/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 11:26:39,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 11:26:39,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 11:26:40,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 11:26:40,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 11:26:40,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 11:26:40,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 11:26:40,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 11:26:40,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 11:26:40,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 11:26:40,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 11:26:40,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 11:26:40,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 11:26:40,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 11:26:40,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 11:26:40,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 11:26:40,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 11:26:40,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 11:26:40,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 11:26:40,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 11:26:40,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 11:26:40,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 11:26:40,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 11:26:40,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 11:26:40,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 11:26:40,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 11:26:40,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 11:26:40,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 11:26:40,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 11:26:40,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 11:26:40,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 11:26:40,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 11:26:40,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 11:26:40,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 11:26:40,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 11:26:40,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 11:26:40,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 11:26:40,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 11:26:40,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 11:26:40,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 11:26:40,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 11:26:40,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 11:26:40,103 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 11:26:40,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 11:26:40,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 11:26:40,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 11:26:40,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 11:26:40,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 11:26:40,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 11:26:40,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 11:26:40,104 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 11:26:40,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 11:26:40,107 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 11:26:40,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 11:26:40,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 11:26:40,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 11:26:40,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 11:26:40,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 11:26:40,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:26:40,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 11:26:40,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 11:26:40,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 11:26:40,111 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 11:26:40,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 11:26:40,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 11:26:40,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 11:26:40,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 11:26:40,298 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 11:26:40,300 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 11:26:40,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-05-20 11:26:40,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d677334/11ed9cb0b3944ebabfc97e7443ea9af9/FLAGdb6599776 [2023-05-20 11:26:40,692 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 11:26:40,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-05-20 11:26:40,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d677334/11ed9cb0b3944ebabfc97e7443ea9af9/FLAGdb6599776 [2023-05-20 11:26:41,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d677334/11ed9cb0b3944ebabfc97e7443ea9af9 [2023-05-20 11:26:41,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 11:26:41,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 11:26:41,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 11:26:41,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 11:26:41,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 11:26:41,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccecaf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41, skipping insertion in model container [2023-05-20 11:26:41,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 11:26:41,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 11:26:41,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2023-05-20 11:26:41,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:26:41,311 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 11:26:41,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2023-05-20 11:26:41,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:26:41,349 INFO L208 MainTranslator]: Completed translation [2023-05-20 11:26:41,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41 WrapperNode [2023-05-20 11:26:41,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 11:26:41,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 11:26:41,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 11:26:41,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 11:26:41,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,381 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-05-20 11:26:41,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 11:26:41,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 11:26:41,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 11:26:41,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 11:26:41,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 11:26:41,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 11:26:41,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 11:26:41,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 11:26:41,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (1/1) ... [2023-05-20 11:26:41,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:26:41,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:26:41,423 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) [2023-05-20 11:26:41,426 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 [2023-05-20 11:26:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 11:26:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 11:26:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 11:26:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 11:26:41,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 11:26:41,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 11:26:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 11:26:41,450 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 11:26:41,505 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 11:26:41,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 11:26:41,659 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 11:26:41,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 11:26:41,694 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 11:26:41,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:26:41 BoogieIcfgContainer [2023-05-20 11:26:41,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 11:26:41,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 11:26:41,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 11:26:41,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 11:26:41,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 11:26:41" (1/3) ... [2023-05-20 11:26:41,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d95b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:26:41, skipping insertion