./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:55:53,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:55:53,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:55:53,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:55:53,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:55:53,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:55:53,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:55:53,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:55:53,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:55:53,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:55:53,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:55:53,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:55:53,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:55:53,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:55:53,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:55:53,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:55:53,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:55:53,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:55:53,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:55:53,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:55:53,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:55:53,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:55:53,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:55:53,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:55:53,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:55:53,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:55:53,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:55:53,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:55:53,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:55:53,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:55:53,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:55:53,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:55:53,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:55:53,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:55:53,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:55:53,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:55:53,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:55:53,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:55:53,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:55:53,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:55:53,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:55:53,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:55:53,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:55:53,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:55:53,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:55:53,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:55:53,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:55:53,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:55:53,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:55:53,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:55:53,622 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:55:53,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:55:53,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:55:53,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:55:53,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:55:53,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:55:53,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:55:53,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:55:53,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:55:53,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:55:53,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:55:53,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:55:53,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:55:53,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:55:53,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:55:53,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:55:53,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:55:53,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:55:53,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:55:53,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:55:53,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:55:53,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:55:53,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:55:53,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:55:53,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:55:53,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:55:53,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2021-12-16 02:55:53,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:55:53,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:55:53,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:55:53,864 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:55:53,865 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:55:53,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2021-12-16 02:55:53,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2750aab54/40e95ada41404fdf8875476a40e31e68/FLAG0ca5cc2bd [2021-12-16 02:55:54,333 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:55:54,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2021-12-16 02:55:54,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2750aab54/40e95ada41404fdf8875476a40e31e68/FLAG0ca5cc2bd [2021-12-16 02:55:54,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2750aab54/40e95ada41404fdf8875476a40e31e68 [2021-12-16 02:55:54,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:55:54,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:55:54,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:55:54,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:55:54,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:55:54,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f304db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54, skipping insertion in model container [2021-12-16 02:55:54,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:55:54,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:55:54,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2021-12-16 02:55:54,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:55:54,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:55:54,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2021-12-16 02:55:54,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:55:54,746 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:55:54,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54 WrapperNode [2021-12-16 02:55:54,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:55:54,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:55:54,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:55:54,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:55:54,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,793 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-12-16 02:55:54,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:55:54,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:55:54,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:55:54,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:55:54,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:55:54,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:55:54,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:55:54,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:55:54,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (1/1) ... [2021-12-16 02:55:54,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:55:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:55:54,853 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) [2021-12-16 02:55:54,864 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 [2021-12-16 02:55:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 02:55:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:55:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-16 02:55:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:55:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:55:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-16 02:55:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-16 02:55:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:55:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:55:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:55:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:55:54,903 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 02:55:55,018 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:55:55,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:55:55,142 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:55:55,147 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:55:55,147 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 02:55:55,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:55:55 BoogieIcfgContainer [2021-12-16 02:55:55,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 02:55:55,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 02:55:55,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 02:55:55,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 02:55:55,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:55:54" (1/3) ... [2021-12-16 02:55:55,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d090a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:55:55, skipping insertion in model container [2021-12-16 02:55:55,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:55:54" (2/3) ... [2021-12-16 02:55:55,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d090a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:55:55, skipping insertion in model container [2021-12-16 02:55:55,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:55:55" (3/3) ... [2021-12-16 02:55:55,161 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2021-12-16 02:55:55,165 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 02:55:55,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 02:55:55,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 02:55:55,166 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 02:55:55,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:55:55,209 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-16 02:55:55,260 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:55:55,273 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=PETRI_NET, 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 [2021-12-16 02:55:55,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 02:55:55,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2021-12-16 02:55:55,320 INFO L129 PetriNetUnfolder]: 2/63 cut-off events. [2021-12-16 02:55:55,322 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-16 02:55:55,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2021-12-16 02:55:55,325 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 64 transitions, 136 flow [2021-12-16 02:55:55,329 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2021-12-16 02:55:55,344 INFO L129 PetriNetUnfolder]: 1/46 cut-off events. [2021-12-16 02:55:55,344 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:55:55,344 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:55:55,345 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-16 02:55:55,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 02:55:55,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:55:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash -392670942, now seen corresponding path program 1 times [2021-12-16 02:55:55,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:55:55,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017027930] [2021-12-16 02:55:55,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:55:55,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:55:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:55:55,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:55:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:55:55,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:55:55,529 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:55:55,530 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-12-16 02:55:55,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-12-16 02:55:55,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-12-16 02:55:55,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 02:55:55,537 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-16 02:55:55,543 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-16 02:55:55,543 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 02:55:55,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:55:55 BasicIcfg [2021-12-16 02:55:55,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 02:55:55,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 02:55:55,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 02:55:55,584 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 02:55:55,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:55:55" (3/4) ... [2021-12-16 02:55:55,586 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-16 02:55:55,640 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 02:55:55,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 02:55:55,641 INFO L158 Benchmark]: Toolchain (without parser) took 1272.94ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 71.1MB in the beginning and 93.5MB in the end (delta: -22.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-12-16 02:55:55,642 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 02:55:55,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.63ms. Allocated memory is still 111.1MB. Free memory was 70.9MB in the beginning and 77.1MB in the end (delta: -6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 02:55:55,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.83ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 75.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:55:55,642 INFO L158 Benchmark]: Boogie Preprocessor took 32.38ms. Allocated memory is still 111.1MB. Free memory was 75.2MB in the beginning and 73.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:55:55,643 INFO L158 Benchmark]: RCFGBuilder took 321.81ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 62.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 02:55:55,643 INFO L158 Benchmark]: TraceAbstraction took 432.88ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 62.3MB in the beginning and 96.9MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 02:55:55,643 INFO L158 Benchmark]: Witness Printer took 56.99ms. Allocated memory is still 138.4MB. Free memory was 96.9MB in the beginning and 93.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:55:55,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.63ms. Allocated memory is still 111.1MB. Free memory was 70.9MB in the beginning and 77.1MB in the end (delta: -6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.83ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 75.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.38ms. Allocated memory is still 111.1MB. Free memory was 75.2MB in the beginning and 73.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.81ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 62.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 432.88ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 62.3MB in the beginning and 96.9MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.99ms. Allocated memory is still 138.4MB. Free memory was 96.9MB in the beginning and 93.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred 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, 39 NumberOfCodeBlocks, 39 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! [2021-12-16 02:55:55,679 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE