/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 10:09:18,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 10:09:18,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 10:09:18,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 10:09:18,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 10:09:18,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 10:09:18,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 10:09:18,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 10:09:18,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 10:09:18,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 10:09:18,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 10:09:18,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 10:09:18,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 10:09:18,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 10:09:18,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 10:09:18,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 10:09:18,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 10:09:18,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 10:09:18,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 10:09:18,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 10:09:18,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 10:09:18,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 10:09:18,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 10:09:18,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 10:09:18,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 10:09:18,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 10:09:18,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 10:09:18,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 10:09:18,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 10:09:18,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 10:09:18,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 10:09:18,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 10:09:18,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 10:09:18,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 10:09:18,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 10:09:18,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 10:09:18,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 10:09:18,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 10:09:18,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 10:09:18,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 10:09:18,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 10:09:18,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 10:09:18,596 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 10:09:18,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 10:09:18,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 10:09:18,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 10:09:18,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 10:09:18,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 10:09:18,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 10:09:18,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 10:09:18,598 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 10:09:18,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 10:09:18,599 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 10:09:18,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 10:09:18,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 10:09:18,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 10:09:18,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 10:09:18,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 10:09:18,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 10:09:18,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:09:18,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 10:09:18,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 10:09:18,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 10:09:18,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 10:09:18,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 10:09:18,603 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 10:09:18,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 10:09:18,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 10:09:18,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 10:09:18,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 10:09:18,848 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 10:09:18,849 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 10:09:18,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2023-05-04 10:09:18,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9aac4b9/2b4823ad440642f587c8c1ed75edb99a/FLAGd673e3d61 [2023-05-04 10:09:19,326 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 10:09:19,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2023-05-04 10:09:19,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9aac4b9/2b4823ad440642f587c8c1ed75edb99a/FLAGd673e3d61 [2023-05-04 10:09:19,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9aac4b9/2b4823ad440642f587c8c1ed75edb99a [2023-05-04 10:09:19,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 10:09:19,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 10:09:19,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 10:09:19,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 10:09:19,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 10:09:19,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e8c611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19, skipping insertion in model container [2023-05-04 10:09:19,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 10:09:19,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 10:09:19,613 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/unroll-cond-2.wvr.c[2474,2487] [2023-05-04 10:09:19,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:09:19,635 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 10:09:19,669 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/unroll-cond-2.wvr.c[2474,2487] [2023-05-04 10:09:19,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:09:19,684 INFO L208 MainTranslator]: Completed translation [2023-05-04 10:09:19,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19 WrapperNode [2023-05-04 10:09:19,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 10:09:19,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 10:09:19,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 10:09:19,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 10:09:19,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,730 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 141 [2023-05-04 10:09:19,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 10:09:19,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 10:09:19,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 10:09:19,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 10:09:19,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 10:09:19,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 10:09:19,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 10:09:19,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 10:09:19,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (1/1) ... [2023-05-04 10:09:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:09:19,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:09:19,803 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) [2023-05-04 10:09:19,804 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 [2023-05-04 10:09:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 10:09:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 10:09:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 10:09:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 10:09:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 10:09:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 10:09:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 10:09:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 10:09:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 10:09:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 10:09:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 10:09:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 10:09:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 10:09:19,839 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 10:09:19,972 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 10:09:19,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 10:09:20,281 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 10:09:20,290 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 10:09:20,290 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 10:09:20,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:09:20 BoogieIcfgContainer [2023-05-04 10:09:20,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 10:09:20,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 10:09:20,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 10:09:20,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 10:09:20,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 10:09:19" (1/3) ... [2023-05-04 10:09:20,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a64d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:09:20, skipping insertion in model container [2023-05-04 10:09:20,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:09:19" (2/3) ... [2023-05-04 10:09:20,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a64d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:09:20, skipping insertion in model container [2023-05-04 10:09:20,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:09:20" (3/3) ... [2023-05-04 10:09:20,299 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2023-05-04 10:09:20,305 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 10:09:20,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 10:09:20,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 10:09:20,314 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 10:09:20,396 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 10:09:20,433 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:09:20,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:09:20,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:09:20,437 