/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 00:11:55,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 00:11:55,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 00:11:55,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 00:11:55,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 00:11:55,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 00:11:55,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 00:11:55,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 00:11:55,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 00:11:55,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 00:11:55,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 00:11:55,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 00:11:55,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 00:11:55,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 00:11:55,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 00:11:55,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 00:11:55,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 00:11:55,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 00:11:55,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 00:11:55,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 00:11:55,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 00:11:55,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 00:11:55,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 00:11:55,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 00:11:55,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 00:11:55,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 00:11:55,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 00:11:55,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 00:11:55,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 00:11:55,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 00:11:55,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 00:11:55,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 00:11:55,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 00:11:55,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 00:11:55,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 00:11:55,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 00:11:55,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 00:11:55,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 00:11:55,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 00:11:55,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 00:11:55,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 00:11:55,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-09 00:11:55,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 00:11:55,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 00:11:55,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 00:11:55,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 00:11:55,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 00:11:55,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 00:11:55,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 00:11:55,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 00:11:55,512 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 00:11:55,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 00:11:55,513 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 00:11:55,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 00:11:55,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 00:11:55,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 00:11:55,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 00:11:55,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 00:11:55,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 00:11:55,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 00:11:55,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 00:11:55,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 00:11:55,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 00:11:55,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 00:11:55,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 00:11:55,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 00:11:55,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 00:11:55,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:11:55,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 00:11:55,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 00:11:55,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 00:11:55,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 00:11:55,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 00:11:55,519 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 00:11:55,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 00:11:55,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 00:11:55,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 00:11:55,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 00:11:55,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 00:11:55,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 00:11:55,745 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 00:11:55,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-09 00:11:55,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7bfd7df9/9ff341368f754aa59173f16ecfee58fe/FLAGe17e34ae2 [2022-02-09 00:11:56,294 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 00:11:56,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-09 00:11:56,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7bfd7df9/9ff341368f754aa59173f16ecfee58fe/FLAGe17e34ae2 [2022-02-09 00:11:56,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7bfd7df9/9ff341368f754aa59173f16ecfee58fe [2022-02-09 00:11:56,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 00:11:56,584 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 00:11:56,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 00:11:56,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 00:11:56,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 00:11:56,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:11:56" (1/1) ... [2022-02-09 00:11:56,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2801ed26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:56, skipping insertion in model container [2022-02-09 00:11:56,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:11:56" (1/1) ... [2022-02-09 00:11:56,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 00:11:56,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 00:11:56,826 WARN L230 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-02-09 00:11:56,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:11:56,963 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 00:11:56,977 WARN L230 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-02-09 00:11:56,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:11:57,028 INFO L208 MainTranslator]: Completed translation [2022-02-09 00:11:57,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57 WrapperNode [2022-02-09 00:11:57,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 00:11:57,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 00:11:57,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 00:11:57,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 00:11:57,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,079 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-09 00:11:57,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 00:11:57,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 00:11:57,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 00:11:57,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 00:11:57,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 00:11:57,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 00:11:57,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 00:11:57,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 00:11:57,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (1/1) ... [2022-02-09 00:11:57,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:11:57,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:11:57,162 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) [2022-02-09 00:11:57,205 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 [2022-02-09 00:11:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 00:11:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 00:11:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 00:11:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 00:11:57,229 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 00:11:57,372 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 00:11:57,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 00:11:57,555 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 00:11:57,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 00:11:57,561 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 00:11:57,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:11:57 BoogieIcfgContainer [2022-02-09 00:11:57,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 00:11:57,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 00:11:57,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 00:11:57,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 00:11:57,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:11:56" (1/3) ... [2022-02-09 00:11:57,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19eb7a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:11:57, skipping insertion in model container [2022-02-09 00:11:57,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:11:57" (2/3) ... [2022-02-09 00:11:57,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19eb7a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:11:57, skipping insertion in model container [2022-02-09 00:11:57,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:11:57" (3/3) ... [2022-02-09 00:11:57,570 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-09 00:11:57,575 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 00:11:57,575 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 00:11:57,575 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 00:11:57,575 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 00:11:57,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,600 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,600 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,601 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,601 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,608 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,609 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:11:57,612 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 00:11:57,650 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:11:57,655 INFO L339 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 00:11:57,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 00:11:57,667 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 150 flow [2022-02-09 00:11:57,699 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) [2022-02-09 00:11:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) [2022-02-09 00:11:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-09 00:11:57,709 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:11:57,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:11:57,710 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:11:57,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:11:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-09 00:11:57,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:11:57,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710307133] [2022-02-09 00:11:57,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:11:57,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:11:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:11:57,839 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 00:11:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:11:57,901 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 00:11:57,903 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 00:11:57,904 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-09 00:11:57,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 00:11:57,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 00:11:57,910 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 00:11:57,914 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 00:11:57,914 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 00:11:57,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 12:11:57 BasicIcfg [2022-02-09 00:11:57,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 00:11:57,952 INFO L158 Benchmark]: Toolchain (without parser) took 1368.53ms. Allocated memory was 185.6MB in the beginning and 278.9MB in the end (delta: 93.3MB). Free memory was 129.0MB in the beginning and 204.9MB in the end (delta: -75.9MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. [2022-02-09 00:11:57,953 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 00:11:57,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.17ms. Allocated memory was 185.6MB in the beginning and 278.9MB in the end (delta: 93.3MB). Free memory was 128.8MB in the beginning and 243.7MB in the end (delta: -114.9MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-02-09 00:11:57,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.01ms. Allocated memory is still 278.9MB. Free memory was 243.7MB in the beginning and 241.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 00:11:57,954 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 278.9MB. Free memory was 241.6MB in the beginning and 240.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 00:11:57,955 INFO L158 Benchmark]: RCFGBuilder took 440.24ms. Allocated memory is still 278.9MB. Free memory was 240.5MB in the beginning and 228.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-09 00:11:57,955 INFO L158 Benchmark]: TraceAbstraction took 387.19ms. Allocated memory is still 278.9MB. Free memory was 227.4MB in the beginning and 204.9MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-02-09 00:11:57,957 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 185.6MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 437.17ms. Allocated memory was 185.6MB in the beginning and 278.9MB in the end (delta: 93.3MB). Free memory was 128.8MB in the beginning and 243.7MB in the end (delta: -114.9MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.01ms. Allocated memory is still 278.9MB. Free memory was 243.7MB in the beginning and 241.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 278.9MB. Free memory was 241.6MB in the beginning and 240.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 440.24ms. Allocated memory is still 278.9MB. Free memory was 240.5MB in the beginning and 228.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 387.19ms. Allocated memory is still 278.9MB. Free memory was 227.4MB in the beginning and 204.9MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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 with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-02-09 00:11:57,992 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...