./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_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_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/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_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/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_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/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 20dae7273c9ad3a6d355b75e8e9c34bab889233eade1dd1c1fdade38b25749cb ............................................................................................................................................................................................................................................................................................................................................................. 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 09:34:27,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:34:27,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:34:27,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:34:27,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:34:27,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:34:27,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:34:27,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:34:27,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:34:27,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:34:27,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:34:27,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:34:27,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:34:27,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:34:27,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:34:27,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:34:27,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:34:27,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:34:27,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:34:27,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:34:27,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:34:27,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:34:27,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:34:27,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:34:27,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:34:27,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:34:27,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:34:27,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:34:27,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:34:27,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:34:27,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:34:27,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:34:27,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:34:27,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:34:27,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:34:27,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:34:27,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:34:27,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:34:27,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:34:27,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:34:27,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:34:27,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:34:28,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:34:28,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:34:28,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:34:28,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:34:28,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:34:28,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:34:28,017 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:34:28,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:34:28,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:34:28,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:34:28,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:34:28,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:34:28,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:34:28,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:34:28,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:34:28,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:34:28,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:34:28,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:34:28,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:34:28,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:34:28,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:34:28,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:34:28,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:34:28,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:34:28,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:34:28,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:34:28,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:34:28,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:34:28,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:34:28,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:34:28,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:34:28,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:34:28,026 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_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20dae7273c9ad3a6d355b75e8e9c34bab889233eade1dd1c1fdade38b25749cb [2021-10-28 09:34:28,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:34:28,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:34:28,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:34:28,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:34:28,495 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:34:28,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-10-28 09:34:28,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/data/50fdeaae5/e242960cdb704332bf211269f1f399b0/FLAGeafcf8bd2 [2021-10-28 09:34:29,422 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:34:29,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-10-28 09:34:29,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/data/50fdeaae5/e242960cdb704332bf211269f1f399b0/FLAGeafcf8bd2 [2021-10-28 09:34:29,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/data/50fdeaae5/e242960cdb704332bf211269f1f399b0 [2021-10-28 09:34:29,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:34:29,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:34:29,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:34:29,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:34:29,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:34:29,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:34:29" (1/1) ... [2021-10-28 09:34:29,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e67a393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:29, skipping insertion in model container [2021-10-28 09:34:29,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:34:29" (1/1) ... [2021-10-28 09:34:29,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:34:29,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:34:30,030 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_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[836,849] [2021-10-28 09:34:30,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:34:30,367 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:34:30,389 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_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[836,849] [2021-10-28 09:34:30,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:34:30,525 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:34:30,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30 WrapperNode [2021-10-28 09:34:30,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:34:30,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:34:30,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:34:30,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:34:30,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:34:30,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:34:30,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:34:30,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:34:30,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:34:30,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:34:30,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:34:30,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:34:30,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (1/1) ... [2021-10-28 09:34:30,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:34:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:30,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:30,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:34:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:34:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 09:34:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:34:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 09:34:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 09:34:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:34:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:34:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:34:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:34:30,823 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 09:34:31,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:34:31,414 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 09:34:31,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:34:31 BoogieIcfgContainer [2021-10-28 09:34:31,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:34:31,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:34:31,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:34:31,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:34:31,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:34:29" (1/3) ... [2021-10-28 09:34:31,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e0c91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:34:31, skipping insertion in model container [2021-10-28 09:34:31,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:30" (2/3) ... [2021-10-28 09:34:31,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e0c91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:34:31, skipping insertion in model container [2021-10-28 09:34:31,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:34:31" (3/3) ... [2021-10-28 09:34:31,433 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-10-28 09:34:31,442 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 09:34:31,442 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:34:31,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:34:31,443 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 09:34:31,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,493 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,494 