/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 23:26:48,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 23:26:48,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 23:26:48,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 23:26:48,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 23:26:48,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 23:26:48,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 23:26:48,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 23:26:48,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 23:26:48,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 23:26:48,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 23:26:48,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 23:26:48,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 23:26:48,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 23:26:48,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 23:26:48,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 23:26:48,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 23:26:48,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 23:26:48,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 23:26:48,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 23:26:48,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 23:26:48,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 23:26:48,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 23:26:48,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 23:26:48,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 23:26:48,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 23:26:48,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 23:26:48,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 23:26:48,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-16 23:26:48,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 23:26:48,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 23:26:48,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 23:26:48,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 23:26:48,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 23:26:48,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 23:26:48,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 23:26:48,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 23:26:48,830 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 23:26:48,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 23:26:48,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 23:26:48,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 23:26:48,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 23:26:48,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 23:26:48,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 23:26:48,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 23:26:48,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 23:26:48,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 23:26:48,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 23:26:48,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 23:26:48,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 23:26:48,832 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 23:26:48,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 23:26:48,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 23:26:49,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 23:26:49,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 23:26:49,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 23:26:49,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 23:26:49,059 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 23:26:49,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-16 23:26:49,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6d74579/5ddc567cea354598af65c4c756f7a9fe/FLAG2b7dd35b4 [2022-02-16 23:26:49,545 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 23:26:49,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-16 23:26:49,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6d74579/5ddc567cea354598af65c4c756f7a9fe/FLAG2b7dd35b4 [2022-02-16 23:26:49,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6d74579/5ddc567cea354598af65c4c756f7a9fe [2022-02-16 23:26:49,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 23:26:49,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 23:26:49,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 23:26:49,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 23:26:49,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 23:26:49,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 11:26:49" (1/1) ... [2022-02-16 23:26:49,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f4eb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:49, skipping insertion in model container [2022-02-16 23:26:49,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 11:26:49" (1/1) ... [2022-02-16 23:26:49,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 23:26:49,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 23:26:50,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-02-16 23:26:50,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 23:26:50,183 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 23:26:50,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-02-16 23:26:50,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 23:26:50,283 INFO L208 MainTranslator]: Completed translation [2022-02-16 23:26:50,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50 WrapperNode [2022-02-16 23:26:50,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 23:26:50,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 23:26:50,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 23:26:50,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 23:26:50,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,345 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-16 23:26:50,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 23:26:50,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 23:26:50,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 23:26:50,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 23:26:50,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 23:26:50,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 23:26:50,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 23:26:50,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 23:26:50,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (1/1) ... [2022-02-16 23:26:50,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 23:26:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 23:26:50,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 23:26:50,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 23:26:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 23:26:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 23:26:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 23:26:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 23:26:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 23:26:50,450 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 23:26:50,574 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 23:26:50,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 23:26:50,742 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 23:26:50,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 23:26:50,748 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 23:26:50,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:26:50 BoogieIcfgContainer [2022-02-16 23:26:50,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 23:26:50,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 23:26:50,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 23:26:50,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 23:26:50,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 11:26:49" (1/3) ... [2022-02-16 23:26:50,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e48793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:26:50, skipping insertion in model container [2022-02-16 23:26:50,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 11:26:50" (2/3) ... [2022-02-16 23:26:50,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e48793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:26:50, skipping insertion in model container [2022-02-16 23:26:50,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:26:50" (3/3) ... [2022-02-16 23:26:50,757 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-16 23:26:50,761 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 23:26:50,761 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 23:26:50,762 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 23:26:50,762 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 23:26:50,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,785 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,785 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,785 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,786 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,792 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 23:26:50,797 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-16 23:26:50,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 23:26:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 23:26:50,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 23:26:50,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 23:26:50,897 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 23:26:50,906 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 23:26:50,906 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-16 23:26:51,000 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-16 23:26:51,002 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 23:26:51,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 23:26:51,008 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-16 23:26:51,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 23:26:51,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521846133] [2022-02-16 23:26:51,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 23:26:51,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 23:26:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 23:26:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 23:26:51,392 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 23:26:51,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521846133] [2022-02-16 23:26:51,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521846133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 23:26:51,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 23:26:51,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 23:26:51,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982884891] [2022-02-16 23:26:51,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 23:26:51,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-16 23:26:51,400 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 23:26:51,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-16 23:26:51,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-16 23:26:51,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:26:51,429 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 23:26:51,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 23:26:51,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:27:10,005 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5778 transitions and produced 5779 states. [2022-02-16 23:27:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-16 23:27:10,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 23:27:10,007 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 23:27:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 23:27:10,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-02-16 23:27:10,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 23:27:10,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783349298] [2022-02-16 23:27:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 23:27:10,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 23:27:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 23:27:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 23:27:10,160 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 23:27:10,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783349298] [2022-02-16 23:27:10,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783349298] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 23:27:10,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 23:27:10,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 23:27:10,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874172547] [2022-02-16 23:27:10,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 23:27:10,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 23:27:10,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 23:27:10,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 23:27:10,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-16 23:27:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:27:10,164 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 23:27:10,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 23:27:10,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-16 23:27:10,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 23:27:11,144 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 716 transitions and produced 717 states. [2022-02-16 23:27:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-16 23:27:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 23:27:11,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 23:27:11,146 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 23:27:11,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 23:27:11,146 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-02-16 23:27:11,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 23:27:11,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177560527] [2022-02-16 23:27:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 23:27:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 23:27:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 23:27:11,200 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 23:27:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 23:27:11,243 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 23:27:11,244 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 23:27:11,245 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-16 23:27:11,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-16 23:27:11,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 23:27:11,257 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-16 23:27:11,261 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 23:27:11,261 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 23:27:11,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:27:11 BasicIcfg [2022-02-16 23:27:11,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 23:27:11,289 INFO L158 Benchmark]: Toolchain (without parser) took 21425.24ms. Allocated memory was 184.5MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 126.7MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 878.5MB. Max. memory is 8.0GB. [2022-02-16 23:27:11,289 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 23:27:11,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.37ms. Allocated memory was 184.5MB in the beginning and 261.1MB in the end (delta: 76.5MB). Free memory was 126.5MB in the beginning and 224.2MB in the end (delta: -97.7MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. [2022-02-16 23:27:11,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.72ms. Allocated memory is still 261.1MB. Free memory was 223.7MB in the beginning and 222.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 23:27:11,290 INFO L158 Benchmark]: Boogie Preprocessor took 18.57ms. Allocated memory is still 261.1MB. Free memory was 222.1MB in the beginning and 220.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 23:27:11,291 INFO L158 Benchmark]: RCFGBuilder took 384.58ms. Allocated memory is still 261.1MB. Free memory was 220.5MB in the beginning and 207.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-16 23:27:11,291 INFO L158 Benchmark]: TraceAbstraction took 20537.02ms. Allocated memory was 261.1MB in the beginning and 5.2GB in the end (delta: 4.9GB). Free memory was 207.4MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 882.9MB. Max. memory is 8.0GB. [2022-02-16 23:27:11,293 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 184.5MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.37ms. Allocated memory was 184.5MB in the beginning and 261.1MB in the end (delta: 76.5MB). Free memory was 126.5MB in the beginning and 224.2MB in the end (delta: -97.7MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.72ms. Allocated memory is still 261.1MB. Free memory was 223.7MB in the beginning and 222.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.57ms. Allocated memory is still 261.1MB. Free memory was 222.1MB in the beginning and 220.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 384.58ms. Allocated memory is still 261.1MB. Free memory was 220.5MB in the beginning and 207.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 20537.02ms. Allocated memory was 261.1MB in the beginning and 5.2GB in the end (delta: 4.9GB). Free memory was 207.4MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 882.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-16 23:27:11,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-16 23:27:11,546 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...