/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.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 02:51:12,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 02:51:12,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 02:51:12,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 02:51:12,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 02:51:12,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 02:51:12,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 02:51:12,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 02:51:12,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 02:51:12,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 02:51:12,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 02:51:12,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 02:51:12,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 02:51:12,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 02:51:12,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 02:51:12,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 02:51:12,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 02:51:12,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 02:51:12,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 02:51:12,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 02:51:12,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 02:51:12,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 02:51:12,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 02:51:12,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 02:51:12,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 02:51:12,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 02:51:12,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 02:51:12,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 02:51:12,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 02:51:12,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 02:51:12,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 02:51:12,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 02:51:12,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 02:51:12,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 02:51:12,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 02:51:12,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 02:51:12,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 02:51:12,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 02:51:12,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 02:51:12,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 02:51:12,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 02:51:12,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 02:51:12,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 02:51:12,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 02:51:12,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 02:51:12,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 02:51:12,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 02:51:12,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 02:51:12,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 02:51:12,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 02:51:12,936 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 02:51:12,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 02:51:12,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 02:51:12,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 02:51:12,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 02:51:12,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 02:51:12,939 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 02:51:12,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 02:51:13,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 02:51:13,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 02:51:13,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 02:51:13,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 02:51:13,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 02:51:13,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2022-11-16 02:51:13,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5c1dd89/14c204bd71514f0cb731ef8ebbe8e33b/FLAG2ec43d4fe [2022-11-16 02:51:13,579 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 02:51:13,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2022-11-16 02:51:13,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5c1dd89/14c204bd71514f0cb731ef8ebbe8e33b/FLAG2ec43d4fe [2022-11-16 02:51:13,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5c1dd89/14c204bd71514f0cb731ef8ebbe8e33b [2022-11-16 02:51:13,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 02:51:13,935 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 02:51:13,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 02:51:13,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 02:51:13,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 02:51:13,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:51:13" (1/1) ... [2022-11-16 02:51:13,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa47d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:13, skipping insertion in model container [2022-11-16 02:51:13,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:51:13" (1/1) ... [2022-11-16 02:51:13,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 02:51:13,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 02:51:14,288 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2022-11-16 02:51:14,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 02:51:14,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 02:51:14,335 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2022-11-16 02:51:14,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 02:51:14,362 INFO L208 MainTranslator]: Completed translation [2022-11-16 02:51:14,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14 WrapperNode [2022-11-16 02:51:14,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 02:51:14,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 02:51:14,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 02:51:14,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 02:51:14,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,406 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-11-16 02:51:14,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 02:51:14,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 02:51:14,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 02:51:14,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 02:51:14,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,435 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 02:51:14,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 02:51:14,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 02:51:14,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 02:51:14,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (1/1) ... [2022-11-16 02:51:14,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 02:51:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:51:14,463 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) [2022-11-16 02:51:14,516 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 [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 02:51:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 02:51:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 02:51:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 02:51:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 02:51:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 02:51:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 02:51:14,530 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 02:51:14,633 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 02:51:14,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 02:51:14,735 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 02:51:14,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 02:51:14,739 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 02:51:14,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 02:51:14 BoogieIcfgContainer [2022-11-16 02:51:14,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 02:51:14,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 02:51:14,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 02:51:14,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 02:51:14,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:51:13" (1/3) ... [2022-11-16 02:51:14,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ec6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:51:14, skipping insertion in model container [2022-11-16 02:51:14,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:14" (2/3) ... [2022-11-16 02:51:14,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ec6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:51:14, skipping insertion in model container [2022-11-16 02:51:14,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 02:51:14" (3/3) ... [2022-11-16 02:51:14,754 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2022-11-16 02:51:14,760 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 02:51:14,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 02:51:14,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 02:51:14,767 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 02:51:14,815 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 02:51:14,848 