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,495 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,495 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,506 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,508 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:34:31,518 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 09:34:31,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:34:31,613 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 09:34:31,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-28 09:34:31,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 145 flow [2021-10-28 09:34:31,732 INFO L129 PetriNetUnfolder]: 2/69 cut-off events. [2021-10-28 09:34:31,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:34:31,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 2/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2021-10-28 09:34:31,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 70 transitions, 145 flow [2021-10-28 09:34:31,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 59 transitions, 121 flow [2021-10-28 09:34:31,768 INFO L129 PetriNetUnfolder]: 1/58 cut-off events. [2021-10-28 09:34:31,768 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:34:31,769 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:34:31,770 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:34:31,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 09:34:31,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:31,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1670117729, now seen corresponding path program 1 times [2021-10-28 09:34:31,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:34:31,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280579664] [2021-10-28 09:34:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:31,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:34:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:34:32,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:34:32,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280579664] [2021-10-28 09:34:32,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280579664] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:34:32,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:34:32,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:34:32,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652428023] [2021-10-28 09:34:32,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:34:32,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:34:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:34:32,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:34:32,404 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 70 [2021-10-28 09:34:32,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 59 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:32,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:34:32,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 70 [2021-10-28 09:34:32,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:34:32,601 INFO L129 PetriNetUnfolder]: 9/116 cut-off events. [2021-10-28 09:34:32,602 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:34:32,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 116 events. 9/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 290 event pairs, 0 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 121. Up to 14 conditions per place. [2021-10-28 09:34:32,605 INFO L132 encePairwiseOnDemand]: 63/70 looper letters, 12 selfloop transitions, 3 changer transitions 8/71 dead transitions. [2021-10-28 09:34:32,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 189 flow [2021-10-28 09:34:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:34:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-28 09:34:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 365 transitions. [2021-10-28 09:34:32,627 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2021-10-28 09:34:32,628 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 365 transitions. [2021-10-28 09:34:32,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 365 transitions. [2021-10-28 09:34:32,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:34:32,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 365 transitions. [2021-10-28 09:34:32,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:32,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 70.0) internal successors, (490), 7 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:32,654 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 70.0) internal successors, (490), 7 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:32,657 INFO L186 Difference]: Start difference. First operand has 62 places, 59 transitions, 121 flow. Second operand 6 states and 365 transitions. [2021-10-28 09:34:32,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 189 flow [2021-10-28 09:34:32,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 71 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 09:34:32,668 INFO L242 Difference]: Finished difference. Result has 71 places, 59 transitions, 142 flow [2021-10-28 09:34:32,671 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=71, PETRI_TRANSITIONS=59} [2021-10-28 09:34:32,672 INFO L334 CegarLoopForPetriNet]: 62 programPoint places, 9 predicate places. [2021-10-28 09:34:32,673 INFO L470 AbstractCegarLoop]: Abstraction has has 71 places, 59 transitions, 142 flow [2021-10-28 09:34:32,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:32,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:34:32,674 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:34:32,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:34:32,675 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 09:34:32,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1018265921, now seen corresponding path program 1 times [2021-10-28 09:34:32,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:34:32,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389904514] [2021-10-28 09:34:32,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:32,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:34:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:32,778 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:34:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:32,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:34:32,911 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:34:32,914 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:34:32,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 09:34:32,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:34:32,922 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:34:32,927 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 09:34:32,928 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:34:33,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:34:33 BasicIcfg [2021-10-28 09:34:33,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:34:33,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:34:33,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:34:33,011 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:34:33,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:34:31" (3/4) ... [2021-10-28 09:34:33,027 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:34:33,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:34:33,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:34:33,114 INFO L168 Benchmark]: Toolchain (without parser) took 3493.11 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 49.3 MB in the beginning and 54.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,115 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:33,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.15 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 49.1 MB in the beginning and 81.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.31 ms. Allocated memory is still 115.3 MB. Free memory was 81.3 MB in the beginning and 79.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,118 INFO L168 Benchmark]: Boogie Preprocessor took 67.53 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 77.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,119 INFO L168 Benchmark]: RCFGBuilder took 728.62 ms. Allocated memory is still 115.3 MB. Free memory was 77.6 MB in the beginning and 65.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,120 INFO L168 Benchmark]: TraceAbstraction took 1588.11 ms. Allocated memory is still 115.3 MB. Free memory was 65.5 MB in the beginning and 59.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,121 INFO L168 Benchmark]: Witness Printer took 101.13 ms. Allocated memory is still 115.3 MB. Free memory was 59.8 MB in the beginning and 54.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:33,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 905.15 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 49.1 MB in the beginning and 81.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.31 ms. Allocated memory is still 115.3 MB. Free memory was 81.3 MB in the beginning and 79.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.53 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 77.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 728.62 ms. Allocated memory is still 115.3 MB. Free memory was 77.6 MB in the beginning and 65.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1588.11 ms. Allocated memory is still 115.3 MB. Free memory was 65.5 MB in the beginning and 59.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Witness Printer took 101.13 ms. Allocated memory is still 115.3 MB. Free memory was 59.8 MB in the beginning and 54.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 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 g = 42; VAL [g=42] [L677] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={7:0}, g=42] [L678] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={7:0}, B={9:0}, g=42] [L688] 0 int r = __VERIFIER_nondet_int(); VAL [A={7:0}, B={9:0}, g=42] [L689] 0 int t; VAL [A={7:0}, B={9:0}, g=42] [L690] 0 pthread_t id; VAL [A={7:0}, B={9:0}, g=42] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={7:0}, arg={0:0}, B={9:0}, g=42] [L694] COND TRUE 0 \read(r) VAL [A={7:0}, arg={0:0}, B={9:0}, g=42] [L695] 0 g = 17 VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L699] 0 t = g VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L13] COND TRUE 0 !(cond) VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L13] 0 reach_error() VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] - UnprovableResult [Line: 691]: 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, 81 locations, 2 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 15 SDslu, 30 SDs, 0 SdLazy, 22 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 09:34:33,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9edcd1-139a-4bb9-af53-c8d8ed0aad0c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...