/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 07:09:55,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 07:09:55,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 07:09:55,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 07:09:55,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 07:09:55,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 07:09:55,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 07:09:55,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 07:09:55,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 07:09:55,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 07:09:55,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 07:09:55,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 07:09:55,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 07:09:55,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 07:09:55,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 07:09:55,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 07:09:55,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 07:09:55,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 07:09:55,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 07:09:55,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 07:09:55,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 07:09:55,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 07:09:55,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 07:09:55,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 07:09:55,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 07:09:55,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 07:09:55,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 07:09:55,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 07:09:55,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 07:09:55,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 07:09:55,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 07:09:55,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 07:09:55,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 07:09:55,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 07:09:55,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 07:09:55,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 07:09:55,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 07:09:55,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 07:09:55,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 07:09:55,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 07:09:55,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 07:09:55,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 07:09:55,933 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 07:09:55,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 07:09:55,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 07:09:55,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 07:09:55,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 07:09:55,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 07:09:55,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 07:09:55,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 07:09:55,935 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 07:09:55,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 07:09:55,935 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 07:09:55,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 07:09:55,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:09:55,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 07:09:55,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 07:09:55,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 07:09:55,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 07:09:55,938 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 07:09:55,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 07:09:56,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 07:09:56,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 07:09:56,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 07:09:56,157 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 07:09:56,159 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 07:09:56,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-05-04 07:09:56,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52831b888/9c3d68cca98b4ecaa7de9a9ae0c71003/FLAG671937e38 [2023-05-04 07:09:56,564 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 07:09:56,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-05-04 07:09:56,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52831b888/9c3d68cca98b4ecaa7de9a9ae0c71003/FLAG671937e38 [2023-05-04 07:09:56,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52831b888/9c3d68cca98b4ecaa7de9a9ae0c71003 [2023-05-04 07:09:56,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 07:09:56,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 07:09:56,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 07:09:56,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 07:09:56,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 07:09:56,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a97065f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56, skipping insertion in model container [2023-05-04 07:09:56,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 07:09:56,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 07:09:56,738 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/test-easy1.wvr.c[1876,1889] [2023-05-04 07:09:56,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:09:56,745 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 07:09:56,756 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/test-easy1.wvr.c[1876,1889] [2023-05-04 07:09:56,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:09:56,766 INFO L208 MainTranslator]: Completed translation [2023-05-04 07:09:56,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56 WrapperNode [2023-05-04 07:09:56,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 07:09:56,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 07:09:56,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 07:09:56,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 07:09:56,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,795 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-05-04 07:09:56,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 07:09:56,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 07:09:56,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 07:09:56,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 07:09:56,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,818 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 07:09:56,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 07:09:56,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 07:09:56,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 07:09:56,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (1/1) ... [2023-05-04 07:09:56,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:09:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:09:56,853 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 07:09:56,858 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 07:09:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 07:09:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 07:09:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 07:09:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 07:09:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 07:09:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 07:09:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 07:09:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 07:09:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 07:09:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 07:09:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 07:09:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 07:09:56,882 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 07:09:56,938 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 07:09:56,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 07:09:57,055 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 07:09:57,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 07:09:57,062 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 07:09:57,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:09:57 BoogieIcfgContainer [2023-05-04 07:09:57,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 07:09:57,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 07:09:57,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 07:09:57,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 07:09:57,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:09:56" (1/3) ... [2023-05-04 07:09:57,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575fe338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:09:57, skipping insertion in model container [2023-05-04 07:09:57,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:09:56" (2/3) ... [2023-05-04 07:09:57,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575fe338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:09:57, skipping insertion in model container [2023-05-04 07:09:57,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:09:57" (3/3) ... [2023-05-04 07:09:57,101 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy1.wvr.c [2023-05-04 07:09:57,106 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 07:09:57,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 07:09:57,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 07:09:57,120 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 07:09:57,158 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 