./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_safe-10.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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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 a48fe857d08ac3a4ba438de35e4bd3e7e5363b4267f7ed4ba2475f684ca08cd5 --- 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 16:30:09,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:09,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:09,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:09,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:09,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:09,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:09,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:09,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:09,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:09,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:09,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:09,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:09,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:09,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:09,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:09,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:09,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:09,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:09,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:09,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:09,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:09,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:09,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:09,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:09,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:09,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:09,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:09,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:09,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:09,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:09,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:09,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:09,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:09,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:09,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:09,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:09,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:09,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:09,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:09,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:09,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:09,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:09,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:09,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:09,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:09,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:09,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:09,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:09,835 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:09,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:09,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:09,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:09,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:09,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:09,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:09,837 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:09,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:09,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:09,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:09,838 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:09,839 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:09,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:09,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:09,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:09,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:09,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:09,840 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:09,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:09,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:09,846 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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48fe857d08ac3a4ba438de35e4bd3e7e5363b4267f7ed4ba2475f684ca08cd5 [2022-10-17 16:30:10,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:10,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:10,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:10,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:10,130 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:10,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-10.i [2022-10-17 16:30:10,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/e90ded684/d8dc316f4e6e481782f28b961a81ae04/FLAG7467c8497 [2022-10-17 16:30:10,743 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:10,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/sv-benchmarks/c/pthread/fib_safe-10.i [2022-10-17 16:30:10,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/e90ded684/d8dc316f4e6e481782f28b961a81ae04/FLAG7467c8497 [2022-10-17 16:30:11,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/e90ded684/d8dc316f4e6e481782f28b961a81ae04 [2022-10-17 16:30:11,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:11,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:11,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:11,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:11,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:11,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc589bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11, skipping insertion in model container [2022-10-17 16:30:11,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:11,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:11,550 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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/sv-benchmarks/c/pthread/fib_safe-10.i[30815,30828] [2022-10-17 16:30:11,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:11,569 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:11,639 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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/sv-benchmarks/c/pthread/fib_safe-10.i[30815,30828] [2022-10-17 16:30:11,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:11,705 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:11,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11 WrapperNode [2022-10-17 16:30:11,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:11,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:11,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:11,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:11,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,780 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:30:11,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:11,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:11,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:11,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:11,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:11,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:11,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:11,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:11,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:11" (1/1) ... [2022-10-17 16:30:11,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:11,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:11,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:11,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:30:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:30:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:30:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:30:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:30:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:30:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:11,948 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 16:30:12,089 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:12,091 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:12,357 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:12,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:12,372 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:30:12,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:12 BoogieIcfgContainer [2022-10-17 16:30:12,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:12,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:12,376 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:12,386 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:12,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:12" (1/1) ... [2022-10-17 16:30:12,388 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 16:30:12,392 INFO L158 Benchmark]: Toolchain (without parser) took 1342.06ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.3MB in the beginning and 47.8MB in the end (delta: 12.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-10-17 16:30:12,393 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:12,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.99ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.1MB in the beginning and 65.8MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:30:12,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.77ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 63.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:12,395 INFO L158 Benchmark]: Boogie Preprocessor took 63.99ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 62.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:12,396 INFO L158 Benchmark]: RCFGBuilder took 527.97ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 48.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:30:12,397 INFO L158 Benchmark]: CodeCheck took 14.58ms. Allocated memory is still 100.7MB. Free memory was 48.6MB in the beginning and 47.8MB in the end (delta: 835.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:12,400 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 0.35ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.99ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.1MB in the beginning and 65.8MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.77ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 63.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.99ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 62.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.97ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 48.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14.58ms. Allocated memory is still 100.7MB. Free memory was 48.6MB in the beginning and 47.8MB in the end (delta: 835.8kB). 