./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/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_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU --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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:13:04,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:13:04,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:13:04,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:13:04,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:13:04,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:13:04,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:13:04,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:13:04,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:13:04,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:13:04,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:13:04,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:13:04,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:13:04,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:13:04,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:13:04,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:13:04,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:13:04,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:13:04,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:13:04,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:13:04,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:13:04,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:13:04,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:13:04,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:13:04,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:13:04,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:13:04,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:13:04,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:13:04,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:13:04,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:13:04,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:13:04,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:13:04,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:13:04,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:13:04,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:13:04,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:13:04,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:13:04,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:13:04,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:13:04,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:13:04,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:13:04,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:13:04,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:13:04,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:13:04,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:13:04,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:13:04,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:13:04,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:13:04,728 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:13:04,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:13:04,729 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:13:04,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:13:04,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:13:04,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:13:04,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:13:04,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:13:04,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:13:04,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:13:04,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:13:04,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:13:04,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:13:04,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:13:04,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:13:04,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:13:04,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:13:04,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:13:04,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:13:04,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:13:04,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:13:04,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:13:04,736 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:13:04,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:13:04,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:13:04,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:13:04,739 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_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2021-11-02 22:13:05,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:13:05,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:13:05,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:13:05,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:13:05,068 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:13:05,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2021-11-02 22:13:05,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/data/9c9f68320/38cba822b9084261ad2e55d21bfc273c/FLAGfdc87a256 [2021-11-02 22:13:05,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:13:05,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2021-11-02 22:13:05,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/data/9c9f68320/38cba822b9084261ad2e55d21bfc273c/FLAGfdc87a256 [2021-11-02 22:13:06,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/data/9c9f68320/38cba822b9084261ad2e55d21bfc273c [2021-11-02 22:13:06,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:13:06,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:13:06,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:13:06,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:13:06,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:13:06,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f03c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06, skipping insertion in model container [2021-11-02 22:13:06,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:13:06,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:13:06,369 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_77b52b68-a3ad-4ff9-9348-26b69b49ca88/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i[1097,1110] [2021-11-02 22:13:06,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:13:06,652 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:13:06,673 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_77b52b68-a3ad-4ff9-9348-26b69b49ca88/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i[1097,1110] [2021-11-02 22:13:06,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:13:06,790 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:13:06,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06 WrapperNode [2021-11-02 22:13:06,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:13:06,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:13:06,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:13:06,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:13:06,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:13:06,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:13:06,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:13:06,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:13:06,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:13:06,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:13:06,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:13:06,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:13:06,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (1/1) ... [2021-11-02 22:13:06,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:13:06,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:06,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:06,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:13:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:13:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:13:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-02 22:13:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:13:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-02 22:13:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-02 22:13:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:13:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:13:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:13:07,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:13:07,049 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:13:07,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:13:07,491 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-02 22:13:07,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:13:07 BoogieIcfgContainer [2021-11-02 22:13:07,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:13:07,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:13:07,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:13:07,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:13:07,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:13:06" (1/3) ... [2021-11-02 