in model container [2023-05-20 11:26:41,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:26:41" (2/3) ... [2023-05-20 11:26:41,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d95b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:26:41, skipping insertion in model container [2023-05-20 11:26:41,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:26:41" (3/3) ... [2023-05-20 11:26:41,700 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2023-05-20 11:26:41,705 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 11:26:41,710 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 11:26:41,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 11:26:41,710 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 11:26:41,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 11:26:41,782 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:26:41,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 11:26:41,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:26:41,798 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) [2023-05-20 11:26:41,804 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 [2023-05-20 11:26:41,832 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 11:26:41,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 11:26:41,863 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;@73be1a91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:26:41,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 11:26:42,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 11:26:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:26:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1463744064, now seen corresponding path program 1 times [2023-05-20 11:26:42,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:26:42,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848542584] [2023-05-20 11:26:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:26:42,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:26:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:26:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 11:26:42,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:26:42,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848542584] [2023-05-20 11:26:42,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848542584] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:26:42,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 11:26:42,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 11:26:42,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975741293] [2023-05-20 11:26:42,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:26:42,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 11:26:42,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:26:42,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 11:26:42,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 11:26:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:42,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:26:42,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2023-05-20 11:26:42,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:42,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 11:26:42,252 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 11:26:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:26:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1567516799, now seen corresponding path program 1 times [2023-05-20 11:26:42,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:26:42,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712261667] [2023-05-20 11:26:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:26:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:26:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:26:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:26:42,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:26:42,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712261667] [2023-05-20 11:26:42,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712261667] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:26:42,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854000136] [2023-05-20 11:26:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:26:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:26:42,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:26:42,955 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) [2023-05-20 11:26:42,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 11:26:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:26:43,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-20 11:26:43,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:26:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 11:26:43,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 11:26:43,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854000136] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:26:43,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 11:26:43,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-05-20 11:26:43,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150947073] [2023-05-20 11:26:43,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:26:43,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 11:26:43,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:26:43,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 11:26:43,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-05-20 11:26:43,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:43,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:26:43,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2023-05-20 11:26:43,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:43,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:43,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:43,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:26:43,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 11:26:43,833 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,SelfDestructingSolverStorable1 [2023-05-20 11:26:43,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 11:26:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:26:43,834 INFO L85 PathProgramCache]: Analyzing trace with hash 790602445, now seen corresponding path program 1 times [2023-05-20 11:26:43,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:26:43,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950620551] [2023-05-20 11:26:43,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:26:43,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:26:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:26:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:26:46,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:26:46,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950620551] [2023-05-20 11:26:46,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950620551] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:26:46,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099921291] [2023-05-20 11:26:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:26:46,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:26:46,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:26:46,917 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) [2023-05-20 11:26:46,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 11:26:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:26:47,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-20 11:26:47,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:26:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:26:49,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:26:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:26:53,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099921291] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:26:53,738 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:26:53,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 20] total 49 [2023-05-20 11:26:53,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030611581] [2023-05-20 11:26:53,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:26:53,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-20 11:26:53,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:26:53,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-20 11:26:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=1999, Unknown=0, NotChecked=0, Total=2352 [2023-05-20 11:26:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:53,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:26:53,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.9183673469387754) internal successors, (192), 49 states have internal predecessors, (192), 