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 02:51:14,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 02:51:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:51:14,852 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) [2022-11-16 02:51:14,853 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 [2022-11-16 02:51:14,894 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 02:51:14,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 02:51:14,919 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;@6bf46f7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 02:51:14,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 02:51:15,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:51:15,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:51:15,082 INFO L85 PathProgramCache]: Analyzing trace with hash 346572131, now seen corresponding path program 1 times [2022-11-16 02:51:15,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:51:15,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815156954] [2022-11-16 02:51:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:51:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:51:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:51:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:51:15,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:51:15,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815156954] [2022-11-16 02:51:15,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815156954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 02:51:15,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 02:51:15,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 02:51:15,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48428249] [2022-11-16 02:51:15,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 02:51:15,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 02:51:15,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:51:15,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 02:51:15,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 02:51:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:15,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:51:15,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-11-16 02:51:15,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 02:51:15,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 02:51:15,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:51:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:51:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1961507249, now seen corresponding path program 1 times [2022-11-16 02:51:15,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:51:15,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283130831] [2022-11-16 02:51:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:51:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:51:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:51:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:51:15,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:51:15,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283130831] [2022-11-16 02:51:15,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283130831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 02:51:15,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 02:51:15,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 02:51:15,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444521234] [2022-11-16 02:51:15,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 02:51:15,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 02:51:15,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:51:15,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 02:51:15,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 02:51:15,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:15,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:51:15,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-16 02:51:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 02:51:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 02:51:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 02:51:15,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 02:51:15,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:51:15,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:51:15,835 INFO L85 PathProgramCache]: Analyzing trace with hash 712492280, now seen corresponding path program 1 times [2022-11-16 02:51:15,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:51:15,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543988208] [2022-11-16 02:51:15,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:51:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:51:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:51:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:51:16,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:51:16,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543988208] [2022-11-16 02:51:16,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543988208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 02:51:16,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 02:51:16,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 02:51:16,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320683680] [2022-11-16 02:51:16,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 02:51:16,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 02:51:16,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:51:16,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 02:51:16,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 02:51:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:16,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:51:16,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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) [2022-11-16 02:51:16,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 02:51:16,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 02:51:16,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 02:51:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 02:51:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 02:51:16,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 02:51:16,210 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:51:16,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:51:16,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1487892915, now seen corresponding path program 2 times [2022-11-16 02:51:16,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:51:16,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968429603] [2022-11-16 02:51:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:51:16,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:51:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:51:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:51:16,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:51:16,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968429603] [2022-11-16 02:51:16,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968429603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 02:51:16,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828341396] [2022-11-16 02:51:16,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 02:51:16,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:51:16,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:51:16,419 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) [2022-11-16 02:51:16,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 02:51:16,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 02:51:16,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 02:51:16,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 02:51:16,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 02:51:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:51:16,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 02:51:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:51:16,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828341396] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 02:51:16,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 02:51:16,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2022-11-16 02:51:16,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710767004] [2022-11-16 02:51:16,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 02:51:16,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 02:51:16,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:51:16,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 02:51:16,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2022-11-16 02:51:16,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:16,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:51:16,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 18 states have internal predecessors, (135), 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) [2022-11-16 02:51:16,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 02:51:16,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 02:51:16,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 02:51:16,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:51:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 02:51:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 02:51:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 02:51:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 