07:09:57,193 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:09:57,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:09:57,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:09:57,195 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 07:09:57,196 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 07:09:57,219 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:09:57,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 07:09:57,235 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;@34027712, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:09:57,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 07:09:57,379 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 07:09:57,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:09:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash 936557954, now seen corresponding path program 1 times [2023-05-04 07:09:57,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:09:57,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849850497] [2023-05-04 07:09:57,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:09:57,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:09:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:09:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 07:09:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:09:57,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849850497] [2023-05-04 07:09:57,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849850497] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:09:57,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:09:57,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:09:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726874860] [2023-05-04 07:09:57,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:09:57,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:09:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:09:57,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:09:57,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:09:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:57,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:09:57,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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 07:09:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:57,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 07:09:57,644 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 07:09:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:09:57,645 INFO L85 PathProgramCache]: Analyzing trace with hash 672659535, now seen corresponding path program 1 times [2023-05-04 07:09:57,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:09:57,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539235688] [2023-05-04 07:09:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:09:57,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:09:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:09:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 07:09:58,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:09:58,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539235688] [2023-05-04 07:09:58,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539235688] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:09:58,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189847872] [2023-05-04 07:09:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:09:58,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:09:58,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:09:58,008 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 07:09:58,026 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 07:09:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:09:58,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-04 07:09:58,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:09:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:09:58,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:09:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:09:58,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189847872] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 07:09:58,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 07:09:58,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7, 10] total 22 [2023-05-04 07:09:58,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172719287] [2023-05-04 07:09:58,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:09:58,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 07:09:58,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:09:58,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 07:09:58,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-05-04 07:09:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:58,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:09:58,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 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 07:09:58,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:58,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:09:58,840 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 07:09:59,043 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 07:09:59,043 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 07:09:59,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:09:59,044 INFO L85 PathProgramCache]: Analyzing trace with hash 316968596, now seen corresponding path program 2 times [2023-05-04 07:09:59,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:09:59,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513903722] [2023-05-04 07:09:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:09:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:09:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:09:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 07:09:59,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:09:59,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513903722] [2023-05-04 07:09:59,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513903722] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:09:59,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442919242] [2023-05-04 07:09:59,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:09:59,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:09:59,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:09:59,202 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 07:09:59,233 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 07:09:59,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:09:59,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:09:59,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 07:09:59,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:09:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:09:59,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:09:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:09:59,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442919242] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 07:09:59,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 07:09:59,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 8] total 17 [2023-05-04 07:09:59,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831804488] [2023-05-04 07:09:59,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:09:59,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 07:09:59,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:09:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 07:09:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2023-05-04 07:09:59,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:59,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:09:59,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 07:09:59,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:59,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:09:59,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:09:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:09:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:09:59,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 07:09:59,905 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 07:09:59,905 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 07:09:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:09:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1449688194, now seen corresponding path program 1 times [2023-05-04 07:09:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:09:59,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835095630] [2023-05-04 07:09:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:09:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:09:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 07:10:00,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:00,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835095630] [2023-05-04 07:10:00,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835095630] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:00,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973092114] [2023-05-04 07:10:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:00,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:00,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:00,080 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 07:10:00,092 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 07:10:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:00,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 07:10:00,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:00,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:00,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973092114] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:00,589 