/usr/bin/java -Xmx16000000000 -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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-13 23:40:47,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:40:47,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:40:47,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:40:47,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:40:47,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:40:47,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:40:47,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:40:47,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:40:47,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:40:47,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:40:47,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:40:47,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:40:47,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:40:47,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:40:47,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:40:47,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:40:47,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:40:47,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:40:47,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:40:47,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:40:47,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:40:47,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:40:47,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:40:47,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:40:47,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:40:47,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:40:47,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:40:47,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:40:47,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:40:47,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:40:47,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:40:47,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:40:47,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:40:47,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:40:47,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:40:47,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:40:47,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:40:47,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:40:47,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:40:47,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:40:47,594 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-11-13 23:40:47,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:40:47,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:40:47,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 23:40:47,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 23:40:47,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:40:47,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 23:40:47,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:40:47,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:40:47,624 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 23:40:47,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:40:47,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:40:47,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 23:40:47,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 23:40:47,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 23:40:47,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:40:47,628 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 23:40:47,628 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 23:40:47,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-11-13 23:40:47,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:40:47,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:40:47,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:40:47,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:40:47,851 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:40:47,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2021-11-13 23:40:47,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8edab9a93/4732b25598af4ebc931fe7fd5ba51f3f/FLAG49d11d6bd [2021-11-13 23:40:48,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:40:48,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2021-11-13 23:40:48,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8edab9a93/4732b25598af4ebc931fe7fd5ba51f3f/FLAG49d11d6bd [2021-11-13 23:40:48,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8edab9a93/4732b25598af4ebc931fe7fd5ba51f3f [2021-11-13 23:40:48,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:40:48,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 23:40:48,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:40:48,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:40:48,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:40:48,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1317b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48, skipping insertion in model container [2021-11-13 23:40:48,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:40:48,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:40:48,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:40:48,658 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:40:48,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:40:48,714 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:40:48,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48 WrapperNode [2021-11-13 23:40:48,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:40:48,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:40:48,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:40:48,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:40:48,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:40:48,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:40:48,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:40:48,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:40:48,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:40:48,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:40:48,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:40:48,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:40:48,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (1/1) ... [2021-11-13 23:40:48,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 23:40:48,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 23:40:48,836 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) [2021-11-13 23:40:48,847 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 [2021-11-13 23:40:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:40:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:40:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:40:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 23:40:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 23:40:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:40:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:40:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:40:48,869 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:40:49,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:40:49,137 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:40:49,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:49 BoogieIcfgContainer [2021-11-13 23:40:49,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:40:49,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 23:40:49,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 23:40:49,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 23:40:49,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:40:48" (1/3) ... [2021-11-13 23:40:49,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2247fd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:40:49, skipping insertion in model container [2021-11-13 23:40:49,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:48" (2/3) ... [2021-11-13 23:40:49,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2247fd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:40:49, skipping insertion in model container [2021-11-13 23:40:49,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:49" (3/3) ... [2021-11-13 23:40:49,145 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2021-11-13 23:40:49,149 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 23:40:49,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 23:40:49,150 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-13 23:40:49,150 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 23:40:49,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 23:40:49,183 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 23:40:49,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 23:40:49,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 23:40:49,223 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) [2021-11-13 23:40:49,241 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 [2021-11-13 23:40:49,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-13 23:40:49,273 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, 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 [2021-11-13 23:40:49,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 23:40:49,478 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 23:40:49,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:40:49,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1282612442, now seen corresponding path program 1 times [2021-11-13 23:40:49,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 23:40:49,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716362118] [2021-11-13 23:40:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 23:40:49,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:49,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 23:40:49,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716362118] [2021-11-13 23:40:49,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716362118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 23:40:49,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 23:40:49,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 23:40:49,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723175513] [2021-11-13 23:40:49,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 