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) [2023-05-04 10:09:20,448 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 [2023-05-04 10:09:20,479 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:09:20,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 10:09:20,508 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;@5379df50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:09:20,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 10:09:20,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:09:20,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:09:20,707 INFO L85 PathProgramCache]: Analyzing trace with hash 286465765, now seen corresponding path program 1 times [2023-05-04 10:09:20,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:09:20,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144213025] [2023-05-04 10:09:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:09:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:09:21,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:09:21,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144213025] [2023-05-04 10:09:21,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144213025] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:09:21,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:09:21,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 10:09:21,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904283306] [2023-05-04 10:09:21,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:09:21,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 10:09:21,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:09:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 10:09:21,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 10:09:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:21,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:09:21,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 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) [2023-05-04 10:09:21,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:21,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:21,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 10:09:21,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:09:21,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:09:21,127 INFO L85 PathProgramCache]: Analyzing trace with hash -98402625, now seen corresponding path program 1 times [2023-05-04 10:09:21,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:09:21,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350385528] [2023-05-04 10:09:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:21,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:09:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:09:21,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:09:21,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350385528] [2023-05-04 10:09:21,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350385528] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:09:21,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014086799] [2023-05-04 10:09:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:21,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:09:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:09:21,976 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) [2023-05-04 10:09:21,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 10:09:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:22,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:09:22,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:09:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:09:22,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:09:22,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014086799] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:09:22,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:09:22,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-05-04 10:09:22,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144152058] [2023-05-04 10:09:22,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:09:22,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 10:09:22,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:09:22,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 10:09:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-05-04 10:09:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:22,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:09:22,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 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) [2023-05-04 10:09:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:09:22,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 10:09:22,702 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 [2023-05-04 10:09:22,702 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:09:22,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:09:22,703 INFO L85 PathProgramCache]: Analyzing trace with hash 216542381, now seen corresponding path program 1 times [2023-05-04 10:09:22,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:09:22,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001291972] [2023-05-04 10:09:22,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:22,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:09:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:09:23,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:09:23,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001291972] [2023-05-04 10:09:23,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001291972] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:09:23,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302754088] [2023-05-04 10:09:23,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:23,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:09:23,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:09:23,157 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) [2023-05-04 10:09:23,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 10:09:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:23,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-04 10:09:23,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:09:24,032 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-04 10:09:24,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 20 [2023-05-04 10:09:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:09:24,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:09:24,406 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 10:09:24,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2023-05-04 10:09:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:09:25,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302754088] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:09:25,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:09:25,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 19] total 38 [2023-05-04 10:09:25,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536890674] [2023-05-04 10:09:25,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:09:25,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-04 10:09:25,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:09:25,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-04 10:09:25,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1262, Unknown=0, NotChecked=0, Total=1406 [2023-05-04 10:09:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:25,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:09:25,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.447368421052632) internal successors, (321), 38 states have internal predecessors, (321), 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) [2023-05-04 10:09:25,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:25,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:09:25,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:09:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 10:09:27,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 10:09:27,361 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 [2023-05-04 10:09:27,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:09:27,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:09:27,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1384323487, now seen corresponding path program 2 times [2023-05-04 10:09:27,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:09:27,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903252455] [2023-05-04 10:09:27,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:09:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:09:28,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:09:28,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903252455] [2023-05-04 10:09:28,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903252455] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:09:28,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708549433] [2023-05-04 10:09:28,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:09:28,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:09:28,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:09:28,138 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) [2023-05-04 10:09:28,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 10:09:28,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:09:28,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:09:28,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-04 10:09:28,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:09:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:09:28,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:09:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:09:29,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708549433] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:09:29,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:09:29,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 18] total 34 [2023-05-04 10:09:29,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772119262] [2023-05-04 10:09:29,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:09:29,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 