22:13:07,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48de8f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:13:07, skipping insertion in model container [2021-11-02 22:13:07,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:06" (2/3) ... [2021-11-02 22:13:07,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48de8f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:13:07, skipping insertion in model container [2021-11-02 22:13:07,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:13:07" (3/3) ... [2021-11-02 22:13:07,505 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2021-11-02 22:13:07,512 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:13:07,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:13:07,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:13:07,512 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:13:07,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,543 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,543 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,545 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,546 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,546 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,547 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,548 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,548 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,548 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,548 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,549 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,549 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,549 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,549 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,550 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,550 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,550 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,550 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,551 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,551 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,551 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,552 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,552 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,552 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,552 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,553 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,553 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,553 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,554 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,554 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,554 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,555 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,564 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,564 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:13:07,588 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-02 22:13:07,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:13:07,665 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 [2021-11-02 22:13:07,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 22:13:07,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 57 transitions, 122 flow [2021-11-02 22:13:07,723 INFO L129 PetriNetUnfolder]: 2/56 cut-off events. [2021-11-02 22:13:07,724 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-02 22:13:07,727 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 22 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. [2021-11-02 22:13:07,728 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 57 transitions, 122 flow [2021-11-02 22:13:07,733 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 42 transitions, 87 flow [2021-11-02 22:13:07,779 INFO L129 PetriNetUnfolder]: 1/41 cut-off events. [2021-11-02 22:13:07,779 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-02 22:13:07,780 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:13:07,781 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] [2021-11-02 22:13:07,781 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:13:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:07,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1428845475, now seen corresponding path program 1 times [2021-11-02 22:13:07,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:07,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148872270] [2021-11-02 22:13:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:07,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:08,033 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:08,128 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:08,131 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-02 22:13:08,132 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:13:08,135 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:13:08,135 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:13:08,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:13:08,141 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-02 22:13:08,149 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:13:08,150 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:13:08,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:13:08 BasicIcfg [2021-11-02 22:13:08,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:13:08,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:13:08,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:13:08,217 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:13:08,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:13:07" (3/4) ... [2021-11-02 22:13:08,220 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-02 22:13:08,274 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:13:08,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:13:08,281 INFO L168 Benchmark]: Toolchain (without parser) took 2233.32 ms. Allocated memory is still 130.0 MB. Free memory was 98.6 MB in the beginning and 90.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:08,283 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:13:08,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.72 ms. Allocated memory is still 130.0 MB. Free memory was 98.3 MB in the beginning and 98.6 MB in the end (delta: -247.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:08,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.46 ms. Allocated memory is still 130.0 MB. Free memory was 98.6 MB in the beginning and 96.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:08,292 INFO L168 Benchmark]: Boogie Preprocessor took 51.37 ms. Allocated memory is still 130.0 MB. Free memory was 96.9 MB in the beginning and 95.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:13:08,295 INFO L168 Benchmark]: RCFGBuilder took 571.99 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 84.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:08,296 INFO L168 Benchmark]: TraceAbstraction took 719.98 ms. Allocated memory is still 130.0 MB. Free memory was 83.9 MB in the beginning and 94.3 MB in the end (delta: -10.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:13:08,297 INFO L168 Benchmark]: Witness Printer took 57.74 ms. Allocated memory is still 130.0 MB. Free memory was 94.3 MB in the beginning and 90.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:08,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 739.72 ms. Allocated memory is still 130.0 MB. Free memory was 98.3 MB in the beginning and 98.6 MB in the end (delta: -247.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.46 ms. Allocated memory is still 130.0 MB. Free memory was 98.6 MB in the beginning and 96.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.37 ms. Allocated memory is still 130.0 MB. Free memory was 96.9 MB in the beginning and 95.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 571.99 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 84.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 719.98 ms. Allocated memory is still 130.0 MB. Free memory was 83.9 MB in the beginning and 94.3 MB in the end (delta: -10.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 57.74 ms. Allocated memory is still 130.0 MB. Free memory was 94.3 MB in the beginning and 90.8 MB in the end (delta: 3.5 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: 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={7:0}] [L697] 0 pthread_t id; VAL [glob1=0, mutex1={7:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, mutex1={7:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [glob1=0, mutex1={7:0}] [L687] COND FALSE 1 !(t == 42) VAL [glob1=0, mutex1={7:0}] [L690] 1 t = glob1 VAL [glob1=0, mutex1={7:0}] [L19] COND TRUE 1 !(cond) VAL [glob1=0, mutex1={7:0}] [L19] 1 reach_error() VAL [glob1=0, mutex1={7:0}] - 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, 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: 0.4s, 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, 0.0s 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! [2021-11-02 22:13:08,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b52b68-a3ad-4ff9-9348-26b69b49ca88/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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