./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5.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_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/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_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/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_41546dc6-1441-4cb6-b06c-b245391f8ccb/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 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 --- 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 16:49:37,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:37,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:37,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:37,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:37,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:37,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:37,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:37,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:37,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:37,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:37,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:37,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:37,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:37,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:37,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:37,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:37,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:37,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:37,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:37,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:37,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:37,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:37,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:37,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:37,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:37,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:37,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:37,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:37,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:37,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:37,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:37,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:37,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:37,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:37,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:37,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:37,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:37,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:37,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:37,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:37,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:37,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:37,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:37,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:37,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:37,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:37,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:37,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:37,943 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:37,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:37,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:37,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:37,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:37,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:37,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:37,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:37,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:37,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:37,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:37,948 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:37,948 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:37,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:37,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:37,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:37,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:37,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:37,951 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:37,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:37,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:37,952 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_41546dc6-1441-4cb6-b06c-b245391f8ccb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 [2022-10-17 16:49:38,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:38,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:38,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:38,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:38,359 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:38,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-5.i [2022-10-17 16:49:38,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/5cec50ebc/8414bc39444242a782a8908e6ad7fec1/FLAGb098fa041 [2022-10-17 16:49:39,051 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:39,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/sv-benchmarks/c/pthread/fib_safe-5.i [2022-10-17 16:49:39,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/5cec50ebc/8414bc39444242a782a8908e6ad7fec1/FLAGb098fa041 [2022-10-17 16:49:39,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/5cec50ebc/8414bc39444242a782a8908e6ad7fec1 [2022-10-17 16:49:39,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:39,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:39,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:39,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:39,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:39,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe34715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39, skipping insertion in model container [2022-10-17 16:49:39,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:39,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:39,742 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_41546dc6-1441-4cb6-b06c-b245391f8ccb/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2022-10-17 16:49:39,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:39,761 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:39,848 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_41546dc6-1441-4cb6-b06c-b245391f8ccb/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2022-10-17 16:49:39,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:39,892 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:39,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39 WrapperNode [2022-10-17 16:49:39,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:39,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:39,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:39,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:39,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,969 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:49:39,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:39,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:39,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:39,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:39,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:40,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:40,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:40,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:40,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:40,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:40,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:40,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:40,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:49:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:49:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:49:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:49:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:40,158 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 16:49:40,336 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:40,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:40,541 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:40,549 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:40,549 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:49:40,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:40 BoogieIcfgContainer [2022-10-17 16:49:40,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:40,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:40,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:40,583 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:40,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,585 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 16:49:40,589 INFO L158 Benchmark]: Toolchain (without parser) took 1279.06ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 36.0MB in the end (delta: 29.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-10-17 16:49:40,590 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:40,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.01ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 53.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:40,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.08ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:40,593 INFO L158 Benchmark]: Boogie Preprocessor took 66.40ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 50.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:40,594 INFO L158 Benchmark]: RCFGBuilder took 514.62ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 37.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:40,594 INFO L158 Benchmark]: CodeCheck took 34.09ms. Allocated memory is still 90.2MB. Free memory was 36.8MB in the beginning and 36.0MB in the end (delta: 800.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:40,599 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 0.36ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.01ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 53.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.08ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.40ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 50.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.62ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 37.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 34.09ms. Allocated memory is still 90.2MB. Free memory was 36.8MB in the beginning and 36.0MB in the end (delta: 800.3kB). 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 16:49:40,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/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_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/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_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/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_41546dc6-1441-4cb6-b06c-b245391f8ccb/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 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 --- 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 16:49:43,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:43,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:43,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:43,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:43,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:43,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:43,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:43,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:43,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:43,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:43,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:43,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:43,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:43,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:43,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:43,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:43,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:43,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:43,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:43,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:43,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:43,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:43,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:43,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:43,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:43,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:43,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:43,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:43,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:43,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:43,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:43,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:43,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:43,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:43,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:43,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:43,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:43,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:43,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:43,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:43,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:49:43,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:43,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:43,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:43,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:43,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:43,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:43,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:43,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:43,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:43,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:43,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:43,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:43,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:43,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:49:43,486 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:49:43,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:49:43,487 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:43,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:43,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:43,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:43,488 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:43,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:43,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:43,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:43,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:43,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:43,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:43,491 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:49:43,491 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:49:43,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:43,492 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:49:43,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:49:43,493 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_41546dc6-1441-4cb6-b06c-b245391f8ccb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 [2022-10-17 16:49:43,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:43,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:43,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:43,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:43,974 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:43,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-5.i [2022-10-17 16:49:44,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/cead8f33a/7575a101a94b44e484a7600ae384405f/FLAGace6589af [2022-10-17 16:49:44,690 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:44,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/sv-benchmarks/c/pthread/fib_safe-5.i [2022-10-17 16:49:44,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/cead8f33a/7575a101a94b44e484a7600ae384405f/FLAGace6589af [2022-10-17 16:49:44,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/data/cead8f33a/7575a101a94b44e484a7600ae384405f [2022-10-17 16:49:44,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:44,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:44,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:44,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:44,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:44,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:44" (1/1) ... [2022-10-17 16:49:44,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d7678f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:44, skipping insertion in model container [2022-10-17 16:49:44,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:44" (1/1) ... [2022-10-17 16:49:44,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:45,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:45,564 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_41546dc6-1441-4cb6-b06c-b245391f8ccb/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2022-10-17 16:49:45,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:45,582 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:45,620 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_41546dc6-1441-4cb6-b06c-b245391f8ccb/sv-benchmarks/c/pthread/fib_safe-5.i[30813,30826] [2022-10-17 16:49:45,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:45,668 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:45,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45 WrapperNode [2022-10-17 16:49:45,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:45,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:45,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:45,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:45,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,740 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:49:45,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:45,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:45,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:45,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:45,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:45,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:45,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:45,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:45,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:45,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:45,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:49:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:49:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:45,927 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:49:46,125 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:46,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:46,442 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:46,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:46,455 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:49:46,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:46 BoogieIcfgContainer [2022-10-17 16:49:46,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:46,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:46,462 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:46,473 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:46,474 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:46" (1/1) ... [2022-10-17 16:49:46,475 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 16:49:46,484 INFO L158 Benchmark]: Toolchain (without parser) took 1522.58ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 46.3MB in the end (delta: -16.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,485 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:46,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.90ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 46.9MB in the end (delta: -17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.24ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:46,489 INFO L158 Benchmark]: Boogie Preprocessor took 75.42ms. Allocated memory is still 73.4MB. Free memory was 44.8MB in the beginning and 43.0MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,490 INFO L158 Benchmark]: RCFGBuilder took 641.85ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 47.3MB in the end (delta: -4.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,490 INFO L158 Benchmark]: CodeCheck took 18.83ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 46.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:46,501 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 0.32ms. Allocated memory is still 54.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.90ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 46.9MB in the end (delta: -17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.24ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.42ms. Allocated memory is still 73.4MB. Free memory was 44.8MB in the beginning and 43.0MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 641.85ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 47.3MB in the end (delta: -4.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * CodeCheck took 18.83ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 46.3MB 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. [2022-10-17 16:49:46,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41546dc6-1441-4cb6-b06c-b245391f8ccb/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