23:40:49,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 23:40:49,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 23:40:49,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 23:40:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 23:40:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 23:40:49,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2021-11-13 23:40:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 23:40:49,706 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 23:40:49,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:40:49,709 INFO L85 PathProgramCache]: Analyzing trace with hash -457250884, now seen corresponding path program 1 times [2021-11-13 23:40:49,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 23:40:49,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455026855] [2021-11-13 23:40:49,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 23:40:49,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:49,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 23:40:49,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455026855] [2021-11-13 23:40:49,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455026855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 23:40:49,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 23:40:49,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 23:40:49,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859496970] [2021-11-13 23:40:49,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 23:40:49,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 23:40:49,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 23:40:49,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 23:40:49,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 23:40:49,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 23:40:49,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-11-13 23:40:49,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 23:40:49,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 23:40:49,982 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 23:40:49,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:40:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1188529345, now seen corresponding path program 1 times [2021-11-13 23:40:49,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 23:40:49,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935126022] [2021-11-13 23:40:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 23:40:49,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:50,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 23:40:50,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935126022] [2021-11-13 23:40:50,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935126022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 23:40:50,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 23:40:50,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 23:40:50,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703952055] [2021-11-13 23:40:50,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 23:40:50,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 23:40:50,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 23:40:50,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 23:40:50,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 23:40:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:50,082 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 23:40:50,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 23:40:50,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:50,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 23:40:50,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 23:40:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 23:40:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 23:40:50,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 23:40:50,154 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 23:40:50,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:40:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1333252116, now seen corresponding path program 1 times [2021-11-13 23:40:50,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 23:40:50,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023992723] [2021-11-13 23:40:50,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 23:40:50,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:40:50,190 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:40:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:40:50,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 23:40:50,242 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 23:40:50,243 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2021-11-13 23:40:50,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2021-11-13 23:40:50,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 23:40:50,255 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-13 23:40:50,256 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2021-11-13 23:40:50,260 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 23:40:50,260 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 23:40:50,290 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.DataRaceFoundResult.getLongDescription(DataRaceFoundResult.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 23:40:50,293 INFO L158 Benchmark]: Toolchain (without parser) took 1933.92ms. Allocated memory was 383.8MB in the beginning and 497.0MB in the end (delta: 113.2MB). Free memory was 323.6MB in the beginning and 366.6MB in the end (delta: -43.0MB). Peak memory consumption was 71.1MB. Max. memory is 16.0GB. [2021-11-13 23:40:50,294 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 383.8MB. Free memory is still 341.7MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 23:40:50,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.21ms. Allocated memory was 383.8MB in the beginning and 497.0MB in the end (delta: 113.2MB). Free memory was 323.5MB in the beginning and 458.9MB in the end (delta: -135.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.0GB. [2021-11-13 23:40:50,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.83ms. Allocated memory is still 497.0MB. Free memory was 458.9MB in the beginning and 456.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 23:40:50,300 INFO L158 Benchmark]: Boogie Preprocessor took 30.59ms. Allocated memory is still 497.0MB. Free memory was 456.8MB in the beginning and 454.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 23:40:50,302 INFO L158 Benchmark]: RCFGBuilder took 337.80ms. Allocated memory is still 497.0MB. Free memory was 454.7MB in the beginning and 438.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2021-11-13 23:40:50,302 INFO L158 Benchmark]: TraceAbstraction took 1152.00ms. Allocated memory is still 497.0MB. Free memory was 438.9MB in the beginning and 366.6MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.0GB. [2021-11-13 23:40:50,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 383.8MB. Free memory is still 341.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 354.21ms. Allocated memory was 383.8MB in the beginning and 497.0MB in the end (delta: 113.2MB). Free memory was 323.5MB in the beginning and 458.9MB in the end (delta: -135.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 53.83ms. Allocated memory is still 497.0MB. Free memory was 458.9MB in the beginning and 456.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.59ms. Allocated memory is still 497.0MB. Free memory was 456.8MB in the beginning and 454.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 337.80ms. Allocated memory is still 497.0MB. Free memory was 454.7MB in the beginning and 438.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1152.00ms. Allocated memory is still 497.0MB. Free memory was 438.9MB in the beginning and 366.6MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 275, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 29, negative conditional: 14, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 31, positive unconditional: 215, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 206, positive: 189, positive conditional: 1, positive unconditional: 188, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 206, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 24, positive conditional: 1, positive unconditional: 23, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 74, positive conditional: 2, positive unconditional: 72, negative: 95, negative conditional: 3, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 57, positive conditional: 26, positive unconditional: 31, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 206, unknown conditional: 2, unknown unconditional: 204] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 189, Positive conditional cache size: 1, Positive unconditional cache size: 188, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 184.53ms, Number of persistent set computation: 44, Number of trivial persistent sets: 41, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 275, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 29, negative conditional: 14, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 31, positive unconditional: 215, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 206, positive: 189, positive conditional: 1, positive unconditional: 188, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 206, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 24, positive conditional: 1, positive unconditional: 23, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 74, positive conditional: 2, positive unconditional: 72, negative: 95, negative conditional: 3, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 57, positive conditional: 26, positive unconditional: 31, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 206, unknown conditional: 2, unknown unconditional: 204] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 189, Positive conditional cache size: 1, Positive unconditional cache size: 188, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 9 - 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:40:50,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-13 23:40:50,538 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...