./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.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_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/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_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/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_d244625f-b276-4ddf-8304-498cd2a4881b/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 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 --- 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 16:58:05,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:05,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:05,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:05,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:05,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:05,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:05,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:05,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:05,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:05,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:05,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:05,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:05,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:05,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:05,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:05,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:05,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:05,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:05,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:05,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:05,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:05,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:05,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:05,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:05,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:05,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:05,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:05,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:05,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:05,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:05,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:05,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:05,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:05,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:05,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:05,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:05,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:05,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:05,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:05,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:05,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:05,777 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:05,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:05,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:05,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:05,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:05,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:05,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:05,780 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:05,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:05,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:05,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:05,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:05,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:05,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:05,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:05,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:05,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:05,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:05,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:05,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:05,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:05,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:05,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:05,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:05,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:05,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:05,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:05,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:05,784 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_d244625f-b276-4ddf-8304-498cd2a4881b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 [2022-10-17 16:58:06,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:06,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:06,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:06,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:06,062 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:06,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-10-17 16:58:06,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/23bbbc0a3/3553f548cae941d28e4e06c1286ac999/FLAG858927986 [2022-10-17 16:58:06,696 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:06,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-10-17 16:58:06,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/23bbbc0a3/3553f548cae941d28e4e06c1286ac999/FLAG858927986 [2022-10-17 16:58:07,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/23bbbc0a3/3553f548cae941d28e4e06c1286ac999 [2022-10-17 16:58:07,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:07,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:07,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:07,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:07,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:07,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a17bdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07, skipping insertion in model container [2022-10-17 16:58:07,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:07,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:07,567 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_d244625f-b276-4ddf-8304-498cd2a4881b/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2022-10-17 16:58:07,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:07,581 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:07,650 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_d244625f-b276-4ddf-8304-498cd2a4881b/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2022-10-17 16:58:07,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:07,699 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:07,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07 WrapperNode [2022-10-17 16:58:07,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:07,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:07,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:07,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:07,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,787 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:58:07,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:07,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:07,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:07,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:07,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:07,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:07,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:07,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:07,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:07,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:07,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:07,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:58:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:58:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:58:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:58:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:58:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:58:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:07,927 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 16:58:08,049 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:08,052 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:08,288 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:08,307 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:08,307 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:58:08,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:08 BoogieIcfgContainer [2022-10-17 16:58:08,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:08,311 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:08,312 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:08,323 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:08,323 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:08" (1/1) ... [2022-10-17 16:58:08,324 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 16:58:08,329 INFO L158 Benchmark]: Toolchain (without parser) took 1317.28ms. Allocated memory is still 125.8MB. Free memory was 96.7MB in the beginning and 70.7MB in the end (delta: 26.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-10-17 16:58:08,330 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:08,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.04ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 88.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:58:08,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.56ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:08,332 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 125.8MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:08,333 INFO L158 Benchmark]: RCFGBuilder took 475.50ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 71.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:58:08,334 INFO L158 Benchmark]: CodeCheck took 15.97ms. Allocated memory is still 125.8MB. Free memory was 71.6MB in the beginning and 70.7MB in the end (delta: 959.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:08,338 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 125.8MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.04ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 88.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.56ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 125.8MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 475.50ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 71.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.97ms. Allocated memory is still 125.8MB. Free memory was 71.6MB in the beginning and 70.7MB in the end (delta: 959.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:58:08,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/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 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_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/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_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/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_d244625f-b276-4ddf-8304-498cd2a4881b/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 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 --- 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 16:58:10,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:10,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:10,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:10,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:10,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:10,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:10,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:10,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:10,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:10,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:10,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:10,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:11,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:11,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:11,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:11,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:11,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:11,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:11,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:11,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:11,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:11,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:11,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:11,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:11,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:11,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:11,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:11,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:11,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:11,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:11,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:11,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:11,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:11,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:11,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:11,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:11,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:11,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:11,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:11,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:11,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:58:11,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:11,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:11,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:11,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:11,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:11,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:11,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:11,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:11,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:11,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:11,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:11,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:11,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:11,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:58:11,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:58:11,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:58:11,105 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:11,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:11,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:11,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:11,106 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:11,107 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:11,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:11,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:11,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:11,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:11,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:11,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:58:11,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:58:11,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:11,110 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:58:11,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:58:11,111 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_d244625f-b276-4ddf-8304-498cd2a4881b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 [2022-10-17 16:58:11,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:11,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:11,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:11,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:11,536 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:11,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-10-17 16:58:11,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/d38c62b3a/5e8068780675495d947f65ac127d54b4/FLAG0f7d50459 [2022-10-17 16:58:12,128 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:12,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-10-17 16:58:12,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/d38c62b3a/5e8068780675495d947f65ac127d54b4/FLAG0f7d50459 [2022-10-17 16:58:12,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/data/d38c62b3a/5e8068780675495d947f65ac127d54b4 [2022-10-17 16:58:12,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:12,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:12,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:12,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:12,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:12,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:12" (1/1) ... [2022-10-17 16:58:12,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353302d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:12, skipping insertion in model container [2022-10-17 16:58:12,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:12" (1/1) ... [2022-10-17 16:58:12,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:12,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:13,051 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_d244625f-b276-4ddf-8304-498cd2a4881b/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2022-10-17 16:58:13,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:13,080 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:13,159 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_d244625f-b276-4ddf-8304-498cd2a4881b/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2022-10-17 16:58:13,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:13,212 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:13,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13 WrapperNode [2022-10-17 16:58:13,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:13,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:13,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:13,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:13,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,273 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:58:13,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:13,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:13,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:13,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:13,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:13,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:13,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:13,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:13,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:13,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:13,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:58:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:58:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:58:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:58:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:58:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:58:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:58:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:58:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:13,441 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 16:58:13,577 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:13,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:13,880 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:13,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:13,891 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:58:13,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:13 BoogieIcfgContainer [2022-10-17 16:58:13,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:13,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:13,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:13,908 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:13,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,909 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 16:58:13,917 INFO L158 Benchmark]: Toolchain (without parser) took 1463.48ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 27.4MB in the beginning and 34.0MB in the end (delta: -6.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-10-17 16:58:13,918 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 65.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:13,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.43ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 27.2MB in the beginning and 38.2MB in the end (delta: -11.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-10-17 16:58:13,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.19ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:58:13,922 INFO L158 Benchmark]: Boogie Preprocessor took 64.15ms. Allocated memory is still 65.0MB. Free memory was 36.2MB in the beginning and 34.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:13,923 INFO L158 Benchmark]: RCFGBuilder took 556.66ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 35.1MB in the end (delta: -759.6kB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-10-17 16:58:13,924 INFO L158 Benchmark]: CodeCheck took 16.00ms. Allocated memory is still 65.0MB. Free memory was 35.1MB in the beginning and 34.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:13,933 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 52.4MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 65.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.43ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 27.2MB in the beginning and 38.2MB in the end (delta: -11.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.19ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.15ms. Allocated memory is still 65.0MB. Free memory was 36.2MB in the beginning and 34.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.66ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 35.1MB in the end (delta: -759.6kB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * CodeCheck took 16.00ms. Allocated memory is still 65.0MB. Free memory was 35.1MB in the beginning and 34.0MB in the end (delta: 1.1MB). 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 16:58:13,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d244625f-b276-4ddf-8304-498cd2a4881b/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