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:00,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2023-05-04 07:10:00,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647548855] [2023-05-04 07:10:00,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:00,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-04 07:10:00,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:00,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-04 07:10:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2023-05-04 07:10:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:00,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:00,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.333333333333333) internal successors, (130), 30 states have internal predecessors, (130), 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 07:10:00,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:00,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:00,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:10:00,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:10:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 07:10:01,188 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 07:10:01,371 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 07:10:01,371 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 07:10:01,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:01,372 INFO L85 PathProgramCache]: Analyzing trace with hash -690119070, now seen corresponding path program 2 times [2023-05-04 07:10:01,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:01,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812587327] [2023-05-04 07:10:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:01,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 07:10:01,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:01,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812587327] [2023-05-04 07:10:01,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812587327] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:01,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16285844] [2023-05-04 07:10:01,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:10:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:01,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:01,598 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 07:10:01,617 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 07:10:01,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:10:01,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:10:01,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-04 07:10:01,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:02,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 07:10:02,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16285844] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:02,330 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:02,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 14] total 36 [2023-05-04 07:10:02,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881976833] [2023-05-04 07:10:02,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:02,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-04 07:10:02,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:02,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-04 07:10:02,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2023-05-04 07:10:02,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:02,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:02,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.833333333333333) internal successors, (174), 36 states have internal predecessors, (174), 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 07:10:02,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:02,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:02,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:10:02,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 07:10:02,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-04 07:10:03,956 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 07:10:04,139 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 07:10:04,140 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 07:10:04,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:04,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1271361227, now seen corresponding path program 3 times [2023-05-04 07:10:04,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:04,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596069023] [2023-05-04 07:10:04,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:04,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 07:10:04,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:04,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596069023] [2023-05-04 07:10:04,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596069023] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:04,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008146183] [2023-05-04 07:10:04,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 07:10:04,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:04,379 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 07:10:04,418 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 07:10:04,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-04 07:10:04,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:10:04,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjunts are in the unsatisfiable core [2023-05-04 07:10:04,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:04,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:05,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008146183] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:05,091 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:05,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 43 [2023-05-04 07:10:05,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061719888] [2023-05-04 07:10:05,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:05,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-04 07:10:05,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:05,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-04 07:10:05,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1582, Unknown=0, NotChecked=0, Total=1806 [2023-05-04 07:10:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:05,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:05,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.7674418604651163) internal successors, (162), 43 states have internal predecessors, (162), 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 07:10:05,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:05,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:05,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:05,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:05,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-04 07:10:05,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 07:10:07,031 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 07:10:07,206 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 07:10:07,207 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:10:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 604170912, now seen corresponding path program 4 times [2023-05-04 07:10:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:07,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911413661] [2023-05-04 07:10:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-04 07:10:07,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:07,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911413661] [2023-05-04 07:10:07,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911413661] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:07,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306329863] [2023-05-04 07:10:07,522 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 07:10:07,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:07,523 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:10:07,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 07:10:07,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 07:10:07,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:10:07,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 07:10:07,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:08,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 07:10:08,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306329863] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:08,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:08,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 17] total 43 [2023-05-04 07:10:08,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38690909] [2023-05-04 07:10:08,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:08,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-04 07:10:08,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:08,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-04 07:10:08,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1675, Unknown=0, NotChecked=0, Total=1806 [2023-05-04 07:10:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:08,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:08,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.348837209302325) internal successors, (187), 43 states have internal predecessors, (187), 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 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 07:10:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-04 07:10:11,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 