/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/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:06:08,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:06:08,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:06:08,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:06:08,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:06:08,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:06:08,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:06:08,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:06:08,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:06:08,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:06:08,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:06:08,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:06:08,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:06:08,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:06:08,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:06:08,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:06:08,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:06:08,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:06:08,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:06:08,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:06:08,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:06:08,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:06:08,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:06:08,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:06:08,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:06:08,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:06:08,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:06:08,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:06:08,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:06:08,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:06:08,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:06:08,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:06:08,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:06:08,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:06:08,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:06:08,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:06:08,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:06:08,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:06:08,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:06:08,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:06:08,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:06:08,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:06:08,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:06:08,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:06:08,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:06:08,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:06:08,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:06:08,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:06:08,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:06:08,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:06:08,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:06:08,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:06:08,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:06:08,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:06:08,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:06:08,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:06:08,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:06:08,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:06:08,777 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:06:08,778 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:06:08,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:06:08,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:06:08,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:06:08,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:06:08,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:06:08,956 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:06:08,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-11-16 03:06:09,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0275812ae/6751ebbd235a45ec9b39f7aa28e16dc5/FLAG8488eb3b9 [2022-11-16 03:06:09,376 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:06:09,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-11-16 03:06:09,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0275812ae/6751ebbd235a45ec9b39f7aa28e16dc5/FLAG8488eb3b9 [2022-11-16 03:06:09,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0275812ae/6751ebbd235a45ec9b39f7aa28e16dc5 [2022-11-16 03:06:09,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:06:09,395 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:06:09,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:06:09,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:06:09,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:06:09,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09, skipping insertion in model container [2022-11-16 03:06:09,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:06:09,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:06:09,562 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-11-16 03:06:09,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:06:09,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:06:09,696 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-11-16 03:06:09,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:06:09,749 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:06:09,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09 WrapperNode [2022-11-16 03:06:09,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:06:09,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:06:09,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:06:09,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:06:09,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,784 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-16 03:06:09,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:06:09,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:06:09,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:06:09,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:06:09,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:06:09,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:06:09,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:06:09,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:06:09,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (1/1) ... [2022-11-16 03:06:09,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:06:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:09,853 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) [2022-11-16 03:06:09,891 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 03:06:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:06:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 03:06:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:06:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:06:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 03:06:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 03:06:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:06:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:06:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:06:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:06:09,921 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 03:06:10,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:06:10,033 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:06:10,227 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:06:10,232 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:06:10,232 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 03:06:10,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:06:10 BoogieIcfgContainer [2022-11-16 03:06:10,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:06:10,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:06:10,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:06:10,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:06:10,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:06:09" (1/3) ... [2022-11-16 03:06:10,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1416d8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:06:10, skipping insertion in model container [2022-11-16 03:06:10,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:09" (2/3) ... [2022-11-16 03:06:10,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1416d8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:06:10, skipping insertion in model container [2022-11-16 03:06:10,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:06:10" (3/3) ... [2022-11-16 03:06:10,240 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-11-16 03:06:10,246 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:06:10,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:06:10,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:06:10,252 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:06:10,288 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 03:06:10,330 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:10,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:06:10,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:10,337 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 03:06:10,338 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 03:06:10,363 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:06:10,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:06:10,383 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;@101dcd96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:10,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 03:06:10,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:06:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:10,563 INFO L85 PathProgramCache]: Analyzing trace with hash 699991634, now seen corresponding path program 1 times [2022-11-16 03:06:10,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:10,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269520766] [2022-11-16 03:06:10,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:10,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:10,948 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 03:06:10,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:10,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269520766] [2022-11-16 03:06:10,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269520766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:10,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:10,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 03:06:10,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025020709] [2022-11-16 03:06:10,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:10,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 03:06:10,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:11,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 