./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_safe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1723883ecbdb95d71ea3ec2c746fab3b92c3a077cf232c2150d4112b37a05f98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:00,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:00,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:00,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:00,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:00,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:00,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:00,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:00,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:00,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:00,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:00,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:00,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:00,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:00,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:00,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:00,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:00,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:00,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:00,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:00,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:00,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:00,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:00,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:00,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:00,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:00,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:00,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:00,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:00,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:00,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:00,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:00,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:00,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:00,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:00,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:00,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:00,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:00,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:00,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:00,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:00,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:00,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:00,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:00,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:00,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:00,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:00,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:00,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:00,936 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:00,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:00,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:00,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:00,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:00,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:00,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:00,944 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:00,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:00,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:00,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:00,945 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:00,946 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:00,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:00,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:00,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:00,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:00,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:00,947 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:00,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:00,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:00,948 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_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1723883ecbdb95d71ea3ec2c746fab3b92c3a077cf232c2150d4112b37a05f98 [2021-11-22 23:18:01,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:01,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:01,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:01,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:01,288 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:01,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/fib_safe-7.i [2021-11-22 23:18:01,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/e60f424d0/cff4c3c203664dcbaa5ab76e1172abc8/FLAG9696f04c7 [2021-11-22 23:18:01,924 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:01,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/sv-benchmarks/c/pthread/fib_safe-7.i [2021-11-22 23:18:01,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/e60f424d0/cff4c3c203664dcbaa5ab76e1172abc8/FLAG9696f04c7 [2021-11-22 23:18:02,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/e60f424d0/cff4c3c203664dcbaa5ab76e1172abc8 [2021-11-22 23:18:02,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:02,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:02,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:02,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:02,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:02,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:02,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6971531e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02, skipping insertion in model container [2021-11-22 23:18:02,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:02,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:02,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:02,807 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_7b9549a7-ea48-4837-8745-e70484f5f889/sv-benchmarks/c/pthread/fib_safe-7.i[30813,30826] [2021-11-22 23:18:02,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:02,820 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:02,881 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_7b9549a7-ea48-4837-8745-e70484f5f889/sv-benchmarks/c/pthread/fib_safe-7.i[30813,30826] [2021-11-22 23:18:02,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:02,928 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:02,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02 WrapperNode [2021-11-22 23:18:02,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:02,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:02,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:02,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:02,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:02,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,007 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-22 23:18:03,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:03,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:03,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:03,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:03,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:03,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:03,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:03,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:03,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:02" (1/1) ... [2021-11-22 23:18:03,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:03,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:03,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:03,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-22 23:18:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-22 23:18:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-22 23:18:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-22 23:18:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:18:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:18:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:18:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:18:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:18:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:18:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:03,175 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:18:03,315 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:03,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:03,541 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:03,552 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:03,552 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:18:03,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:03 BoogieIcfgContainer [2021-11-22 23:18:03,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:18:03,556 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:18:03,556 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:18:03,566 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:18:03,567 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:03" (1/1) ... [2021-11-22 23:18:03,568 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 23:18:03,572 INFO L158 Benchmark]: Toolchain (without parser) took 1312.38ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 72.3MB in the beginning and 76.1MB in the end (delta: -3.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-22 23:18:03,573 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:03,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.17ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 72.0MB in the beginning and 92.6MB in the end (delta: -20.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:18:03,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.67ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 90.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:03,576 INFO L158 Benchmark]: Boogie Preprocessor took 48.55ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:03,577 INFO L158 Benchmark]: RCFGBuilder took 496.90ms. Allocated memory is still 125.8MB. Free memory was 89.3MB in the beginning and 77.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:18:03,577 INFO L158 Benchmark]: CodeCheck took 14.50ms. Allocated memory is still 125.8MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:03,581 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 102.8MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.17ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 72.0MB in the beginning and 92.6MB in the end (delta: -20.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.67ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 90.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.55ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.90ms. Allocated memory is still 125.8MB. Free memory was 89.3MB in the beginning and 77.