/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 09:59:29,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 09:59:29,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 09:59:29,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 09:59:29,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 09:59:29,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 09:59:29,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 09:59:29,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 09:59:29,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 09:59:29,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 09:59:29,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 09:59:29,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 09:59:29,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 09:59:29,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 09:59:29,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 09:59:29,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 09:59:29,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 09:59:29,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 09:59:29,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 09:59:29,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 09:59:29,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 09:59:29,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 09:59:29,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 09:59:29,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 09:59:29,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 09:59:29,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 09:59:29,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 09:59:29,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 09:59:29,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 09:59:29,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 09:59:29,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 09:59:29,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 09:59:29,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 09:59:29,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 09:59:29,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 09:59:29,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 09:59:29,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 09:59:29,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 09:59:29,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 09:59:29,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 09:59:29,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 09:59:29,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 09:59:29,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 09:59:29,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 09:59:29,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 09:59:29,359 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 09:59:29,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 09:59:29,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 09:59:29,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 09:59:29,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 09:59:29,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 09:59:29,540 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 09:59:29,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-01-18 09:59:29,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f390bcb31/a4827e8691cd405a805cbeb97f0493ec/FLAG4aa2e91a1 [2022-01-18 09:59:29,968 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 09:59:29,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-01-18 09:59:29,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f390bcb31/a4827e8691cd405a805cbeb97f0493ec/FLAG4aa2e91a1 [2022-01-18 09:59:30,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f390bcb31/a4827e8691cd405a805cbeb97f0493ec [2022-01-18 09:59:30,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 09:59:30,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 09:59:30,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 09:59:30,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 09:59:30,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 09:59:30,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634ff35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30, skipping insertion in model container [2022-01-18 09:59:30,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 09:59:30,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 09:59:30,534 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-01-18 09:59:30,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 09:59:30,612 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 09:59:30,619 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-01-18 09:59:30,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 09:59:30,666 INFO L208 MainTranslator]: Completed translation [2022-01-18 09:59:30,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30 WrapperNode [2022-01-18 09:59:30,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 09:59:30,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 09:59:30,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 09:59:30,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 09:59:30,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,696 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-01-18 09:59:30,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 09:59:30,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 09:59:30,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 09:59:30,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 09:59:30,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 09:59:30,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 09:59:30,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 09:59:30,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 09:59:30,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (1/1) ... [2022-01-18 09:59:30,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 09:59:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 09:59:30,748 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) [2022-01-18 09:59:30,772 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 [2022-01-18 09:59:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 09:59:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 09:59:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 09:59:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 09:59:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 09:59:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 09:59:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 09:59:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 09:59:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 09:59:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 09:59:30,780 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 09:59:30,892 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 09:59:30,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 09:59:31,002 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 09:59:31,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 09:59:31,006 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 09:59:31,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 09:59:31 BoogieIcfgContainer [2022-01-18 09:59:31,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 09:59:31,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 09:59:31,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 09:59:31,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 09:59:31,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 09:59:30" (1/3) ... [2022-01-18 09:59:31,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619b4c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 09:59:31, skipping insertion in model container [2022-01-18 09:59:31,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 09:59:30" (2/3) ... [2022-01-18 09:59:31,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619b4c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 09:59:31, skipping insertion in model container [2022-01-18 09:59:31,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 09:59:31" (3/3) ... [2022-01-18 09:59:31,012 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-01-18 09:59:31,015 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 09:59:31,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 09:59:31,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 09:59:31,015 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 09:59:31,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,038 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,038 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,043 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 09:59:31,046 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 09:59:31,082 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 09:59:31,087 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 09:59:31,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 09:59:31,096 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 66 transitions, 137 flow [2022-01-18 09:59:31,123 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186 states, 185 states have (on average 1.7027027027027026) internal successors, (315), 185 states have internal predecessors, (315), 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) [2022-01-18 09:59:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 185 states have (on average 1.7027027027027026) internal successors, (315), 185 states have internal predecessors, (315), 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) [2022-01-18 09:59:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-18 09:59:31,131 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 09:59:31,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 09:59:31,132 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 09:59:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 09:59:31,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-01-18 09:59:31,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 09:59:31,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027980892] [2022-01-18 09:59:31,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 09:59:31,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 09:59:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 09:59:31,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 09:59:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 09:59:31,370 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 09:59:31,371 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 09:59:31,372 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 09:59:31,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-18 09:59:31,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 09:59:31,377 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 09:59:31,379 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 09:59:31,380 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 09:59:31,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 09:59:31 BasicIcfg [2022-01-18 09:59:31,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 09:59:31,418 INFO L158 Benchmark]: Toolchain (without parser) took 1050.14ms. Allocated memory was 379.6MB in the beginning and 545.3MB in the end (delta: 165.7MB). Free memory was 320.7MB in the beginning and 467.0MB in the end (delta: -146.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.0GB. [2022-01-18 09:59:31,419 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 379.6MB. Free memory is still 338.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 09:59:31,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.16ms. Allocated memory was 379.6MB in the beginning and 545.3MB in the end (delta: 165.7MB). Free memory was 320.4MB in the beginning and 506.8MB in the end (delta: -186.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. [2022-01-18 09:59:31,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.86ms. Allocated memory is still 545.3MB. Free memory was 506.8MB in the beginning and 504.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 09:59:31,420 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 545.3MB. Free memory was 504.7MB in the beginning and 503.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 09:59:31,420 INFO L158 Benchmark]: RCFGBuilder took 288.10ms. Allocated memory is still 545.3MB. Free memory was 503.7MB in the beginning and 490.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 09:59:31,421 INFO L158 Benchmark]: TraceAbstraction took 409.04ms. Allocated memory is still 545.3MB. Free memory was 489.0MB in the beginning and 467.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 09:59:31,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 379.6MB. Free memory is still 338.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 298.16ms. Allocated memory was 379.6MB in the beginning and 545.3MB in the end (delta: 165.7MB). Free memory was 320.4MB in the beginning and 506.8MB in the end (delta: -186.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 28.86ms. Allocated memory is still 545.3MB. Free memory was 506.8MB in the beginning and 504.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 545.3MB. Free memory was 504.7MB in the beginning and 503.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 288.10ms. Allocated memory is still 545.3MB. Free memory was 503.7MB in the beginning and 490.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 409.04ms. Allocated memory is still 545.3MB. Free memory was 489.0MB in the beginning and 467.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-18 09:59:31,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...