10:09:29,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:09:29,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 10:09:29,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=938, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 10:09:29,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:29,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:09:29,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.911764705882353) internal successors, (269), 34 states have internal predecessors, (269), 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) [2023-05-04 10:09:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:09:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 10:09:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:09:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 10:09:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 10:09:32,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 10:09:33,077 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 [2023-05-04 10:09:33,077 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:09:33,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:09:33,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1726113503, now seen corresponding path program 3 times [2023-05-04 10:09:33,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:09:33,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102083024] [2023-05-04 10:09:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:09:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:09:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:09:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:09:35,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:09:35,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102083024] [2023-05-04 10:09:35,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102083024] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:09:35,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111001200] [2023-05-04 10:09:35,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 10:09:35,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:09:35,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:09:35,021 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) [2023-05-04 10:09:35,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 10:09:35,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-04 10:09:35,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:09:35,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-04 10:09:35,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:09:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:09:36,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:09:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:09:37,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111001200] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:09:37,993 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:09:37,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 34] total 66 [2023-05-04 10:09:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611988387] [2023-05-04 10:09:37,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:09:37,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-04 10:09:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:09:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-04 10:09:37,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=3730, Unknown=0, NotChecked=0, Total=4290 [2023-05-04 10:09:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:37,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:09:37,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 7.106060606060606) internal successors, (469), 66 states have internal predecessors, (469), 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) [2023-05-04 10:09:37,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:09:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 10:09:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 10:09:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:09:50,602 WARN L233 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:10:19,315 WARN L233 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:12:04,317 WARN L233 SmtUtils]: Spent 22.44s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:12:06,348 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 [] [2023-05-04 10:12:08,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:12:11,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:12:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:12:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:12:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 10:12:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 10:12:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 10:12:11,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 10:12:11,964 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 [2023-05-04 10:12:11,964 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:12:11,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:12:11,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1358290593, now seen corresponding path program 4 times [2023-05-04 10:12:11,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:12:11,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124557388] [2023-05-04 10:12:11,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:12:11,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:12:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:12:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 0 proven. 2640 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:12:17,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:12:17,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124557388] [2023-05-04 10:12:17,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124557388] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:12:17,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987518940] [2023-05-04 10:12:17,250 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 10:12:17,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:12:17,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:12:17,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:12:17,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 10:12:17,702 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 10:12:17,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:12:17,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-04 10:12:17,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:12:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 0 proven. 2640 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:12:19,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:12:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 0 proven. 2640 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:12:27,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987518940] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:12:27,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:12:27,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 67] total 131 [2023-05-04 10:12:27,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368215830] [2023-05-04 10:12:27,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:12:27,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-05-04 10:12:27,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:12:27,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-05-04 10:12:27,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1923, Invalid=15107, Unknown=0, NotChecked=0, Total=17030 [2023-05-04 10:12:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:12:27,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:12:27,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 6.633587786259542) internal successors, (869), 131 states have internal predecessors, (869), 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) [2023-05-04 10:12:27,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:12:27,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:12:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 10:12:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 10:12:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 10:12:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:02,417 WARN L233 SmtUtils]: Spent 12.31s on a formula simplification. DAG size of input: 106 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:13:10,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:13:11,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:13:14,993 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse11 (mod (+ 4294967295 c_~n~0) 4294967296))) (let ((.cse2 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 10) 4294967296) .cse11)) (.cse6 (< (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) .cse11)) (.cse8 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 2) 4294967296) .cse11)) (.cse16 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296) .cse11)) (.cse13 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 26) 4294967296) .cse11)) (.cse10 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 28) 4294967296) .cse11)) (.cse14 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 24) 4294967296) .cse11)) (.cse4 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 20) 4294967296) .cse11)) (.cse19 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 22) 4294967296) .cse11)) (.cse20 (< (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) .cse11)) (.cse1 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 12) 4294967296) .cse11)) (.cse25 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 14) 4294967296) .cse11)) (.cse22 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296) .cse11)) (.cse15 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 27) 4294967296) .cse11)) (.cse0 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 1) 4294967296) .cse11)) (.cse18 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296) .cse11)) (.cse23 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296) .cse11)) (.cse7 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 8) 4294967296) .cse11)) (.cse3 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 