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) [2023-05-20 11:26:53,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:26:53,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:26:53,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:27:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:27:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:27:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 11:27:37,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 11:27:37,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:27:37,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 11:27:37,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:27:37,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1327565722, now seen corresponding path program 2 times [2023-05-20 11:27:37,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:27:37,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358922100] [2023-05-20 11:27:37,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:27:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:27:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:27:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:27:42,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:27:42,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358922100] [2023-05-20 11:27:42,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358922100] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:27:42,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389426325] [2023-05-20 11:27:42,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 11:27:42,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:27:42,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:27:42,863 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) [2023-05-20 11:27:42,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 11:27:44,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 11:27:44,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:27:44,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-20 11:27:44,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:28:12,777 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 11:28:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:28:13,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:28:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:28:31,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389426325] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:28:31,394 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:28:31,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 31, 28] total 82 [2023-05-20 11:28:31,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999648131] [2023-05-20 11:28:31,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:28:31,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-05-20 11:28:31,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:28:31,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-05-20 11:28:31,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1070, Invalid=5572, Unknown=0, NotChecked=0, Total=6642 [2023-05-20 11:28:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:28:31,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:28:31,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 2.8902439024390243) internal successors, (237), 82 states have internal predecessors, (237), 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) [2023-05-20 11:28:31,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:28:31,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:28:31,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 11:28:31,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:29:09,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 11:29:12,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 11:29:30,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 11:29:31,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 11:30:02,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 11:30:04,292 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse22 (+ c_~S~0 c_~T~0))) (let ((.cse21 (div .cse22 4294967296))) (let ((.cse7 (= c_~m~0 8)) (.cse9 (= c_~m~0 2)) (.cse8 (= c_~m~0 6)) (.cse3 (= c_~m~0 4)) (.cse5 (= c_~m~0 9)) (.cse6 (= 7 c_~m~0)) (.cse2 (= c_~m~0 5)) (.cse4 (= c_~m~0 3)) (.cse10 (= c_~m~0 10)) (.cse11 (< 0 (mod (+ 4294967292 c_~S~0) 4294967296))) (.cse12 (< 0 (mod (+ c_~S~0 4294967291) 4294967296))) (.cse13 (< 0 (mod (+ c_~S~0 4294967289) 4294967296))) (.cse14 (< 0 (mod (+ 4294967290 c_~S~0) 4294967296))) (.cse15 (< 0 (mod (+ c_~S~0 4294967295) 4294967296))) (.cse16 (< 0 (mod (+ c_~S~0 4294967294) 4294967296))) (.cse18 (< 0 (mod (+ c_~S~0 4294967293) 4294967296))) (.cse24 (* (div c_~m~0 4294967296) 4294967296)) (.cse19 (div c_~s~0 4294967296)) (.cse23 (* .cse21 4294967296))) (and (< 0 (mod c_~S~0 4294967296)) (let ((.cse0 (< 0 (mod (+ c_~T~0 4294967295) 4294967296))) (.cse1 (= c_thread1Thread1of1ForFork1_~cond~0 1))) (or (and .cse0 .cse1 (or (and .cse2 (<= (+ (* (div (+ c_~S~0 (- 5)) 4294967296) 4294967296) 4294967300) c_~S~0)) (and .cse3 (<= (+ (* (div (+ c_~S~0 (- 4)) 4294967296) 4294967296) 4294967299) c_~S~0)) (and (<= (+ (* (div (+ c_~S~0 (- 3)) 4294967296) 4294967296) 4294967298) c_~S~0) .cse4) (and .cse5 (<= (+ (* (div (+ (- 9) c_~S~0) 4294967296) 4294967296) 4294967304) c_~S~0)) (and .cse6 (<= (+ 4294967302 (* (div (+ c_~S~0 (- 7)) 4294967296) 4294967296)) c_~S~0)) (and .cse7 (<= (+ 4294967303 (* (div (+ c_~S~0 (- 8)) 4294967296) 4294967296)) c_~S~0)) (and (<= (+ (* (div (+ c_~S~0 (- 6)) 4294967296) 4294967296) 4294967301) c_~S~0) .cse8) (and .cse9 (<= (+ (* (div (+ (- 2) c_~S~0) 4294967296) 4294967296) 4294967297) c_~S~0)))) (and .cse10 .cse11 .cse12 .cse13 (< 0 (mod (+ 4294967288 c_~S~0) 4294967296)) .cse14 .cse15 .cse16 (let ((.cse17 (< 0 (mod (+ c_~S~0 4294967287) 4294967296)))) (or (and (not .cse17) (= c_thread1Thread1of1ForFork1_~cond~0 0) (not .cse0)) (and (or .cse0 .cse17) .cse1))) .cse18))) (< 0 (mod c_~T~0 4294967296)) (or (let ((.cse20 (div c_~t~0 4294967296))) (and (<= (+ .cse19 .cse20 1) .cse21) (<= .cse22 (+ c_~s~0 (* .cse20 4294967296) 10)))) (<= (+ c_~m~0 .cse23) (+ c_~S~0 c_~T~0 .cse24))) (= c_~T~0 (+ c_~t~0 1)) (let ((.cse25 (+ c_~s~0 1))) (or (and (< 0 (mod c_~t~0 4294967296)) (not (< 0 (mod c_~s~0 4294967296))) (or (and .cse7 (= (+ c_~s~0 7) c_~S~0)) (and .cse9 (= .cse25 c_~S~0)) (and (= c_~S~0 (+ c_~s~0 5)) .cse8) (and .cse3 (= (+ c_~s~0 3) c_~S~0)) (and (= (+ c_~s~0 8) c_~S~0) .cse5) (and (= (+ c_~s~0 6) c_~S~0) .cse6) (and .cse2 (= c_~S~0 (+ c_~s~0 4))) (and .cse4 (= c_~S~0 (+ c_~s~0 2))))) (and .cse10 .cse11 .cse12 (< 0 (mod .cse25 4294967296)) (= c_~S~0 (+ c_~s~0 9)) .cse13 .cse14 .cse15 .cse16 .cse18))) (or (let ((.cse26 (+ c_~S~0 c_~T~0 (* (div (+ 7 c_~m~0) 4294967296) 4294967296)))) (and (<= (+ 7 c_~m~0 .cse23) .cse26) (< .cse26 (+ c_~m~0 8 .cse23)))) (< (+ 7 (* (div (+ c_~s~0 (- 7)) 4294967296) 4294967296)) c_~s~0) (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (<= (+ c_~S~0 c_~T~0 .cse24 (* .cse19 4294967296)) (+ c_~s~0 c_~m~0 .cse23)))))) is different from false [2023-05-20 11:38:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:38:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:38:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 11:38:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 11:38:38,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 11:38:38,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:38:38,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 11:38:38,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:38:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash 357115930, now seen corresponding path program 3 times [2023-05-20 11:38:38,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:38:38,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637607408] [2023-05-20 11:38:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:38:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:38:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:39:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 477 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:39:14,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:39:14,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637607408] [2023-05-20 11:39:14,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637607408] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:39:14,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964883219] [2023-05-20 11:39:14,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 11:39:14,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:39:14,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:39:14,409 