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14.50ms. Allocated memory is still 125.8MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:18:03,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1723883ecbdb95d71ea3ec2c746fab3b92c3a077cf232c2150d4112b37a05f98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:05,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:05,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:06,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:06,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:06,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:06,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:06,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:06,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:06,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:06,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:06,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:06,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:06,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:06,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:06,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:06,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:06,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:06,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:06,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:06,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:06,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:06,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:06,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:06,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:06,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:06,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:06,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:06,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:06,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:06,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:06,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:06,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:06,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:06,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:06,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:06,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:06,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:06,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:06,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:06,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:06,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:18:06,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:06,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:06,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:06,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:06,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:06,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:06,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:06,187 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:06,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:06,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:06,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:06,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:06,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:06,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:18:06,189 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:18:06,189 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:18:06,189 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:06,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:06,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:06,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:06,190 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:06,190 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:06,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:06,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:06,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:06,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:06,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:06,191 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:18:06,192 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:18:06,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:06,192 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:18:06,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:18:06,193 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_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1723883ecbdb95d71ea3ec2c746fab3b92c3a077cf232c2150d4112b37a05f98 [2021-11-22 23:18:06,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:06,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:06,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:06,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:06,590 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:06,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/fib_safe-7.i [2021-11-22 23:18:06,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/1469f117a/96bafeadca5a4e7fb7e5447e12ed438a/FLAG39bf736e4 [2021-11-22 23:18:07,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:07,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/sv-benchmarks/c/pthread/fib_safe-7.i [2021-11-22 23:18:07,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/1469f117a/96bafeadca5a4e7fb7e5447e12ed438a/FLAG39bf736e4 [2021-11-22 23:18:07,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/data/1469f117a/96bafeadca5a4e7fb7e5447e12ed438a [2021-11-22 23:18:07,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:07,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:07,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:07,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:07,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:07,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:07" (1/1) ... [2021-11-22 23:18:07,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d7c2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:07, skipping insertion in model container [2021-11-22 23:18:07,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:07" (1/1) ... [2021-11-22 23:18:07,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:07,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:08,189 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_7b9549a7-ea48-4837-8745-e70484f5f889/sv-benchmarks/c/pthread/fib_safe-7.i[30813,30826] [2021-11-22 23:18:08,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:08,217 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:08,254 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_7b9549a7-ea48-4837-8745-e70484f5f889/sv-benchmarks/c/pthread/fib_safe-7.i[30813,30826] [2021-11-22 23:18:08,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:08,297 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:08,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08 WrapperNode [2021-11-22 23:18:08,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:08,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:08,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:08,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:08,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,345 INFO L137 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-22 23:18:08,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:08,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:08,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:08,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:08,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:08,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:08,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:08,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:08,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:08,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:08,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:08,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-22 23:18:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-22 23:18:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-22 23:18:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-22 23:18:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:18:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:18:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:18:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:18:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:18:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:18:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:08,519 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:18:08,632 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:08,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:08,812 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:08,820 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:08,820 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:18:08,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:08 BoogieIcfgContainer [2021-11-22 23:18:08,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:18:08,823 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:18:08,824 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:18:08,833 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:18:08,833 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:08" (1/1) ... [2021-11-22 23:18:08,834 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 23:18:08,838 INFO L158 Benchmark]: Toolchain (without parser) took 1227.93ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 31.4MB in the end (delta: 6.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-22 23:18:08,839 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:08,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.46ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 33.3MB in the end (delta: 3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:18:08,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.15ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 31.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:08,841 INFO L158 Benchmark]: Boogie Preprocessor took 36.65ms. Allocated memory is still 60.8MB. Free memory was 31.1MB in the beginning and 29.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:08,842 INFO L158 Benchmark]: RCFGBuilder took 439.21ms. Allocated memory is still 60.8MB. Free memory was 29.3MB in the beginning and 32.4MB in the end (delta: -3.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-22 23:18:08,843 INFO L158 Benchmark]: CodeCheck took 12.80ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 31.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:08,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.46ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 33.3MB in the end (delta: 3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.15ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 31.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.65ms. Allocated memory is still 60.8MB. Free memory was 31.1MB in the beginning and 29.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.21ms. Allocated memory is still 60.8MB. Free memory was 29.3MB in the beginning and 32.4MB in the end (delta: -3.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * CodeCheck took 12.80ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 31.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:18:08,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9549a7-ea48-4837-8745-e70484f5f889/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported