294967295 (div .cse7 8)) 4294967296)) (<= .cse2 .cse1) (= (mod c_~x1~0 2) 0) (<= .cse4 .cse1) (= (mod .cse8 2) 0) (<= .cse0 .cse3))))) is different from false [2023-03-23 19:37:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:37:38,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-03-23 19:39:39,432 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 19:39:39,432 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 19:39:39,432 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:39:39,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 19:39:39,463 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 19:39:39,655 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 19:39:39,655 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 66 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 31 known predicates. [2023-03-23 19:39:39,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 19:39:39,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 19:39:39,659 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-03-23 19:39:39,671 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 19:39:39,672 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 19:39:39,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 07:39:39 BasicIcfg [2023-03-23 19:39:39,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 19:39:39,674 INFO L158 Benchmark]: Toolchain (without parser) took 587142.68ms. Allocated memory was 243.3MB in the beginning and 292.6MB in the end (delta: 49.3MB). Free memory was 203.2MB in the beginning and 94.2MB in the end (delta: 109.0MB). Peak memory consumption was 159.1MB. Max. memory is 8.0GB. [2023-03-23 19:39:39,674 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 19:39:39,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.10ms. Allocated memory is still 243.3MB. Free memory was 203.0MB in the beginning and 192.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-23 19:39:39,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.49ms. Allocated memory is still 243.3MB. Free memory was 192.5MB in the beginning and 190.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 19:39:39,675 INFO L158 Benchmark]: Boogie Preprocessor took 12.66ms. Allocated memory is still 243.3MB. Free memory was 190.9MB in the beginning and 189.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 19:39:39,675 INFO L158 Benchmark]: RCFGBuilder took 360.16ms. Allocated memory is still 243.3MB. Free memory was 189.3MB in the beginning and 177.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-23 19:39:39,675 INFO L158 Benchmark]: TraceAbstraction took 586575.65ms. Allocated memory was 243.3MB in the beginning and 292.6MB in the end (delta: 49.3MB). Free memory was 176.2MB in the beginning and 94.2MB in the end (delta: 82.1MB). Peak memory consumption was 131.9MB. Max. memory is 8.0GB. [2023-03-23 19:39:39,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 166.10ms. Allocated memory is still 243.3MB. Free memory was 203.0MB in the beginning and 192.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.49ms. Allocated memory is still 243.3MB. Free memory was 192.5MB in the beginning and 190.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.66ms. Allocated memory is still 243.3MB. Free memory was 190.9MB in the beginning and 189.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 360.16ms. Allocated memory is still 243.3MB. Free memory was 189.3MB in the beginning and 177.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 586575.65ms. Allocated memory was 243.3MB in the beginning and 292.6MB in the end (delta: 49.3MB). Free memory was 176.2MB in the beginning and 94.2MB in the end (delta: 82.1MB). Peak memory consumption was 131.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1289, independent: 909, independent conditional: 510, independent unconditional: 399, dependent: 380, dependent conditional: 376, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 510, independent unconditional: 399, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 510, independent unconditional: 399, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 913, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 913, independent: 514, independent conditional: 0, independent unconditional: 514, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 399, unknown conditional: 0, unknown unconditional: 399] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 395, Positive conditional cache size: 0, Positive unconditional cache size: 395, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 376 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 61, Number of trivial persistent sets: 56, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403, independent: 399, independent conditional: 0, independent unconditional: 399, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1289, independent: 909, independent conditional: 510, independent unconditional: 399, dependent: 380, dependent conditional: 376, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 510, independent unconditional: 399, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 510, independent unconditional: 399, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 913, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 913, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 913, independent: 514, independent conditional: 0, independent unconditional: 514, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 399, unknown conditional: 0, unknown unconditional: 399] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 395, Positive conditional cache size: 0, Positive unconditional cache size: 395, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 376 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 66 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 31 known predicates. - TimeoutResultAtElement [Line: 65]: 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 66 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 31 known predicates. - TimeoutResultAtElement [Line: 64]: 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 66 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 31 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 586.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 8.7s, 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: 37, 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, 0.2s SatisfiabilityAnalysisTime, 27.4s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 7066 SizeOfPredicates, 15 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/9 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