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 16:30:12,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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 a48fe857d08ac3a4ba438de35e4bd3e7e5363b4267f7ed4ba2475f684ca08cd5 --- 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 16:30:15,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:15,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:15,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:15,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:15,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:15,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:15,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:15,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:15,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:15,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:15,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:15,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:15,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:15,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:15,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:15,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:15,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:15,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:15,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:15,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:15,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:15,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:15,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:15,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:15,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:15,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:15,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:15,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:15,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:15,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:15,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:15,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:15,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:15,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:15,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:15,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:15,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:15,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:15,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:15,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:15,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:30:15,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:15,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:15,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:15,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:15,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:15,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:15,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:15,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:15,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:15,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:15,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:15,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:15,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:15,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:30:15,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:30:15,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:30:15,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:15,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:15,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:15,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:15,331 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:15,332 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:15,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:15,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:15,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:15,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:15,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:15,333 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:30:15,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:30:15,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:15,334 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:30:15,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:30:15,336 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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48fe857d08ac3a4ba438de35e4bd3e7e5363b4267f7ed4ba2475f684ca08cd5 [2022-10-17 16:30:15,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:15,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:15,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:15,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:15,730 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:15,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-10.i [2022-10-17 16:30:15,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/3e0769db3/ae736c4d155f4dc1a9c187a399328a0c/FLAG5962053b4 [2022-10-17 16:30:16,418 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:16,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/sv-benchmarks/c/pthread/fib_safe-10.i [2022-10-17 16:30:16,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/3e0769db3/ae736c4d155f4dc1a9c187a399328a0c/FLAG5962053b4 [2022-10-17 16:30:16,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/data/3e0769db3/ae736c4d155f4dc1a9c187a399328a0c [2022-10-17 16:30:16,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:16,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:16,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:16,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:16,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:16,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:16" (1/1) ... [2022-10-17 16:30:16,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335e65bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:16, skipping insertion in model container [2022-10-17 16:30:16,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:16" (1/1) ... [2022-10-17 16:30:16,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:16,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:17,239 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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/sv-benchmarks/c/pthread/fib_safe-10.i[30815,30828] [2022-10-17 16:30:17,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:17,260 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:17,335 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_b8ed4805-e1b7-43fb-8db2-25baf2438db1/sv-benchmarks/c/pthread/fib_safe-10.i[30815,30828] [2022-10-17 16:30:17,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:17,412 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:17,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17 WrapperNode [2022-10-17 16:30:17,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:17,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:17,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:17,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:17,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,498 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:30:17,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:17,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:17,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:17,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:17,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:17,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:17,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:17,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:17,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:17" (1/1) ... [2022-10-17 16:30:17,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:17,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:17,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:17,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:30:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:30:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:30:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:30:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:30:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:30:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:17,666 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 16:30:17,849 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:17,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:18,122 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:18,130 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:18,131 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:30:18,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:18 BoogieIcfgContainer [2022-10-17 16:30:18,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:18,134 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:18,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:18,145 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:18,145 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:18" (1/1) ... [2022-10-17 16:30:18,146 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 16:30:18,151 INFO L158 Benchmark]: Toolchain (without parser) took 1420.22ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.0MB in the beginning and 38.9MB in the end (delta: -11.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-10-17 16:30:18,152 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:18,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.33ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.8MB in the beginning and 43.5MB in the end (delta: -15.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-10-17 16:30:18,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.83ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:18,154 INFO L158 Benchmark]: Boogie Preprocessor took 75.09ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 39.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:18,155 INFO L158 Benchmark]: RCFGBuilder took 558.53ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.8MB in the end (delta: -374.3kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:30:18,156 INFO L158 Benchmark]: CodeCheck took 14.38ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 38.9MB in the end (delta: 849.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:18,160 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 0.24ms. Allocated memory is still 52.4MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.33ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.8MB in the beginning and 43.5MB in the end (delta: -15.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.83ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.09ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 39.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.53ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.8MB in the end (delta: -374.3kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.38ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 38.9MB in the end (delta: 849.0kB). 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 16:30:18,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ed4805-e1b7-43fb-8db2-25baf2438db1/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