07:10:11,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:11,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:10:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1901722045, now seen corresponding path program 5 times [2023-05-04 07:10:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:11,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000522238] [2023-05-04 07:10:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:11,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 46 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 07:10:11,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:11,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000522238] [2023-05-04 07:10:11,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000522238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:11,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638410343] [2023-05-04 07:10:11,480 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 07:10:11,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:11,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:11,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:10:11,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 07:10:11,575 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-04 07:10:11,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:10:11,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 07:10:11,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:11,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 27 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:12,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638410343] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:12,445 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:12,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 22, 22] total 54 [2023-05-04 07:10:12,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58502047] [2023-05-04 07:10:12,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:12,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 07:10:12,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 07:10:12,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2540, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 07:10:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:12,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:12,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.5185185185185186) internal successors, (190), 54 states have internal predecessors, (190), 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 07:10:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:12,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:12,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-04 07:10:12,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:10:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 07:10:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-04 07:10:14,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 07:10:15,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-04 07:10:15,169 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:10:15,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:15,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1201105088, now seen corresponding path program 6 times [2023-05-04 07:10:15,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:15,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605660358] [2023-05-04 07:10:15,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:15,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 07:10:15,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:15,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605660358] [2023-05-04 07:10:15,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605660358] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:15,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885189447] [2023-05-04 07:10:15,332 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 07:10:15,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:15,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:15,346 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:10:15,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 07:10:15,407 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-04 07:10:15,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:10:15,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-04 07:10:15,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 07:10:15,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 07:10:15,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885189447] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:15,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:15,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 20 [2023-05-04 07:10:15,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719009582] [2023-05-04 07:10:15,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:15,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 07:10:15,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:15,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 07:10:15,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2023-05-04 07:10:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:15,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:15,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 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 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 07:10:15,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-05-04 07:10:15,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-04 07:10:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:10:16,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 07:10:16,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:16,513 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:10:16,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:16,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1946076034, now seen corresponding path program 7 times [2023-05-04 07:10:16,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:16,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239343653] [2023-05-04 07:10:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:16,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 56 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-04 07:10:16,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:16,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239343653] [2023-05-04 07:10:16,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239343653] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:16,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111348206] [2023-05-04 07:10:16,680 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 07:10:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:16,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:10:16,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 07:10:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:16,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-04 07:10:16,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-04 07:10:16,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 55 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-04 07:10:17,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111348206] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:17,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:17,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 14] total 25 [2023-05-04 07:10:17,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514818553] [2023-05-04 07:10:17,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:17,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-04 07:10:17,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:17,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-04 07:10:17,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2023-05-04 07:10:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:17,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:17,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.28) internal successors, (107), 25 states have internal predecessors, (107), 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 07:10:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:10:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:18,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 07:10:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-04 07:10:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:10:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 07:10:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-04 07:10:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:10:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 07:10:18,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 07:10:19,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 07:10:19,037 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:10:19,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:10:19,037 INFO L85 PathProgramCache]: Analyzing trace with hash -986474846, now seen corresponding path program 8 times [2023-05-04 07:10:19,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:10:19,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038487658] [2023-05-04 07:10:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:10:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:10:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:10:19,169 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 07:10:19,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:10:19,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038487658] [2023-05-04 07:10:19,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038487658] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:10:19,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853711544] [2023-05-04 07:10:19,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:10:19,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:10:19,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:10:19,171 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:10:19,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 07:10:19,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:10:19,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:10:19,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 07:10:19,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:10:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:19,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:10:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:10:19,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853711544] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:10:19,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:10:19,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 35 [2023-05-04 07:10:19,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426278015] [2023-05-04 07:10:19,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:10:19,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-04 07:10:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:10:19,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-04 07:10:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2023-05-04 07:10:19,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:19,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:10:19,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.4) internal successors, (154), 35 states have internal predecessors, (154), 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 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 07:10:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-05-04 07:10:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:10:23,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 07:10:23,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 07:10:23,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 07:10:23,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 07:10:23,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 07:10:23,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 07:10:23,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-04 07:10:23,263 INFO L444 BasicCegarLoop]: Path program histogram: [8, 2, 1] [2023-05-04 07:10:23,265 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:10:23,265 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:10:23,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:10:23 BasicIcfg [2023-05-04 07:10:23,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:10:23,271 INFO L158 Benchmark]: Toolchain (without parser) took 26683.37ms. Allocated memory was 183.5MB in the beginning and 381.7MB in the end (delta: 198.2MB). Free memory was 152.1MB in the beginning and 162.3MB in the end (delta: -10.2MB). Peak memory consumption was 188.6MB. Max. memory is 8.0GB. [2023-05-04 07:10:23,272 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:10:23,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.77ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 151.9MB in the beginning and 189.4MB in the end (delta: -37.5MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2023-05-04 07:10:23,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.43ms. Allocated memory is still 220.2MB. Free memory was 189.4MB in the beginning and 187.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 07:10:23,272 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 220.2MB. Free memory was 187.7MB in the beginning and 186.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 07:10:23,273 INFO L158 Benchmark]: RCFGBuilder took 243.11ms. Allocated memory is still 220.2MB. Free memory was 186.7MB in the beginning and 174.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-04 07:10:23,273 INFO L158 Benchmark]: TraceAbstraction took 26190.98ms. Allocated memory was 220.2MB in the beginning and 381.7MB in the end (delta: 161.5MB). Free memory was 173.4MB in the beginning and 162.3MB in the end (delta: 11.0MB). Peak memory consumption was 174.3MB. Max. memory is 8.0GB. [2023-05-04 07:10:23,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.77ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 151.9MB in the beginning and 189.4MB in the end (delta: -37.5MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.43ms. Allocated memory is still 220.2MB. Free memory was 189.4MB in the beginning and 187.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 220.2MB. Free memory was 187.7MB in the beginning and 186.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 243.11ms. Allocated memory is still 220.2MB. Free memory was 186.7MB in the beginning and 174.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 26190.98ms. Allocated memory was 220.2MB in the beginning and 381.7MB in the end (delta: 161.5MB). Free memory was 173.4MB in the beginning and 162.3MB in the end (delta: 11.0MB). Peak memory consumption was 174.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7473, independent: 5604, independent conditional: 4820, independent unconditional: 784, dependent: 1869, dependent conditional: 1863, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5610, independent: 5604, independent conditional: 4820, independent unconditional: 784, 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: 5610, independent: 5604, independent conditional: 4820, independent unconditional: 784, 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: 5610, independent: 5604, independent conditional: 0, independent unconditional: 5604, 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: 5610, independent: 5604, independent conditional: 0, independent unconditional: 5604, 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: 5610, independent: 5604, independent conditional: 0, independent unconditional: 5604, 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: 651, independent: 645, independent conditional: 0, independent unconditional: 645, 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: 651, independent: 645, independent conditional: 0, independent unconditional: 645, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, 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: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5610, independent: 4959, independent conditional: 0, independent unconditional: 4959, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 651, unknown conditional: 0, unknown unconditional: 651] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 645, Positive conditional cache size: 0, Positive unconditional cache size: 645, 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: 1863 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 381, Number of trivial persistent sets: 242, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 790, independent: 784, independent conditional: 0, independent unconditional: 784, 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: 7473, independent: 5604, independent conditional: 4820, independent unconditional: 784, dependent: 1869, dependent conditional: 1863, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5610, independent: 5604, independent conditional: 4820, independent unconditional: 784, 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: 5610, independent: 5604, independent conditional: 4820, independent unconditional: 784, 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: 5610, independent: 5604, independent conditional: 0, independent unconditional: 5604, 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: 5610, independent: 5604, independent conditional: 0, independent unconditional: 5604, 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: 5610, independent: 5604, independent conditional: 0, independent unconditional: 5604, 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: 651, independent: 645, independent conditional: 0, independent unconditional: 645, 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: 651, independent: 645, independent conditional: 0, independent unconditional: 645, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, 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: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5610, independent: 4959, independent conditional: 0, independent unconditional: 4959, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 651, unknown conditional: 0, unknown unconditional: 651] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 645, Positive conditional cache size: 0, Positive unconditional cache size: 645, 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: 1863 - PositiveResult [Line: 70]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 95 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 26.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 15.4s, 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: 570, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 1787 NumberOfCodeBlocks, 1771 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2614 ConstructedInterpolants, 0 QuantifiedInterpolants, 9892 SizeOfPredicates, 154 NumberOfNonLiveVariables, 1762 ConjunctsInSsa, 248 ConjunctsInUnsatCore, 31 InterpolantComputations, 3 PerfectInterpolantSequences, 1073/1500 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 07:10:23,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 07:10:23,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...