03:06:11,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 03:06:11,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:11,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:11,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 03:06:11,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:06:11,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:06:11,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:11,146 INFO L85 PathProgramCache]: Analyzing trace with hash 3714282, now seen corresponding path program 2 times [2022-11-16 03:06:11,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:11,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787098925] [2022-11-16 03:06:11,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:11,437 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 03:06:11,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:11,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787098925] [2022-11-16 03:06:11,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787098925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:11,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:11,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:06:11,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675751761] [2022-11-16 03:06:11,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:11,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:06:11,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:11,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:06:11,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:06:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:11,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:11,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 03:06:11,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:11,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:06:11,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:06:11,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1398415782, now seen corresponding path program 3 times [2022-11-16 03:06:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:11,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227568188] [2022-11-16 03:06:11,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:11,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:11,899 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 03:06:11,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:11,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227568188] [2022-11-16 03:06:11,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227568188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:11,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:11,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:06:11,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539306992] [2022-11-16 03:06:11,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:11,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:06:11,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:11,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:06:11,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:06:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:11,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:11,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 03:06:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:11,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 03:06:11,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:06:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash 913601199, now seen corresponding path program 1 times [2022-11-16 03:06:11,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:11,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906216420] [2022-11-16 03:06:11,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:11,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 03:06:12,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 03:06:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 03:06:12,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 03:06:12,036 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 03:06:12,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-16 03:06:12,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-16 03:06:12,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 03:06:12,048 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 03:06:12,051 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:06:12,051 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:06:12,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:06:12 BasicIcfg [2022-11-16 03:06:12,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:06:12,093 INFO L158 Benchmark]: Toolchain (without parser) took 2697.47ms. Allocated memory is still 235.9MB. Free memory was 208.5MB in the beginning and 188.3MB in the end (delta: 20.2MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. [2022-11-16 03:06:12,093 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 173.0MB. Free memory was 126.2MB in the beginning and 126.0MB in the end (delta: 129.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:06:12,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.68ms. Allocated memory is still 235.9MB. Free memory was 208.5MB in the beginning and 196.6MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-11-16 03:06:12,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.19ms. Allocated memory is still 235.9MB. Free memory was 196.6MB in the beginning and 194.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:06:12,095 INFO L158 Benchmark]: Boogie Preprocessor took 14.87ms. Allocated memory is still 235.9MB. Free memory was 194.5MB in the beginning and 193.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 03:06:12,095 INFO L158 Benchmark]: RCFGBuilder took 433.46ms. Allocated memory is still 235.9MB. Free memory was 192.9MB in the beginning and 180.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-11-16 03:06:12,096 INFO L158 Benchmark]: TraceAbstraction took 1857.15ms. Allocated memory is still 235.9MB. Free memory was 180.3MB in the beginning and 188.3MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:06:12,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 173.0MB. Free memory was 126.2MB in the beginning and 126.0MB in the end (delta: 129.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 352.68ms. Allocated memory is still 235.9MB. Free memory was 208.5MB in the beginning and 196.6MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.19ms. Allocated memory is still 235.9MB. Free memory was 196.6MB in the beginning and 194.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.87ms. Allocated memory is still 235.9MB. Free memory was 194.5MB in the beginning and 193.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 433.46ms. Allocated memory is still 235.9MB. Free memory was 192.9MB in the beginning and 180.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1857.15ms. Allocated memory is still 235.9MB. Free memory was 180.3MB in the beginning and 188.3MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561, independent: 540, independent conditional: 204, independent unconditional: 336, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561, independent: 540, independent conditional: 204, independent unconditional: 336, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 561, independent: 540, independent conditional: 204, independent unconditional: 336, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 575, independent: 540, independent conditional: 4, independent unconditional: 536, dependent: 35, dependent conditional: 10, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 575, independent: 540, independent conditional: 4, independent unconditional: 536, dependent: 35, dependent conditional: 4, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 575, independent: 540, independent conditional: 4, independent unconditional: 536, dependent: 35, dependent conditional: 4, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, independent: 339, independent conditional: 3, independent unconditional: 336, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 355, independent: 324, independent conditional: 0, independent unconditional: 324, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 103, independent conditional: 12, independent unconditional: 91, dependent: 67, dependent conditional: 10, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 575, independent: 201, independent conditional: 1, independent unconditional: 200, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 355, unknown conditional: 6, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 129, Number of trivial persistent sets: 129, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 349, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561, independent: 540, independent conditional: 204, independent unconditional: 336, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561, independent: 540, independent conditional: 204, independent unconditional: 336, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 561, independent: 540, independent conditional: 204, independent unconditional: 336, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 575, independent: 540, independent conditional: 4, independent unconditional: 536, dependent: 35, dependent conditional: 10, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 575, independent: 540, independent conditional: 4, independent unconditional: 536, dependent: 35, dependent conditional: 4, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 575, independent: 540, independent conditional: 4, independent unconditional: 536, dependent: 35, dependent conditional: 4, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, independent: 339, independent conditional: 3, independent unconditional: 336, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 355, independent: 324, independent conditional: 0, independent unconditional: 324, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 103, independent conditional: 12, independent unconditional: 91, dependent: 67, dependent conditional: 10, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 575, independent: 201, independent conditional: 1, independent unconditional: 200, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 355, unknown conditional: 6, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 2, Independence queries for same thread: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}] [L681] 0 int g = 0; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: 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 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, 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: 15, 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, 0.7s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 03:06:12,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-16 03:06:12,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...