18) 4294967296) .cse11)) (.cse26 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 16) 4294967296) .cse11)) (.cse9 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 4) 4294967296) .cse11)) (.cse28 (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 6) 4294967296) .cse11)) (.cse5 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296) .cse11)) (.cse17 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296) .cse11)) (.cse27 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 3) 4294967296) .cse11)) (.cse12 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296) .cse11)) (.cse24 (< (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) .cse11)) (.cse21 (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296) .cse11))) (and .cse0 (or .cse1 (not .cse2)) (or (not .cse3) .cse4) (or .cse5 (not .cse6)) (or .cse2 (not .cse7)) (or (not .cse8) .cse9) (or (not .cse10) (< (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 30) 4294967296) .cse11)) (or (not .cse12) .cse6) (or .cse13 (not .cse14)) (or (not .cse15) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 29) 4294967296) .cse11)) .cse8 (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (or .cse16 (not .cse17)) (or (not .cse16) .cse18) (or (not .cse13) .cse10) (or .cse14 (not .cse19)) (or .cse20 (not .cse21)) (or (not .cse4) .cse19) (or (not .cse20) .cse22) (or (not .cse23) .cse24) (or .cse25 (not .cse1)) (or .cse26 (not .cse25)) (or (not .cse22) .cse15) (or .cse27 (not .cse0)) (or (not .cse18) .cse23) (or (not .cse28) .cse7) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (or .cse3 (not .cse26)) (or (not .cse9) .cse28) (or (not .cse5) .cse17) (or (not .cse27) .cse12) (or (not .cse24) .cse21)))) is different from false [2023-05-04 10:14:23,381 WARN L233 SmtUtils]: Spent 31.09s on a formula simplification. DAG size of input: 95 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:14:24,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:28,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:30,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:33,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:36,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:38,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:41,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:46,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:49,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:14:51,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:11,900 WARN L233 SmtUtils]: Spent 4.94m on a formula simplification. DAG size of input: 169 DAG size of output: 113 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:22:15,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:16,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:18,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:20,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:22,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:23,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:26,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:28,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:32,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:34,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:36,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:38,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:40,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:41,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-05-04 10:23:46,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 10:23:46,933 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 [2023-05-04 10:23:46,932 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 [2023-05-04 10:23:47,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 10:23:47,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:23:47,695 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. [2023-05-04 10:23:47,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 10:23:47,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 10:23:47,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 10:23:47,701 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-05-04 10:23:47,703 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 10:23:47,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 10:23:47,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 10:23:47 BasicIcfg [2023-05-04 10:23:47,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 10:23:47,706 INFO L158 Benchmark]: Toolchain (without parser) took 868353.16ms. Allocated memory was 176.2MB in the beginning and 421.5MB in the end (delta: 245.4MB). Free memory was 117.7MB in the beginning and 336.0MB in the end (delta: -218.3MB). Peak memory consumption was 27.7MB. Max. memory is 8.0GB. [2023-05-04 10:23:47,706 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 10:23:47,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.81ms. Allocated memory is still 176.2MB. Free memory was 117.4MB in the beginning and 146.3MB in the end (delta: -28.8MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2023-05-04 10:23:47,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.96ms. Allocated memory is still 176.2MB. Free memory was 146.3MB in the beginning and 144.4MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 10:23:47,707 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 142.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:23:47,707 INFO L158 Benchmark]: RCFGBuilder took 523.13ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 126.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-04 10:23:47,707 INFO L158 Benchmark]: TraceAbstraction took 867411.31ms. Allocated memory was 176.2MB in the beginning and 421.5MB in the end (delta: 245.4MB). Free memory was 125.3MB in the beginning and 336.0MB in the end (delta: -210.7MB). Peak memory consumption was 34.4MB. Max. memory is 8.0GB. [2023-05-04 10:23:47,708 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 176.2MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 329.81ms. Allocated memory is still 176.2MB. Free memory was 117.4MB in the beginning and 146.3MB in the end (delta: -28.8MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.96ms. Allocated memory is still 176.2MB. Free memory was 146.3MB in the beginning and 144.4MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 142.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 523.13ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 126.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 867411.31ms. Allocated memory was 176.2MB in the beginning and 421.5MB in the end (delta: 245.4MB). Free memory was 125.3MB in the beginning and 336.0MB in the end (delta: -210.7MB). Peak memory consumption was 34.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2907, independent: 1817, independent conditional: 247, independent unconditional: 1570, dependent: 1090, dependent conditional: 1084, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 247, independent unconditional: 1570, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 247, independent unconditional: 1570, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 0, independent unconditional: 1817, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 0, independent unconditional: 1817, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 0, independent unconditional: 1817, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1464, independent: 1458, independent conditional: 0, independent unconditional: 1458, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1464, independent: 1457, independent conditional: 0, independent unconditional: 1457, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1823, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1464, unknown conditional: 0, unknown unconditional: 1464] , Statistics on independence cache: Total cache size (in pairs): 1464, Positive cache size: 1458, Positive conditional cache size: 0, Positive unconditional cache size: 1458, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: 1084 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 202, Number of trivial persistent sets: 185, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1576, independent: 1570, independent conditional: 0, independent unconditional: 1570, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2907, independent: 1817, independent conditional: 247, independent unconditional: 1570, dependent: 1090, dependent conditional: 1084, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 247, independent unconditional: 1570, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 247, independent unconditional: 1570, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 0, independent unconditional: 1817, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 0, independent unconditional: 1817, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1823, independent: 1817, independent conditional: 0, independent unconditional: 1817, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1464, independent: 1458, independent conditional: 0, independent unconditional: 1458, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1464, independent: 1457, independent conditional: 0, independent unconditional: 1457, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1823, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1464, unknown conditional: 0, unknown unconditional: 1464] , Statistics on independence cache: Total cache size (in pairs): 1464, Positive cache size: 1458, Positive conditional cache size: 0, Positive unconditional cache size: 1458, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: 1084 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 230 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 867.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 839.0s, 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: 280, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 2489 NumberOfCodeBlocks, 2489 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3537 ConstructedInterpolants, 0 QuantifiedInterpolants, 41192 SizeOfPredicates, 142 NumberOfNonLiveVariables, 2125 ConjunctsInSsa, 266 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 84/9840 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