./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg --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 0422ae41261201498e6456e92a4b9d49885e10a28ef02669240ae6f32ad276c5 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:34:48,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:34:48,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:34:48,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:34:48,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:34:48,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:34:48,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:34:48,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:34:48,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:34:48,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:34:48,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:34:48,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:34:48,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:34:48,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:34:48,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:34:48,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:34:48,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:34:48,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:34:48,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:34:48,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:34:48,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:34:48,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:34:48,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:34:48,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:34:48,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:34:48,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:34:48,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:34:48,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:34:48,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:34:48,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:34:48,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:34:48,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:34:48,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:34:48,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:34:48,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:34:48,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:34:48,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:34:48,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:34:48,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:34:48,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:34:48,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:34:48,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:34:48,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:34:48,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:34:48,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:34:48,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:34:48,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:34:48,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:34:48,842 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:34:48,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:34:48,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:34:48,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:34:48,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:34:48,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:34:48,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:34:48,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:34:48,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:34:48,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:34:48,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:34:48,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:34:48,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:34:48,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:34:48,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:34:48,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:34:48,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:34:48,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:34:48,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:34:48,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:34:48,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:34:48,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:34:48,855 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:34:48,855 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:34:48,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:34:48,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:34:48,857 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0422ae41261201498e6456e92a4b9d49885e10a28ef02669240ae6f32ad276c5 [2021-10-28 08:34:49,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:34:49,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:34:49,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:34:49,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:34:49,235 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:34:49,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2021-10-28 08:34:49,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/data/fbf825e63/323834f7b9824e5ea8e270cd058530dd/FLAG06612d196 [2021-10-28 08:34:50,015 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:34:50,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2021-10-28 08:34:50,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/data/fbf825e63/323834f7b9824e5ea8e270cd058530dd/FLAG06612d196 [2021-10-28 08:34:50,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/data/fbf825e63/323834f7b9824e5ea8e270cd058530dd [2021-10-28 08:34:50,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:34:50,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:34:50,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:34:50,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:34:50,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:34:50,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:50,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9047a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50, skipping insertion in model container [2021-10-28 08:34:50,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:50,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:34:50,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:34:50,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i[835,848] [2021-10-28 08:34:50,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:34:50,826 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:34:50,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i[835,848] [2021-10-28 08:34:50,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:34:50,926 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:34:50,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50 WrapperNode [2021-10-28 08:34:50,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:34:50,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:34:50,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:34:50,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:34:50,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:50,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:50,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:34:50,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:34:50,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:34:50,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:34:50,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:50,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:34:51,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:34:51,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:34:51,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:34:51,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (1/1) ... [2021-10-28 08:34:51,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:34:51,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:34:51,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:34:51,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:34:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 08:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 08:34:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 08:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:34:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:34:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:34:51,115 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 08:34:51,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:34:51,417 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 08:34:51,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:34:51 BoogieIcfgContainer [2021-10-28 08:34:51,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:34:51,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:34:51,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:34:51,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:34:51,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:34:50" (1/3) ... [2021-10-28 08:34:51,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509be7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:34:51, skipping insertion in model container [2021-10-28 08:34:51,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:50" (2/3) ... [2021-10-28 08:34:51,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509be7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:34:51, skipping insertion in model container [2021-10-28 08:34:51,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:34:51" (3/3) ... [2021-10-28 08:34:51,429 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2021-10-28 08:34:51,435 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 08:34:51,436 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:34:51,436 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:34:51,436 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 08:34:51,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,468 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,469 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,469 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,475 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,475 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,475 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,476 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,476 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,476 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,477 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,477 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,488 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,488 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 08:34:51,526 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-28 08:34:51,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:34:51,595 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 [2021-10-28 08:34:51,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:34:51,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 57 transitions, 122 flow [2021-10-28 08:34:51,674 INFO L129 PetriNetUnfolder]: 2/56 cut-off events. [2021-10-28 08:34:51,674 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-28 08:34:51,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 56 events. 2/56 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-10-28 08:34:51,678 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 57 transitions, 122 flow [2021-10-28 08:34:51,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 42 transitions, 87 flow [2021-10-28 08:34:51,722 INFO L129 PetriNetUnfolder]: 1/41 cut-off events. [2021-10-28 08:34:51,722 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 08:34:51,722 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 08:34:51,723 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] [2021-10-28 08:34:51,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:34:51,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:34:51,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1232303320, now seen corresponding path program 1 times [2021-10-28 08:34:51,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:34:51,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180763204] [2021-10-28 08:34:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:34:51,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:34:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:34:51,970 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:34:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:34:52,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:34:52,105 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 08:34:52,107 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:34:52,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 08:34:52,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:34:52,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:34:52,117 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 08:34:52,124 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 08:34:52,124 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:34:52,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:34:52 BasicIcfg [2021-10-28 08:34:52,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:34:52,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:34:52,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:34:52,208 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:34:52,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:34:51" (3/4) ... [2021-10-28 08:34:52,214 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 08:34:52,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:34:52,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:34:52,299 INFO L168 Benchmark]: Toolchain (without parser) took 2022.19 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 50.4 MB in the beginning and 72.1 MB in the end (delta: -21.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:34:52,300 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:34:52,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.76 ms. Allocated memory is still 92.3 MB. Free memory was 50.2 MB in the beginning and 59.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:34:52,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.66 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 57.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:34:52,303 INFO L168 Benchmark]: Boogie Preprocessor took 31.53 ms. Allocated memory is still 92.3 MB. Free memory was 57.0 MB in the beginning and 55.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:34:52,304 INFO L168 Benchmark]: RCFGBuilder took 400.52 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 44.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:34:52,305 INFO L168 Benchmark]: TraceAbstraction took 784.37 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 44.0 MB in the beginning and 75.5 MB in the end (delta: -31.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:34:52,305 INFO L168 Benchmark]: Witness Printer took 90.63 ms. Allocated memory is still 115.3 MB. Free memory was 75.5 MB in the beginning and 72.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:34:52,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.76 ms. Allocated memory is still 92.3 MB. Free memory was 50.2 MB in the beginning and 59.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.66 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 57.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.53 ms. Allocated memory is still 92.3 MB. Free memory was 57.0 MB in the beginning and 55.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 400.52 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 44.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 784.37 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 44.0 MB in the beginning and 75.5 MB in the end (delta: -31.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 90.63 ms. Allocated memory is still 115.3 MB. Free memory was 75.5 MB in the beginning and 72.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L676] 0 int glob1 = 0; VAL [glob1=0] [L677] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={7:0}] [L691] 0 pthread_t id; VAL [glob1=0, mutex1={7:0}] [L692] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, mutex1={7:0}] [L679] 1 int t = __VERIFIER_nondet_int(); VAL [glob1=0, mutex1={7:0}] [L681] COND FALSE 1 !(t == 42) VAL [glob1=0, mutex1={7:0}] [L684] 1 t = glob1 VAL [glob1=0, mutex1={7:0}] [L13] COND TRUE 1 !(cond) VAL [glob1=0, mutex1={7:0}] [L13] 1 reach_error() VAL [glob1=0, mutex1={7:0}] - UnprovableResult [Line: 692]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred 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, 34 NumberOfCodeBlocks, 34 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! [2021-10-28 08:34:52,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b81719c-77b0-4a8b-8697-49055b5b4ceb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...