./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- 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-e04fb08 [2022-11-16 07:58:19,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:58:19,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:58:19,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:58:19,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:58:19,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:58:19,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:58:19,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:58:19,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:58:19,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:58:19,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:58:19,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:58:19,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:58:19,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:58:19,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:58:19,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:58:19,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:58:19,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:58:19,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:58:19,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:58:19,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:58:19,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:58:19,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:58:19,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:58:19,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:58:19,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:58:19,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:58:19,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:58:19,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:58:19,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:58:19,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:58:19,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:58:19,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:58:19,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:58:20,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:58:20,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:58:20,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:58:20,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:58:20,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:58:20,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:58:20,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:58:20,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:58:20,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:58:20,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:58:20,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:58:20,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:58:20,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:58:20,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:58:20,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:58:20,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:58:20,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:58:20,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:58:20,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:58:20,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:58:20,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:58:20,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:58:20,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:58:20,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:58:20,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:58:20,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:58:20,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:58:20,060 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:58:20,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:58:20,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:58:20,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:58:20,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:58:20,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:58:20,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:58:20,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:58:20,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:58:20,061 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_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-16 07:58:20,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:58:20,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:58:20,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:58:20,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:58:20,378 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:58:20,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-16 07:58:20,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/bfac1d7b3/8eeffe81f81a4b1c946b084335011a1a/FLAG75c7458c2 [2022-11-16 07:58:21,030 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:58:21,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-16 07:58:21,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/bfac1d7b3/8eeffe81f81a4b1c946b084335011a1a/FLAG75c7458c2 [2022-11-16 07:58:21,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/bfac1d7b3/8eeffe81f81a4b1c946b084335011a1a [2022-11-16 07:58:21,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:58:21,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:58:21,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:58:21,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:58:21,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:58:21,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:21" (1/1) ... [2022-11-16 07:58:21,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a586cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:21, skipping insertion in model container [2022-11-16 07:58:21,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:21" (1/1) ... [2022-11-16 07:58:21,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:58:21,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:58:22,098 WARN L229 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_4a5e7943-6a3f-4476-ad12-e73c1b627828/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-16 07:58:22,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:58:22,150 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:58:22,194 WARN L229 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_4a5e7943-6a3f-4476-ad12-e73c1b627828/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-16 07:58:22,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:58:22,262 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:58:22,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22 WrapperNode [2022-11-16 07:58:22,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:58:22,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:58:22,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:58:22,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:58:22,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,342 INFO L138 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2022-11-16 07:58:22,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:58:22,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:58:22,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:58:22,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:58:22,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:58:22,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:58:22,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:58:22,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:58:22,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:22,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:58:22,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:58:22,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:58:22,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:58:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 07:58:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 07:58:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 07:58:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 07:58:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:58:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:58:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 07:58:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 07:58:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-16 07:58:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-16 07:58:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 07:58:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:58:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-16 07:58:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-16 07:58:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:58:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:58:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:58:22,492 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 07:58:22,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:58:22,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:58:22,969 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:58:22,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:58:22,978 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 07:58:22,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:22 BoogieIcfgContainer [2022-11-16 07:58:22,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:58:22,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:58:22,982 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:58:22,994 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:58:23,000 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:22" (1/1) ... [2022-11-16 07:58:23,002 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) [2022-11-16 07:58:23,011 INFO L158 Benchmark]: Toolchain (without parser) took 1538.44ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 48.2MB in the end (delta: 31.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-16 07:58:23,012 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 91.2MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:58:23,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.91ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 71.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 07:58:23,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.45ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 68.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:58:23,015 INFO L158 Benchmark]: Boogie Preprocessor took 61.71ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:58:23,015 INFO L158 Benchmark]: RCFGBuilder took 574.85ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 49.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 07:58:23,016 INFO L158 Benchmark]: CodeCheck took 28.10ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 48.2MB in the end (delta: 914.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:58:23,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 91.2MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.91ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 71.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.45ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 68.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.71ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.85ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 49.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 28.10ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 48.2MB in the end (delta: 914.