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) [2023-05-20 11:39:14,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 11:39:20,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2023-05-20 11:39:20,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:39:20,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-20 11:39:20,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:40:37,757 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 110 DAG size of output: 110 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-20 11:41:11,801 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 [2023-05-20 11:41:11,801 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 [2023-05-20 11:41:11,803 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 [2023-05-20 11:41:11,843 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 11:41:11,845 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 11:41:11,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 11:41:12,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:41:12,046 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 123 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. [2023-05-20 11:41:12,047 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 11:41:12,047 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 11:41:12,052 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-05-20 11:41:12,054 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 11:41:12,054 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 11:41:12,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 11:41:12 BasicIcfg [2023-05-20 11:41:12,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 11:41:12,056 INFO L158 Benchmark]: Toolchain (without parser) took 870908.86ms. Allocated memory was 174.1MB in the beginning and 482.3MB in the end (delta: 308.3MB). Free memory was 119.3MB in the beginning and 244.3MB in the end (delta: -125.0MB). Peak memory consumption was 183.9MB. Max. memory is 8.0GB. [2023-05-20 11:41:12,057 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 11:41:12,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.84ms. Allocated memory is still 174.1MB. Free memory was 119.1MB in the beginning and 147.1MB in the end (delta: -28.0MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. [2023-05-20 11:41:12,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.29ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 145.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 11:41:12,057 INFO L158 Benchmark]: Boogie Preprocessor took 16.29ms. Allocated memory is still 174.1MB. Free memory was 145.2MB in the beginning and 144.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 11:41:12,057 INFO L158 Benchmark]: RCFGBuilder took 296.37ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 128.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-20 11:41:12,058 INFO L158 Benchmark]: TraceAbstraction took 870359.50ms. Allocated memory was 174.1MB in the beginning and 482.3MB in the end (delta: 308.3MB). Free memory was 127.7MB in the beginning and 244.3MB in the end (delta: -116.6MB). Peak memory consumption was 191.0MB. Max. memory is 8.0GB. [2023-05-20 11:41:12,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 199.84ms. Allocated memory is still 174.1MB. Free memory was 119.1MB in the beginning and 147.1MB in the end (delta: -28.0MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.29ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 145.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.29ms. Allocated memory is still 174.1MB. Free memory was 145.2MB in the beginning and 144.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 296.37ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 128.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 870359.50ms. Allocated memory was 174.1MB in the beginning and 482.3MB in the end (delta: 308.3MB). Free memory was 127.7MB in the beginning and 244.3MB in the end (delta: -116.6MB). Peak memory consumption was 191.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1304, independent: 1036, independent conditional: 398, independent unconditional: 638, dependent: 268, dependent conditional: 253, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1036, independent conditional: 398, independent unconditional: 638, dependent: 23, dependent conditional: 8, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1036, independent conditional: 398, independent unconditional: 638, dependent: 23, dependent conditional: 8, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1080, independent: 1036, independent conditional: 7, independent unconditional: 1029, dependent: 44, dependent conditional: 14, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1080, independent: 1036, independent conditional: 7, independent unconditional: 1029, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1080, independent: 1036, independent conditional: 7, independent unconditional: 1029, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 580, independent: 562, independent conditional: 5, independent unconditional: 557, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 580, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, independent: 55, independent conditional: 11, independent unconditional: 44, dependent: 96, dependent conditional: 29, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1080, independent: 474, independent conditional: 2, independent unconditional: 472, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 580, unknown conditional: 8, unknown unconditional: 572] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 562, Positive conditional cache size: 5, Positive unconditional cache size: 557, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 3, Independence queries for same thread: 245 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 133, Number of trivial persistent sets: 108, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, independent: 638, independent conditional: 0, independent unconditional: 638, 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: 1304, independent: 1036, independent conditional: 398, independent unconditional: 638, dependent: 268, dependent conditional: 253, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1036, independent conditional: 398, independent unconditional: 638, dependent: 23, dependent conditional: 8, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1036, independent conditional: 398, independent unconditional: 638, dependent: 23, dependent conditional: 8, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1080, independent: 1036, independent conditional: 7, independent unconditional: 1029, dependent: 44, dependent conditional: 14, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1080, independent: 1036, independent conditional: 7, independent unconditional: 1029, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1080, independent: 1036, independent conditional: 7, independent unconditional: 1029, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 580, independent: 562, independent conditional: 5, independent unconditional: 557, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 580, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, independent: 55, independent conditional: 11, independent unconditional: 44, dependent: 96, dependent conditional: 29, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1080, independent: 474, independent conditional: 2, independent unconditional: 472, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 580, unknown conditional: 8, unknown unconditional: 572] , Statistics on independence cache: Total cache size (in pairs): 580, Positive cache size: 562, Positive conditional cache size: 5, Positive unconditional cache size: 557, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 3, Independence queries for same thread: 245 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 123 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 89]: 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 123 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 90]: 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 123 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 100 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 870.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 651.3s, 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: 160, 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, 1.7s SatisfiabilityAnalysisTime, 62.8s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 22805 SizeOfPredicates, 39 NumberOfNonLiveVariables, 541 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 12/564 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