/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:03:25,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 19:03:25,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 19:03:25,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 19:03:25,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 19:03:25,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 19:03:25,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 19:03:25,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 19:03:25,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 19:03:25,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 19:03:25,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 19:03:25,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 19:03:25,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 19:03:25,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 19:03:25,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 19:03:25,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 19:03:25,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 19:03:25,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 19:03:25,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 19:03:25,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 19:03:25,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 19:03:25,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 19:03:25,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 19:03:25,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 19:03:25,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 19:03:25,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 19:03:25,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 19:03:25,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 19:03:25,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 19:03:25,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 19:03:25,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 19:03:25,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 19:03:25,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 19:03:25,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 19:03:25,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 19:03:25,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 19:03:25,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 19:03:25,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 19:03:25,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:03:25,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:03:25,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:03:25,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:03:25,912 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:03:25,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:03:25,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:03:25,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:03:25,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:03:25,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:03:25,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:03:25,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:03:25,914 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:03:25,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:03:25,914 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:03:25,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:03:25,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:03:25,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:03:25,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:03:25,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:03:25,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:03:25,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:03:25,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:03:25,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:03:25,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 19:03:26,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:03:26,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:03:26,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:03:26,167 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:03:26,168 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:03:26,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 19:03:26,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb06b03e/7b80c1ef2e7e4d5ba1267c7be6c432bf/FLAGc159201b2 [2023-05-04 19:03:26,648 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:03:26,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 19:03:26,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb06b03e/7b80c1ef2e7e4d5ba1267c7be6c432bf/FLAGc159201b2 [2023-05-04 19:03:26,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb06b03e/7b80c1ef2e7e4d5ba1267c7be6c432bf [2023-05-04 19:03:26,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:03:26,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:03:26,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:03:26,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:03:26,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:03:26,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211e465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26, skipping insertion in model container [2023-05-04 19:03:26,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:03:26,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:03:26,853 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-5.wvr.c[2975,2988] [2023-05-04 19:03:26,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:03:26,875 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:03:26,917 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-5.wvr.c[2975,2988] [2023-05-04 19:03:26,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:03:26,929 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:03:26,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26 WrapperNode [2023-05-04 19:03:26,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:03:26,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:03:26,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:03:26,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:03:26,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,965 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 204 [2023-05-04 19:03:26,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:03:26,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:03:26,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:03:26,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:03:26,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:26,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:03:26,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:03:26,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:03:26,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:03:26,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (1/1) ... [2023-05-04 19:03:27,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:03:27,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:03:27,022 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 19:03:27,031 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 19:03:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:03:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 19:03:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 19:03:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 19:03:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 19:03:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:03:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:03:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:03:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 19:03:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:03:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:03:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:03:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:03:27,069 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 19:03:27,148 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:03:27,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:03:27,501 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:03:27,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:03:27,511 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 19:03:27,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:03:27 BoogieIcfgContainer [2023-05-04 19:03:27,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:03:27,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:03:27,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:03:27,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:03:27,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:03:26" (1/3) ... [2023-05-04 19:03:27,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e36dbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:03:27, skipping insertion in model container [2023-05-04 19:03:27,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:03:26" (2/3) ... [2023-05-04 19:03:27,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e36dbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:03:27, skipping insertion in model container [2023-05-04 19:03:27,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:03:27" (3/3) ... [2023-05-04 19:03:27,526 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-05-04 19:03:27,533 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:03:27,541 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:03:27,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 19:03:27,541 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:03:27,686 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 19:03:27,755 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:03:27,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:03:27,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:03:27,757 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 19:03:27,771 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 19:03:27,799 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:03:27,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:03:27,821 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;@418ed559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:03:27,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 19:03:28,057 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 19:03:28,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:03:28,063 INFO L85 PathProgramCache]: Analyzing trace with hash -279426672, now seen corresponding path program 1 times [2023-05-04 19:03:28,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:03:28,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276216770] [2023-05-04 19:03:28,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:03:28,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:03:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:03:28,424 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 19:03:28,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:03:28,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276216770] [2023-05-04 19:03:28,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276216770] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:03:28,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:03:28,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 19:03:28,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038411913] [2023-05-04 19:03:28,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:03:28,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 19:03:28,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:03:28,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 19:03:28,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 19:03:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:28,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:03:28,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 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 19:03:28,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:28,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:03:28,550 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 19:03:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:03:28,551 INFO L85 PathProgramCache]: Analyzing trace with hash -951668889, now seen corresponding path program 1 times [2023-05-04 19:03:28,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:03:28,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241466911] [2023-05-04 19:03:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:03:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:03:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:03:29,947 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 19:03:29,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:03:29,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241466911] [2023-05-04 19:03:29,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241466911] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:03:29,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046438764] [2023-05-04 19:03:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:03:29,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:03:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:03:29,952 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 19:03:29,971 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 19:03:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:03:30,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 19:03:30,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:03:30,433 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 19:03:30,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 19:03:30,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046438764] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:03:30,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 19:03:30,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2023-05-04 19:03:30,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553279053] [2023-05-04 19:03:30,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:03:30,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 19:03:30,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:03:30,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 19:03:30,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2023-05-04 19:03:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:30,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:03:30,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.375) internal successors, (155), 8 states have internal predecessors, (155), 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 19:03:30,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:30,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:03:30,679 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 19:03:30,866 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 19:03:30,867 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 19:03:30,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:03:30,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1441577909, now seen corresponding path program 1 times [2023-05-04 19:03:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:03:30,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773358949] [2023-05-04 19:03:30,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:03:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:03:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:03:31,661 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 19:03:31,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:03:31,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773358949] [2023-05-04 19:03:31,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773358949] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:03:31,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007791737] [2023-05-04 19:03:31,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:03:31,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:03:31,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:03:31,665 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 19:03:31,717 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 19:03:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:03:31,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 19:03:31,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:03:33,208 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 19:03:33,209 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2023-05-04 19:03:33,363 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 19:03:33,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:03:34,268 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 19:03:34,268 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-04 19:03:35,804 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 19:03:35,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007791737] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:03:35,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:03:35,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 22] total 50 [2023-05-04 19:03:35,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393344545] [2023-05-04 19:03:35,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:03:35,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 19:03:35,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:03:35,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 19:03:35,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2271, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 19:03:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:35,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:03:35,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 8.76) internal successors, (438), 50 states have internal predecessors, (438), 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 19:03:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:03:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:38,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:38,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:03:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 19:03:38,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 19:03:38,685 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 19:03:38,685 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 19:03:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:03:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1245919196, now seen corresponding path program 2 times [2023-05-04 19:03:38,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:03:38,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121664323] [2023-05-04 19:03:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:03:38,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:03:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:03:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:03:39,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:03:39,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121664323] [2023-05-04 19:03:39,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121664323] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:03:39,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757616553] [2023-05-04 19:03:39,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 19:03:39,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:03:39,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:03:39,961 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 19:03:39,987 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 19:03:40,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 19:03:40,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:03:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-04 19:03:40,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:03:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:03:41,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:03:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:03:45,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757616553] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:03:45,011 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:03:45,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 27] total 71 [2023-05-04 19:03:45,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373989125] [2023-05-04 19:03:45,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:03:45,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-05-04 19:03:45,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:03:45,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-05-04 19:03:45,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=4408, Unknown=0, NotChecked=0, Total=4970 [2023-05-04 19:03:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:45,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:03:45,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 6.957746478873239) internal successors, (494), 71 states have internal predecessors, (494), 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 19:03:45,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:03:45,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:03:45,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 19:03:45,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:04:03,083 WARN L233 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 77 DAG size of output: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:04:31,981 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 77 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:04:56,594 WARN L233 SmtUtils]: Spent 13.70s on a formula simplification. DAG size of input: 79 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:05:33,130 WARN L233 SmtUtils]: Spent 18.48s on a formula simplification. DAG size of input: 81 DAG size of output: 25 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:05:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:05:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:05:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 19:05:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 19:05:33,444 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 19:05:33,629 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 19:05:33,629 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 19:05:33,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:05:33,630 INFO L85 PathProgramCache]: Analyzing trace with hash 732164391, now seen corresponding path program 3 times [2023-05-04 19:05:33,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:05:33,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556014746] [2023-05-04 19:05:33,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:05:33,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:05:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:05:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:05:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:05:38,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556014746] [2023-05-04 19:05:38,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556014746] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:05:38,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347623152] [2023-05-04 19:05:38,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 19:05:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:05:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:05:38,085 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 19:05:38,095 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 19:05:38,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 19:05:38,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:05:38,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-04 19:05:38,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:05:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:05:43,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:05:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:05:54,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347623152] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:05:54,025 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:05:54,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 57] total 161 [2023-05-04 19:05:54,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943283690] [2023-05-04 19:05:54,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:05:54,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-05-04 19:05:54,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:05:54,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-05-04 19:05:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2257, Invalid=23503, Unknown=0, NotChecked=0, Total=25760 [2023-05-04 19:05:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:05:54,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:05:54,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 6.490683229813665) internal successors, (1045), 161 states have internal predecessors, (1045), 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 19:05:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:05:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:05:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 19:05:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 19:05:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:06:59,367 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 77 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:07:00,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 19:07:23,538 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 72 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:07:41,059 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 77 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:08:16,016 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 77 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:08:50,938 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 73 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:08:57,133 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 4294967292 c_~n~0) 4294967296)) (.cse2 (mod (+ 4294967295 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (or (< .cse0 .cse1) (< .cse0 .cse2))) (let ((.cse3 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296))) (or (< .cse3 .cse1) (< .cse3 .cse2))) (let ((.cse4 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or (< .cse4 .cse1) (< .cse4 .cse2))) (< (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296) .cse2) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296))) (or (< .cse5 .cse1) (< .cse5 .cse2))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296))) (or (< .cse6 .cse2) (< .cse6 .cse1))) (let ((.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse7 .cse1) (< .cse7 .cse2))) (let ((.cse8 (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse8 .cse2) (< .cse8 .cse1))) (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or (< .cse9 .cse2) (< .cse9 .cse1))) (let ((.cse10 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse10 .cse1) (< .cse10 .cse2))) (let ((.cse11 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse11 .cse2) (< .cse11 .cse1))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or (< .cse12 .cse2) (< .cse12 .cse1))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296))) (or (< .cse13 .cse1) (< .cse13 .cse2))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296))) (or (< .cse14 .cse2) (< .cse14 .cse1))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse15 .cse1) (< .cse15 .cse2))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (< .cse16 .cse1) (< .cse16 .cse2))) (let ((.cse17 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (< .cse17 .cse1) (< .cse17 .cse2))) (let ((.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse18 .cse1) (< .cse18 .cse2))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296))) (or (< .cse19 .cse2) (< .cse19 .cse1))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296))) (or (< .cse20 .cse2) (< .cse20 .cse1))) (let ((.cse21 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296))) (or (< .cse21 .cse1) (< .cse21 .cse2))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or (< .cse22 .cse1) (< .cse22 .cse2))) (let ((.cse23 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (or (< .cse23 .cse1) (< .cse23 .cse2))))) is different from false [2023-05-04 19:09:20,109 WARN L233 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 60 DAG size of output: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:09:24,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 19:10:08,543 WARN L233 SmtUtils]: Spent 16.83s on a formula simplification. DAG size of input: 81 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:11:37,116 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 70 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 19:12:35,592 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 4294967292 c_~n~0) 4294967296)) (.cse2 (mod (+ 4294967295 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (or (< .cse0 .cse1) (< .cse0 .cse2))) (let ((.cse3 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296))) (or (< .cse3 .cse1) (< .cse3 .cse2))) (let ((.cse4 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or (< .cse4 .cse1) (< .cse4 .cse2))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296))) (or (< .cse5 .cse1) (< .cse5 .cse2))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296))) (or (< .cse6 .cse2) (< .cse6 .cse1))) (let ((.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse7 .cse1) (< .cse7 .cse2))) (let ((.cse8 (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse8 .cse2) (< .cse8 .cse1))) (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or (< .cse9 .cse2) (< .cse9 .cse1))) (let ((.cse10 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse10 .cse1) (< .cse10 .cse2))) (let ((.cse11 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse11 .cse2) (< .cse11 .cse1))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or (< .cse12 .cse2) (< .cse12 .cse1))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296))) (or (< .cse13 .cse1) (< .cse13 .cse2))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296))) (or (< .cse14 .cse2) (< .cse14 .cse1))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse15 .cse1) (< .cse15 .cse2))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (< .cse16 .cse1) (< .cse16 .cse2))) (let ((.cse17 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (< .cse17 .cse1) (< .cse17 .cse2))) (let ((.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse18 .cse1) (< .cse18 .cse2))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296))) (or (< .cse19 .cse2) (< .cse19 .cse1))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296))) (or (< .cse20 .cse2) (< .cse20 .cse1))) (let ((.cse21 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296))) (or (< .cse21 .cse1) (< .cse21 .cse2))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or (< .cse22 .cse1) (< .cse22 .cse2))) (let ((.cse23 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (or (< .cse23 .cse1) (< .cse23 .cse2))))) is different from false [2023-05-04 19:12:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:12:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:12:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 19:12:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 19:12:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-04 19:12:36,361 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 19:12:36,561 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 19:12:36,561 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 19:12:36,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:12:36,561 INFO L85 PathProgramCache]: Analyzing trace with hash 119977095, now seen corresponding path program 4 times [2023-05-04 19:12:36,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:12:36,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702093583] [2023-05-04 19:12:36,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:12:36,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:12:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:12:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3366 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:12:50,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:12:50,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702093583] [2023-05-04 19:12:50,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702093583] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:12:50,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307038934] [2023-05-04 19:12:50,823 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 19:12:50,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:12:50,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:12:50,826 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 19:12:50,829 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 19:12:51,637 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 19:12:51,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:12:51,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 227 conjunts are in the unsatisfiable core [2023-05-04 19:12:51,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:13:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3366 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:13:08,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:13:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3366 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 19:13:41,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307038934] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:13:41,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:13:41,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 115, 116] total 340 [2023-05-04 19:13:41,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669777499] [2023-05-04 19:13:41,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:13:41,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 340 states [2023-05-04 19:13:41,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:13:41,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 340 interpolants. [2023-05-04 19:13:41,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4920, Invalid=110340, Unknown=0, NotChecked=0, Total=115260 [2023-05-04 19:13:41,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:13:41,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:13:41,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 340 states, 340 states have (on average 6.311764705882353) internal successors, (2146), 340 states have internal predecessors, (2146), 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 19:13:41,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:13:41,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:13:41,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 19:13:41,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 19:13:41,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-04 19:13:41,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:14:29,138 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 19:14:32,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 19:14:36,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 19:14:40,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-05-04 19:17:30,035 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 19:17:30,035 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 19:17:30,035 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 19:17:30,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 19:17:30,244 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 19:17:30,245 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 508 known predicates. [2023-05-04 19:17:30,247 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 19:17:30,247 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 19:17:30,247 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 19:17:30,250 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-05-04 19:17:30,252 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 19:17:30,252 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 19:17:30,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:17:30 BasicIcfg [2023-05-04 19:17:30,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 19:17:30,254 INFO L158 Benchmark]: Toolchain (without parser) took 843579.53ms. Allocated memory was 269.5MB in the beginning and 649.1MB in the end (delta: 379.6MB). Free memory was 240.1MB in the beginning and 466.4MB in the end (delta: -226.3MB). Peak memory consumption was 152.7MB. Max. memory is 8.0GB. [2023-05-04 19:17:30,254 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:17:30,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.40ms. Allocated memory is still 269.5MB. Free memory was 240.1MB in the beginning and 236.4MB in the end (delta: 3.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-04 19:17:30,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 269.5MB. Free memory was 236.4MB in the beginning and 233.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 19:17:30,255 INFO L158 Benchmark]: Boogie Preprocessor took 28.19ms. Allocated memory is still 269.5MB. Free memory was 233.8MB in the beginning and 232.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 19:17:30,255 INFO L158 Benchmark]: RCFGBuilder took 518.88ms. Allocated memory is still 269.5MB. Free memory was 232.2MB in the beginning and 211.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 19:17:30,256 INFO L158 Benchmark]: TraceAbstraction took 842737.92ms. Allocated memory was 269.5MB in the beginning and 649.1MB in the end (delta: 379.6MB). Free memory was 210.2MB in the beginning and 466.4MB in the end (delta: -256.2MB). Peak memory consumption was 124.4MB. Max. memory is 8.0GB. [2023-05-04 19:17:30,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.40ms. Allocated memory is still 269.5MB. Free memory was 240.1MB in the beginning and 236.4MB in the end (delta: 3.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.11ms. Allocated memory is still 269.5MB. Free memory was 236.4MB in the beginning and 233.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.19ms. Allocated memory is still 269.5MB. Free memory was 233.8MB in the beginning and 232.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 518.88ms. Allocated memory is still 269.5MB. Free memory was 232.2MB in the beginning and 211.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 842737.92ms. Allocated memory was 269.5MB in the beginning and 649.1MB in the end (delta: 379.6MB). Free memory was 210.2MB in the beginning and 466.4MB in the end (delta: -256.2MB). Peak memory consumption was 124.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3347, independent: 3100, independent conditional: 156, independent unconditional: 2944, dependent: 247, dependent conditional: 241, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3106, independent: 3100, independent conditional: 156, independent unconditional: 2944, 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: 3106, independent: 3100, independent conditional: 156, independent unconditional: 2944, 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: 3106, independent: 3100, independent conditional: 0, independent unconditional: 3100, 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: 3106, independent: 3100, independent conditional: 0, independent unconditional: 3100, 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: 3106, independent: 3100, independent conditional: 0, independent unconditional: 3100, 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: 2668, independent: 2662, independent conditional: 0, independent unconditional: 2662, 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: 2668, independent: 2661, independent conditional: 0, independent unconditional: 2661, 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: 84, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3106, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2668, unknown conditional: 0, unknown unconditional: 2668] , Statistics on independence cache: Total cache size (in pairs): 2668, Positive cache size: 2662, Positive conditional cache size: 0, Positive unconditional cache size: 2662, 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: 241 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 177, Number of trivial persistent sets: 172, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2950, independent: 2944, independent conditional: 0, independent unconditional: 2944, 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: 3347, independent: 3100, independent conditional: 156, independent unconditional: 2944, dependent: 247, dependent conditional: 241, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3106, independent: 3100, independent conditional: 156, independent unconditional: 2944, 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: 3106, independent: 3100, independent conditional: 156, independent unconditional: 2944, 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: 3106, independent: 3100, independent conditional: 0, independent unconditional: 3100, 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: 3106, independent: 3100, independent conditional: 0, independent unconditional: 3100, 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: 3106, independent: 3100, independent conditional: 0, independent unconditional: 3100, 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: 2668, independent: 2662, independent conditional: 0, independent unconditional: 2662, 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: 2668, independent: 2661, independent conditional: 0, independent unconditional: 2661, 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: 84, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3106, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2668, unknown conditional: 0, unknown unconditional: 2668] , Statistics on independence cache: Total cache size (in pairs): 2668, Positive cache size: 2662, Positive conditional cache size: 0, Positive unconditional cache size: 2662, 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: 241 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 508 known predicates. - TimeoutResultAtElement [Line: 110]: 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 508 known predicates. - TimeoutResultAtElement [Line: 109]: 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 508 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 392 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 842.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 742.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 465, 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: 0.2s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 95.5s InterpolantComputationTime, 3634 NumberOfCodeBlocks, 3634 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5203 ConstructedInterpolants, 43 QuantifiedInterpolants, 68282 SizeOfPredicates, 222 NumberOfNonLiveVariables, 2961 ConjunctsInSsa, 432 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 84/12222 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