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:58:23,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- 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-e04fb08 [2022-11-16 07:58:25,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:58:25,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:58:25,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:58:25,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:58:25,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:58:25,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:58:25,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:58:25,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:58:25,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:58:25,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:58:25,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:58:25,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:58:25,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:58:25,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:58:25,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:58:25,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:58:25,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:58:25,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:58:25,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:58:25,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:58:25,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:58:25,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:58:25,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:58:25,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:58:25,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:58:25,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:58:25,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:58:25,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:58:25,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:58:25,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:58:25,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:58:25,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:58:25,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:58:25,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:58:25,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:58:25,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:58:25,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:58:25,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:58:25,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:58:25,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:58:25,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-16 07:58:25,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:58:25,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:58:25,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:58:25,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:58:25,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:58:25,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:58:25,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:58:25,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:58:25,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:58:25,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:58:25,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:58:25,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:58:25,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:58:25,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 07:58:25,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 07:58:25,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 07:58:25,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:58:25,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:58:25,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:58:25,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:58:25,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:58:25,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:58:25,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:58:25,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:58:25,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:58:25,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:58:25,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:58:25,481 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 07:58:25,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 07:58:25,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:58:25,481 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 07:58:25,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 07:58:25,482 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_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-16 07:58:25,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:58:25,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:58:25,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:58:25,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:58:25,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:58:25,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-16 07:58:25,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/933d97341/9952dfaed45c49caa53bb34e300a1cb2/FLAG43ac2f2b6 [2022-11-16 07:58:26,605 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:58:26,614 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-16 07:58:26,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/933d97341/9952dfaed45c49caa53bb34e300a1cb2/FLAG43ac2f2b6 [2022-11-16 07:58:26,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/data/933d97341/9952dfaed45c49caa53bb34e300a1cb2 [2022-11-16 07:58:26,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:58:26,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:58:26,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:58:26,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:58:26,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:58:26,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:26" (1/1) ... [2022-11-16 07:58:26,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26826c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:26, skipping insertion in model container [2022-11-16 07:58:26,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:26" (1/1) ... [2022-11-16 07:58:26,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:58:26,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:58:27,552 WARN L229 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_4a5e7943-6a3f-4476-ad12-e73c1b627828/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-16 07:58:27,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:58:27,610 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:58:27,672 WARN L229 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_4a5e7943-6a3f-4476-ad12-e73c1b627828/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-16 07:58:27,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:58:27,752 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:58:27,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27 WrapperNode [2022-11-16 07:58:27,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:58:27,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:58:27,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:58:27,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:58:27,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,828 INFO L138 Inliner]: procedures = 281, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2022-11-16 07:58:27,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:58:27,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:58:27,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:58:27,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:58:27,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:58:27,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:58:27,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:58:27,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:58:27,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:27" (1/1) ... [2022-11-16 07:58:27,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:58:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:58:27,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:58:27,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:58:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 07:58:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 07:58:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 07:58:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 07:58:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 07:58:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:58:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:58:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 07:58:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 07:58:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 07:58:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-16 07:58:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-16 07:58:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 07:58:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:58:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-16 07:58:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-16 07:58:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:58:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:58:27,981 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 07:58:28,209 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:58:28,211 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:58:28,583 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:58:28,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:58:28,608 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 07:58:28,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:28 BoogieIcfgContainer [2022-11-16 07:58:28,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:58:28,613 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:58:28,613 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:58:28,623 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:58:28,623 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:28" (1/1) ... [2022-11-16 07:58:28,624 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) [2022-11-16 07:58:28,633 INFO L158 Benchmark]: Toolchain (without parser) took 1788.41ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 46.2MB in the beginning and 63.4MB in the end (delta: -17.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-11-16 07:58:28,634 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:58:28,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.23ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 31.1MB in the end (delta: 14.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 07:58:28,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 67.1MB. Free memory was 31.1MB in the beginning and 28.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 07:58:28,637 INFO L158 Benchmark]: Boogie Preprocessor took 57.24ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 28.4MB in the beginning and 83.8MB in the end (delta: -55.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-16 07:58:28,638 INFO L158 Benchmark]: RCFGBuilder took 724.86ms. Allocated memory is still 100.7MB. Free memory was 83.3MB in the beginning and 64.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 07:58:28,638 INFO L158 Benchmark]: CodeCheck took 16.63ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 63.4MB in the end (delta: 996.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:58:28,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.23ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 31.1MB in the end (delta: 14.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 67.1MB. Free memory was 31.1MB in the beginning and 28.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.24ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 28.4MB in the beginning and 83.8MB in the end (delta: -55.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 724.86ms. Allocated memory is still 100.7MB. Free memory was 83.3MB in the beginning and 64.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.63ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 63.4MB in the end (delta: 996.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:58:28,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5e7943-6a3f-4476-ad12-e73c1b627828/bin/ukojak-CydTVMUXoH/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