/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 08:19:35,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 08:19:35,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 08:19:35,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 08:19:35,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 08:19:35,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 08:19:35,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 08:19:35,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 08:19:35,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 08:19:35,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 08:19:35,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 08:19:35,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 08:19:35,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 08:19:35,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 08:19:35,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 08:19:35,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 08:19:35,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 08:19:35,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 08:19:35,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 08:19:35,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 08:19:35,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 08:19:35,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 08:19:35,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 08:19:35,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 08:19:35,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 08:19:35,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 08:19:35,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 08:19:35,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 08:19:35,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 08:19:35,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 08:19:35,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 08:19:35,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 08:19:35,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 08:19:35,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 08:19:35,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 08:19:35,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 08:19:35,093 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 08:19:35,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 08:19:35,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 08:19:35,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 08:19:35,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 08:19:35,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 08:19:35,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 08:19:35,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 08:19:35,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 08:19:35,122 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 08:19:35,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 08:19:35,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 08:19:35,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 08:19:35,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 08:19:35,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 08:19:35,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 08:19:35,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 08:19:35,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:19:35,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 08:19:35,124 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 08:19:35,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 08:19:35,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 08:19:35,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 08:19:35,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 08:19:35,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 08:19:35,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 08:19:35,325 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 08:19:35,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-03-04 08:19:35,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e74a76e/532f89e503ed4988b94bdbde02ce0440/FLAG914bfa5b4 [2022-03-04 08:19:35,782 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 08:19:35,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-03-04 08:19:35,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e74a76e/532f89e503ed4988b94bdbde02ce0440/FLAG914bfa5b4 [2022-03-04 08:19:36,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e74a76e/532f89e503ed4988b94bdbde02ce0440 [2022-03-04 08:19:36,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 08:19:36,153 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 08:19:36,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 08:19:36,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 08:19:36,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 08:19:36,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560a1fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36, skipping insertion in model container [2022-03-04 08:19:36,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 08:19:36,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 08:19:36,343 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_18-first-reads_unknown_2_pos.i[1097,1110] [2022-03-04 08:19:36,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:19:36,463 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 08:19:36,473 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_18-first-reads_unknown_2_pos.i[1097,1110] [2022-03-04 08:19:36,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:19:36,523 INFO L208 MainTranslator]: Completed translation [2022-03-04 08:19:36,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36 WrapperNode [2022-03-04 08:19:36,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 08:19:36,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 08:19:36,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 08:19:36,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 08:19:36,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,555 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-04 08:19:36,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 08:19:36,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 08:19:36,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 08:19:36,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 08:19:36,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 08:19:36,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 08:19:36,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 08:19:36,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 08:19:36,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (1/1) ... [2022-03-04 08:19:36,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:19:36,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:19:36,617 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) [2022-03-04 08:19:36,626 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 [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 08:19:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 08:19:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 08:19:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 08:19:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 08:19:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 08:19:36,653 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 08:19:36,755 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 08:19:36,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 08:19:36,851 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 08:19:36,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 08:19:36,863 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 08:19:36,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:19:36 BoogieIcfgContainer [2022-03-04 08:19:36,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 08:19:36,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 08:19:36,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 08:19:36,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 08:19:36,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 08:19:36" (1/3) ... [2022-03-04 08:19:36,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc7fe5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:19:36, skipping insertion in model container [2022-03-04 08:19:36,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:19:36" (2/3) ... [2022-03-04 08:19:36,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc7fe5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:19:36, skipping insertion in model container [2022-03-04 08:19:36,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:19:36" (3/3) ... [2022-03-04 08:19:36,875 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2022-03-04 08:19:36,878 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 08:19:36,878 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 08:19:36,878 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 08:19:36,878 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 08:19:36,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:19:36,942 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-04 08:19:36,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 08:19:36,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:19:36,985 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) [2022-03-04 08:19:36,986 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 [2022-03-04 08:19:37,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 08:19:37,012 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-04 08:19:37,013 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 08:19:37,071 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-03-04 08:19:37,073 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-04 08:19:37,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:19:37,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-03-04 08:19:37,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:19:37,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054253709] [2022-03-04 08:19:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:19:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:19:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:19:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 08:19:37,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:19:37,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054253709] [2022-03-04 08:19:37,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054253709] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:19:37,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:19:37,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 08:19:37,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581146850] [2022-03-04 08:19:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:19:37,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 08:19:37,337 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:19:37,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 08:19:37,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-04 08:19:37,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:19:37,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:19:37,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-03-04 08:19:37,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:19:37,488 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-03-04 08:19:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 08:19:37,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 08:19:37,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-04 08:19:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:19:37,489 INFO L85 PathProgramCache]: Analyzing trace with hash -741197526, now seen corresponding path program 1 times [2022-03-04 08:19:37,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:19:37,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173303486] [2022-03-04 08:19:37,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:19:37,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:19:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:19:37,512 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 08:19:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:19:37,556 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 08:19:37,556 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 08:19:37,557 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-04 08:19:37,559 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 08:19:37,559 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-04 08:19:37,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 08:19:37,565 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-04 08:19:37,568 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 08:19:37,569 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 08:19:37,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 08:19:37 BasicIcfg [2022-03-04 08:19:37,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 08:19:37,611 INFO L158 Benchmark]: Toolchain (without parser) took 1457.99ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 130.7MB in the beginning and 213.5MB in the end (delta: -82.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 08:19:37,612 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 08:19:37,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.52ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 130.5MB in the beginning and 219.4MB in the end (delta: -88.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-04 08:19:37,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.77ms. Allocated memory is still 257.9MB. Free memory was 219.4MB in the beginning and 217.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 08:19:37,615 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 257.9MB. Free memory was 217.4MB in the beginning and 216.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 08:19:37,615 INFO L158 Benchmark]: RCFGBuilder took 281.19ms. Allocated memory is still 257.9MB. Free memory was 216.1MB in the beginning and 205.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 08:19:37,616 INFO L158 Benchmark]: TraceAbstraction took 745.20ms. Allocated memory is still 257.9MB. Free memory was 204.5MB in the beginning and 213.5MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 08:19:37,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 356.52ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 130.5MB in the beginning and 219.4MB in the end (delta: -88.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.77ms. Allocated memory is still 257.9MB. Free memory was 219.4MB in the beginning and 217.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 257.9MB. Free memory was 217.4MB in the beginning and 216.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.19ms. Allocated memory is still 257.9MB. Free memory was 216.1MB in the beginning and 205.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 745.20ms. Allocated memory is still 257.9MB. Free memory was 204.5MB in the beginning and 213.5MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L701] 0 \read(id) VAL [\read(id)=-1, glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: 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, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-03-04 08:19:37,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 08:19:37,856 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...