./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38d4dff022ef4d2ea830e2718ea99215413d1e3f67567ac017eaf8275c303ef0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:56:39,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:56:39,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:56:39,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:56:39,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:56:39,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:56:39,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:56:39,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:56:39,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:56:39,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:56:39,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:56:39,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:56:39,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:56:39,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:56:39,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:56:39,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:56:39,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:56:39,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:56:39,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:56:39,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:56:39,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:56:39,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:56:39,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:56:39,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:56:39,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:56:39,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:56:39,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:56:39,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:56:39,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:56:39,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:56:39,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:56:39,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:56:39,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:56:39,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:56:39,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:56:39,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:56:39,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:56:39,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:56:39,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:56:39,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:56:39,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:56:39,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:56:39,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:56:39,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:56:39,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:56:39,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:56:39,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:56:39,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:56:39,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:56:39,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:56:39,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:56:39,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:56:39,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:56:39,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:56:39,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:56:39,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:56:39,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:56:39,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:56:39,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:56:39,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:56:39,827 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:56:39,827 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:56:39,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:56:39,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:39,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:56:39,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:56:39,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:56:39,829 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:56:39,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:56:39,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:56:39,830 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_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38d4dff022ef4d2ea830e2718ea99215413d1e3f67567ac017eaf8275c303ef0 [2021-11-23 00:56:40,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:56:40,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:56:40,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:56:40,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:56:40,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:56:40,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2021-11-23 00:56:40,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/24a1c0bd5/d524085c90e24b27ab1788f0ba751129/FLAGdcb07b9c7 [2021-11-23 00:56:40,828 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:56:40,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/sv-benchmarks/c/pthread/fib_unsafe-10.i [2021-11-23 00:56:40,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/24a1c0bd5/d524085c90e24b27ab1788f0ba751129/FLAGdcb07b9c7 [2021-11-23 00:56:41,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/24a1c0bd5/d524085c90e24b27ab1788f0ba751129 [2021-11-23 00:56:41,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:56:41,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:56:41,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:41,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:56:41,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:56:41,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b9f1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41, skipping insertion in model container [2021-11-23 00:56:41,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:56:41,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:56:41,665 WARN L230 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_39957443-d888-471a-82b6-159aba7e3d12/sv-benchmarks/c/pthread/fib_unsafe-10.i[30813,30826] [2021-11-23 00:56:41,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:41,678 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:56:41,747 WARN L230 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_39957443-d888-471a-82b6-159aba7e3d12/sv-benchmarks/c/pthread/fib_unsafe-10.i[30813,30826] [2021-11-23 00:56:41,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:41,803 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:56:41,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41 WrapperNode [2021-11-23 00:56:41,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:41,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:41,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:56:41,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:56:41,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,883 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 00:56:41,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:41,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:56:41,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:56:41,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:56:41,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:56:41,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:56:41,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:56:41,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:56:41,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:41" (1/1) ... [2021-11-23 00:56:41,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:41,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:56:41,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:56:42,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:56:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 00:56:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 00:56:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 00:56:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 00:56:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:56:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:56:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:56:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:56:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:56:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:56:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:56:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:56:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:56:42,037 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:56:42,225 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:56:42,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:56:42,472 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:56:42,479 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:56:42,481 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:56:42,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:42 BoogieIcfgContainer [2021-11-23 00:56:42,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:56:42,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:56:42,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:56:42,496 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:56:42,496 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:42" (1/1) ... [2021-11-23 00:56:42,497 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:56:42,506 INFO L158 Benchmark]: Toolchain (without parser) took 1432.53ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 56.7MB in the end (delta: 19.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:42,508 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 33.0MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:42,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.41ms. Allocated memory is still 107.0MB. Free memory was 75.8MB in the beginning and 72.9MB in the end (delta: 2.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:56:42,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.67ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:42,512 INFO L158 Benchmark]: Boogie Preprocessor took 59.00ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 69.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:42,513 INFO L158 Benchmark]: RCFGBuilder took 540.51ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 57.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:56:42,514 INFO L158 Benchmark]: CodeCheck took 19.09ms. Allocated memory is still 107.0MB. Free memory was 57.2MB in the beginning and 56.7MB in the end (delta: 509.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:42,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 33.0MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.41ms. Allocated memory is still 107.0MB. Free memory was 75.8MB in the beginning and 72.9MB in the end (delta: 2.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.67ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.00ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 69.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.51ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 57.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 19.09ms. Allocated memory is still 107.0MB. Free memory was 57.2MB in the beginning and 56.7MB in the end (delta: 509.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:56:42,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38d4dff022ef4d2ea830e2718ea99215413d1e3f67567ac017eaf8275c303ef0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:56:44,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:56:44,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:56:45,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:56:45,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:56:45,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:56:45,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:56:45,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:56:45,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:56:45,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:56:45,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:56:45,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:56:45,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:56:45,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:56:45,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:56:45,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:56:45,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:56:45,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:56:45,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:56:45,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:56:45,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:56:45,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:56:45,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:56:45,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:56:45,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:56:45,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:56:45,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:56:45,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:56:45,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:56:45,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:56:45,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:56:45,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:56:45,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:56:45,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:56:45,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:56:45,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:56:45,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:56:45,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:56:45,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:56:45,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:56:45,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:56:45,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:56:45,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:56:45,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:56:45,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:56:45,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:56:45,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:56:45,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:56:45,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:56:45,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:56:45,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:56:45,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:56:45,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:56:45,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:56:45,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:56:45,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:56:45,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:56:45,160 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:56:45,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:56:45,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:56:45,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:56:45,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:56:45,161 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:56:45,161 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:56:45,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:56:45,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:45,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:56:45,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:56:45,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:56:45,163 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:56:45,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:56:45,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:56:45,163 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:56:45,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:56:45,164 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38d4dff022ef4d2ea830e2718ea99215413d1e3f67567ac017eaf8275c303ef0 [2021-11-23 00:56:45,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:56:45,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:56:45,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:56:45,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:56:45,590 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:56:45,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2021-11-23 00:56:45,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/5ac2ef97f/3cc95433c955412995c3fae796704275/FLAG00da55541 [2021-11-23 00:56:46,194 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:56:46,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/sv-benchmarks/c/pthread/fib_unsafe-10.i [2021-11-23 00:56:46,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/5ac2ef97f/3cc95433c955412995c3fae796704275/FLAG00da55541 [2021-11-23 00:56:46,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/data/5ac2ef97f/3cc95433c955412995c3fae796704275 [2021-11-23 00:56:46,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:56:46,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:56:46,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:46,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:56:46,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:56:46,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:46" (1/1) ... [2021-11-23 00:56:46,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffb32a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:46, skipping insertion in model container [2021-11-23 00:56:46,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:46" (1/1) ... [2021-11-23 00:56:46,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:56:46,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:56:47,000 WARN L230 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_39957443-d888-471a-82b6-159aba7e3d12/sv-benchmarks/c/pthread/fib_unsafe-10.i[30813,30826] [2021-11-23 00:56:47,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:47,016 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:56:47,059 WARN L230 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_39957443-d888-471a-82b6-159aba7e3d12/sv-benchmarks/c/pthread/fib_unsafe-10.i[30813,30826] [2021-11-23 00:56:47,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:47,102 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:56:47,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47 WrapperNode [2021-11-23 00:56:47,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:47,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:47,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:56:47,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:56:47,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,156 INFO L137 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 00:56:47,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:47,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:56:47,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:56:47,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:56:47,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:56:47,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:56:47,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:56:47,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:56:47,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:47,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:56:47,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:56:47,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:56:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 00:56:47,323 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 00:56:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 00:56:47,323 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 00:56:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:56:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:56:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:56:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:56:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:56:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:56:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:56:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:56:47,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:56:47,333 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:56:47,522 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:56:47,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:56:47,767 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:56:47,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:56:47,774 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:56:47,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:47 BoogieIcfgContainer [2021-11-23 00:56:47,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:56:47,778 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:56:47,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:56:47,787 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:56:47,787 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:47" (1/1) ... [2021-11-23 00:56:47,788 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:56:47,792 INFO L158 Benchmark]: Toolchain (without parser) took 1281.68ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 41.5MB in the end (delta: -8.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 00:56:47,793 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:47,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.25ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 41.8MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:56:47,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.66ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:47,795 INFO L158 Benchmark]: Boogie Preprocessor took 66.75ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 38.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:56:47,796 INFO L158 Benchmark]: RCFGBuilder took 549.75ms. Allocated memory is still 69.2MB. Free memory was 37.8MB in the beginning and 42.4MB in the end (delta: -4.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 00:56:47,797 INFO L158 Benchmark]: CodeCheck took 12.98ms. Allocated memory is still 69.2MB. Free memory was 42.4MB in the beginning and 41.5MB in the end (delta: 848.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:47,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.25ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 41.8MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.66ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.75ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 38.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 549.75ms. Allocated memory is still 69.2MB. Free memory was 37.8MB in the beginning and 42.4MB in the end (delta: -4.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 12.98ms. Allocated memory is still 69.2MB. Free memory was 42.4MB in the beginning and 41.5MB in the end (delta: 848.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:56:47,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39957443-d888-471a-82b6-159aba7e3d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported