./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB --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 a938b9e3b803ef0b08d2618a78ac055be54a6e48f84c6853aab11e3467af8157 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:41:33,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:33,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:33,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:33,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:33,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:33,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:33,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:33,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:33,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:33,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:33,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:33,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:33,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:33,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:33,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:33,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:33,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:33,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:33,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:33,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:33,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:33,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:33,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:33,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:33,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:33,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:33,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:33,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:33,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:33,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:33,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:33,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:33,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:33,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:33,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:33,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:33,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:33,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:33,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:33,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:33,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:33,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:33,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:33,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:33,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:33,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:33,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:33,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:33,915 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:33,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:33,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:33,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:33,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:33,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:33,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:33,917 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:33,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:33,917 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:33,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:33,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:33,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:33,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:33,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:33,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:33,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:33,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:33,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:33,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:33,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:33,920 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a938b9e3b803ef0b08d2618a78ac055be54a6e48f84c6853aab11e3467af8157 [2022-10-17 16:41:34,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:34,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:34,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:34,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:34,256 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:34,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-10-17 16:41:34,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/7848f2eca/00be5522f3c1442891faba5b5444c664/FLAGc9cc3a476 [2022-10-17 16:41:34,850 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:34,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-10-17 16:41:34,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/7848f2eca/00be5522f3c1442891faba5b5444c664/FLAGc9cc3a476 [2022-10-17 16:41:35,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/7848f2eca/00be5522f3c1442891faba5b5444c664 [2022-10-17 16:41:35,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:35,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:35,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:35,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:35,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:35,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6382ca68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35, skipping insertion in model container [2022-10-17 16:41:35,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:35,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:35,668 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/sv-benchmarks/c/pthread/fib_unsafe-7.i[30811,30824] [2022-10-17 16:41:35,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:35,680 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:35,717 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/sv-benchmarks/c/pthread/fib_unsafe-7.i[30811,30824] [2022-10-17 16:41:35,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:35,755 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:35,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35 WrapperNode [2022-10-17 16:41:35,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:35,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:35,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:35,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:35,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,801 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:41:35,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:35,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:35,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:35,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:35,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:35,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:35,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:35,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:35,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:35" (1/1) ... [2022-10-17 16:41:35,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:35,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:35,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:35,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:41:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:41:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:41:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:41:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:41:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:41:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:41:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:41:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:41:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:35,938 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:41:36,121 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:36,124 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:36,376 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:36,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:36,384 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:41:36,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:36 BoogieIcfgContainer [2022-10-17 16:41:36,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:36,388 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:36,388 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:36,410 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:36,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:36" (1/1) ... [2022-10-17 16:41:36,411 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) [2022-10-17 16:41:36,419 INFO L158 Benchmark]: Toolchain (without parser) took 1251.15ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 54.8MB in the beginning and 93.3MB in the end (delta: -38.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-10-17 16:41:36,420 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:36,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.76ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 57.1MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:41:36,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.54ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:36,423 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:36,423 INFO L158 Benchmark]: RCFGBuilder took 554.48ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 40.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:41:36,424 INFO L158 Benchmark]: CodeCheck took 29.82ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 40.2MB in the beginning and 93.3MB in the end (delta: -53.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-10-17 16:41:36,429 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 94.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.76ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 57.1MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.54ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.48ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 40.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 29.82ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 40.2MB in the beginning and 93.3MB in the end (delta: -53.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:41:36,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB --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 a938b9e3b803ef0b08d2618a78ac055be54a6e48f84c6853aab11e3467af8157 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:41:39,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:39,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:39,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:39,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:39,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:39,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:39,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:39,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:39,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:39,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:39,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:39,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:39,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:39,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:39,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:39,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:39,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:39,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:39,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:39,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:39,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:39,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:39,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:39,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:39,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:39,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:39,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:39,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:39,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:39,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:39,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:39,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:39,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:39,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:39,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:39,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:39,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:39,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:39,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:39,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:39,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:41:39,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:39,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:39,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:39,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:39,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:39,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:39,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:39,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:39,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:39,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:39,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:39,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:39,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:39,199 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:41:39,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:41:39,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:41:39,199 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:39,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:39,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:39,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:39,200 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:39,201 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:39,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:39,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:39,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:39,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:39,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:39,202 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:41:39,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:41:39,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:39,203 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:41:39,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:41:39,203 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a938b9e3b803ef0b08d2618a78ac055be54a6e48f84c6853aab11e3467af8157 [2022-10-17 16:41:39,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:39,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:39,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:39,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:39,589 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:39,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-10-17 16:41:39,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/2ea4a9784/ddd91154da59410d91c2dda4f0763800/FLAGb1a34a0e2 [2022-10-17 16:41:40,245 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:40,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-10-17 16:41:40,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/2ea4a9784/ddd91154da59410d91c2dda4f0763800/FLAGb1a34a0e2 [2022-10-17 16:41:40,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/data/2ea4a9784/ddd91154da59410d91c2dda4f0763800 [2022-10-17 16:41:40,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:40,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:40,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:40,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:40,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:40,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d476d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40, skipping insertion in model container [2022-10-17 16:41:40,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:40,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:41,003 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/sv-benchmarks/c/pthread/fib_unsafe-7.i[30811,30824] [2022-10-17 16:41:41,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:41,022 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:41,101 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_aacd5a68-209b-4933-b7e2-bb4a53496ce8/sv-benchmarks/c/pthread/fib_unsafe-7.i[30811,30824] [2022-10-17 16:41:41,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:41,157 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:41,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41 WrapperNode [2022-10-17 16:41:41,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:41,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:41,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:41,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:41,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,244 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:41:41,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:41,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:41,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:41,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:41,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,304 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:41,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:41,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:41,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:41,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:41,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:41,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:41:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:41:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:41:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:41:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:41:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:41:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:41:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:41:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:41:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:41:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:41,423 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:41:41,584 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:41,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:41,905 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:41,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:41,919 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:41:41,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41 BoogieIcfgContainer [2022-10-17 16:41:41,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:41,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:41,926 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:41,936 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:41,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,937 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) [2022-10-17 16:41:41,945 INFO L158 Benchmark]: Toolchain (without parser) took 1420.24ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 38.4MB in the beginning and 62.4MB in the end (delta: -24.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,946 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:41,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.82ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 34.0MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.69ms. Allocated memory is still 60.8MB. Free memory was 33.9MB in the beginning and 31.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,949 INFO L158 Benchmark]: Boogie Preprocessor took 68.59ms. Allocated memory is still 60.8MB. Free memory was 31.8MB in the beginning and 29.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,950 INFO L158 Benchmark]: RCFGBuilder took 606.60ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 29.8MB in the beginning and 63.5MB in the end (delta: -33.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,952 INFO L158 Benchmark]: CodeCheck took 16.69ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 861.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,962 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 0.33ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.82ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 34.0MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.69ms. Allocated memory is still 60.8MB. Free memory was 33.9MB in the beginning and 31.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.59ms. Allocated memory is still 60.8MB. Free memory was 31.8MB in the beginning and 29.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.60ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 29.8MB in the beginning and 63.5MB in the end (delta: -33.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16.69ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 861.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:41:42,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd5a68-209b-4933-b7e2-bb4a53496ce8/bin/ukojak-92XMlrwhuB/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