02:51:17,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 02:51:17,363 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,SelfDestructingSolverStorable3 [2022-11-16 02:51:17,363 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:51:17,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:51:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash 137544908, now seen corresponding path program 3 times [2022-11-16 02:51:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:51:17,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901064817] [2022-11-16 02:51:17,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:51:17,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:51:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 02:51:17,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 02:51:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 02:51:17,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 02:51:17,448 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 02:51:17,449 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 02:51:17,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 02:51:17,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 02:51:17,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 02:51:17,459 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-16 02:51:17,463 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 02:51:17,463 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 02:51:17,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 02:51:17 BasicIcfg [2022-11-16 02:51:17,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 02:51:17,530 INFO L158 Benchmark]: Toolchain (without parser) took 3594.42ms. Allocated memory was 179.3MB in the beginning and 259.0MB in the end (delta: 79.7MB). Free memory was 148.2MB in the beginning and 187.3MB in the end (delta: -39.0MB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. [2022-11-16 02:51:17,530 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 02:51:17,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.17ms. Allocated memory was 179.3MB in the beginning and 259.0MB in the end (delta: 79.7MB). Free memory was 148.2MB in the beginning and 218.7MB in the end (delta: -70.5MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-11-16 02:51:17,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 259.0MB. Free memory was 218.7MB in the beginning and 216.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 02:51:17,536 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 259.0MB. Free memory was 216.7MB in the beginning and 215.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 02:51:17,538 INFO L158 Benchmark]: RCFGBuilder took 303.81ms. Allocated memory is still 259.0MB. Free memory was 215.3MB in the beginning and 202.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-16 02:51:17,539 INFO L158 Benchmark]: TraceAbstraction took 2786.97ms. Allocated memory is still 259.0MB. Free memory was 202.2MB in the beginning and 187.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-11-16 02:51:17,543 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 179.3MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.17ms. Allocated memory was 179.3MB in the beginning and 259.0MB in the end (delta: 79.7MB). Free memory was 148.2MB in the beginning and 218.7MB in the end (delta: -70.5MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 259.0MB. Free memory was 218.7MB in the beginning and 216.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 259.0MB. Free memory was 216.7MB in the beginning and 215.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 303.81ms. Allocated memory is still 259.0MB. Free memory was 215.3MB in the beginning and 202.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2786.97ms. Allocated memory is still 259.0MB. Free memory was 202.2MB in the beginning and 187.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3430, independent: 2664, independent conditional: 1774, independent unconditional: 890, dependent: 766, dependent conditional: 760, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2674, independent: 2664, independent conditional: 1774, independent unconditional: 890, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2674, independent: 2664, independent conditional: 1774, independent unconditional: 890, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2698, independent: 2664, independent conditional: 20, independent unconditional: 2644, dependent: 34, dependent conditional: 4, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2698, independent: 2664, independent conditional: 20, independent unconditional: 2644, dependent: 34, dependent conditional: 4, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2698, independent: 2664, independent conditional: 20, independent unconditional: 2644, dependent: 34, dependent conditional: 4, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 862, independent: 852, independent conditional: 10, independent unconditional: 842, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 862, independent: 841, independent conditional: 0, independent unconditional: 841, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 66, independent conditional: 15, independent unconditional: 51, dependent: 40, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2698, independent: 1812, independent conditional: 10, independent unconditional: 1802, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 862, unknown conditional: 14, unknown unconditional: 848] , Statistics on independence cache: Total cache size (in pairs): 862, Positive cache size: 852, Positive conditional cache size: 10, Positive unconditional cache size: 842, Negative cache size: 10, Negative conditional cache size: 4, 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: 1, Independence queries for same thread: 756 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 71, Number of trivial persistent sets: 46, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 896, independent: 890, independent conditional: 0, independent unconditional: 890, 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: 3430, independent: 2664, independent conditional: 1774, independent unconditional: 890, dependent: 766, dependent conditional: 760, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2674, independent: 2664, independent conditional: 1774, independent unconditional: 890, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2674, independent: 2664, independent conditional: 1774, independent unconditional: 890, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2698, independent: 2664, independent conditional: 20, independent unconditional: 2644, dependent: 34, dependent conditional: 4, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2698, independent: 2664, independent conditional: 20, independent unconditional: 2644, dependent: 34, dependent conditional: 4, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2698, independent: 2664, independent conditional: 20, independent unconditional: 2644, dependent: 34, dependent conditional: 4, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 862, independent: 852, independent conditional: 10, independent unconditional: 842, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 862, independent: 841, independent conditional: 0, independent unconditional: 841, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 11, independent conditional: 10, independent unconditional: 1, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 66, independent conditional: 15, independent unconditional: 51, dependent: 40, dependent conditional: 9, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2698, independent: 1812, independent conditional: 10, independent unconditional: 1802, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 862, unknown conditional: 14, unknown unconditional: 848] , Statistics on independence cache: Total cache size (in pairs): 862, Positive cache size: 852, Positive conditional cache size: 10, Positive unconditional cache size: 842, Negative cache size: 10, Negative conditional cache size: 4, 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: 1, Independence queries for same thread: 756 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, pthread_create(&id1, ((void *)0), t1, ((void *)0))=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, k=0, pthread_create(&id2, ((void *)0), t2, ((void *)0))=7] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L716] 0 int condI = i >= (2*5 +6); VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, i=3, id1={5:0}, id2={3:0}, j=6, k=0, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L719] 0 int condJ = j >= (2*5 +6); VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=5, k=5] [L721] COND TRUE 0 condI || condJ VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=5, k=5] [L722] 0 reach_error() VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=5, k=5] - UnprovableResult [Line: 713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.6s, 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: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1627 SizeOfPredicates, 6 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 02:51:17,559 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 [2022-11-16 02:51:17,762 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...