./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-2.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_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/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_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/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_c366c97a-eace-49fb-8f3b-e512ae56c548/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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 16:40:49,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:49,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:49,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:49,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:49,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:49,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:49,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:49,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:49,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:49,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:49,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:49,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:49,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:49,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:49,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:49,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:49,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:49,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:49,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:49,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:49,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:49,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:49,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:49,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:49,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:49,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:49,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:49,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:49,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:49,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:49,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:49,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:49,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:49,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:49,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:49,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:49,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:49,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:49,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:49,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:49,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:49,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:49,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:49,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:49,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:49,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:49,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:49,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:49,453 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:49,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:49,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:49,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:49,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:49,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:49,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:49,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:49,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:49,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:49,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:49,456 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:49,456 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:49,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:49,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:49,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:49,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:49,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:49,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:49,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:49,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:49,458 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_c366c97a-eace-49fb-8f3b-e512ae56c548/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-10-17 16:40:49,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:49,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:49,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:49,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:49,813 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:49,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/stack-2.i [2022-10-17 16:40:49,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/1f9a0dca2/06166a1a1e854ab3954e8e64a77cdda0/FLAGefc590186 [2022-10-17 16:40:50,470 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:50,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/sv-benchmarks/c/pthread/stack-2.i [2022-10-17 16:40:50,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/1f9a0dca2/06166a1a1e854ab3954e8e64a77cdda0/FLAGefc590186 [2022-10-17 16:40:50,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/1f9a0dca2/06166a1a1e854ab3954e8e64a77cdda0 [2022-10-17 16:40:50,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:50,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:50,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:50,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:50,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:50,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:50" (1/1) ... [2022-10-17 16:40:50,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32978c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:50, skipping insertion in model container [2022-10-17 16:40:50,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:50" (1/1) ... [2022-10-17 16:40:50,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:50,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:51,473 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_c366c97a-eace-49fb-8f3b-e512ae56c548/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-10-17 16:40:51,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:51,537 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:51,586 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_c366c97a-eace-49fb-8f3b-e512ae56c548/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-10-17 16:40:51,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:51,665 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:51,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51 WrapperNode [2022-10-17 16:40:51,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:51,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:51,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:51,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:51,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,726 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 147 [2022-10-17 16:40:51,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:51,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:51,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:51,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:51,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,757 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:51,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:51,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:51,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:51,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:51,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:51,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:40:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:40:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:40:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:40:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-10-17 16:40:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-10-17 16:40:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:40:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:40:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:40:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:51,882 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 16:40:52,073 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:52,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:52,457 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:52,479 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:52,480 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:40:52,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:52 BoogieIcfgContainer [2022-10-17 16:40:52,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:52,483 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:52,483 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:52,496 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:52,496 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,497 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 16:40:52,502 INFO L158 Benchmark]: Toolchain (without parser) took 1751.64ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 47.2MB in the end (delta: 3.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-10-17 16:40:52,503 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:52,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.01ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 50.4MB in the beginning and 70.2MB in the end (delta: -19.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-10-17 16:40:52,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.35ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 67.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:52,507 INFO L158 Benchmark]: Boogie Preprocessor took 36.16ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 66.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:52,508 INFO L158 Benchmark]: RCFGBuilder took 718.64ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 48.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:40:52,509 INFO L158 Benchmark]: CodeCheck took 16.27ms. Allocated memory is still 115.3MB. Free memory was 48.2MB in the beginning and 47.2MB in the end (delta: 981.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:52,519 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 0.23ms. Allocated memory is still 90.2MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 916.01ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 50.4MB in the beginning and 70.2MB in the end (delta: -19.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.35ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 67.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.16ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 66.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.64ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 48.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.27ms. Allocated memory is still 115.3MB. Free memory was 48.2MB in the beginning and 47.2MB in the end (delta: 981.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:40:52,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/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_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/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_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/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_c366c97a-eace-49fb-8f3b-e512ae56c548/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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 16:40:55,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:55,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:55,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:55,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:55,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:55,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:55,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:55,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:55,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:55,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:55,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:55,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:55,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:55,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:55,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:55,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:55,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:55,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:55,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:55,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:55,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:55,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:55,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:55,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:55,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:55,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:55,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:55,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:55,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:55,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:55,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:55,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:55,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:55,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:55,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:55,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:55,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:55,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:55,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:55,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:55,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:40:55,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:55,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:55,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:55,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:55,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:55,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:55,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:55,240 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:55,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:55,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:55,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:55,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:55,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:55,241 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:40:55,241 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:40:55,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:40:55,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:55,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:55,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:55,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:55,242 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:55,242 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:55,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:55,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:55,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:55,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:55,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:55,243 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:40:55,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:40:55,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:55,243 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:40:55,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:40:55,243 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_c366c97a-eace-49fb-8f3b-e512ae56c548/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-10-17 16:40:55,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:55,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:55,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:55,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:55,724 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:55,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/stack-2.i [2022-10-17 16:40:55,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/9c8cafe54/8f3e522de7f54a13b822f61a3a430f4c/FLAG138a3bfff [2022-10-17 16:40:56,532 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:56,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/sv-benchmarks/c/pthread/stack-2.i [2022-10-17 16:40:56,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/9c8cafe54/8f3e522de7f54a13b822f61a3a430f4c/FLAG138a3bfff [2022-10-17 16:40:56,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/data/9c8cafe54/8f3e522de7f54a13b822f61a3a430f4c [2022-10-17 16:40:56,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:56,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:56,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:56,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:56,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:56,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fa0162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56, skipping insertion in model container [2022-10-17 16:40:56,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:56,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:57,364 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_c366c97a-eace-49fb-8f3b-e512ae56c548/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-10-17 16:40:57,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:57,413 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:57,494 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_c366c97a-eace-49fb-8f3b-e512ae56c548/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-10-17 16:40:57,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:57,635 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:57,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57 WrapperNode [2022-10-17 16:40:57,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:57,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:57,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:57,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:57,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,771 INFO L138 Inliner]: procedures = 281, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2022-10-17 16:40:57,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:57,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:57,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:57,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:57,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:57,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:57,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:57,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:57,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:57,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:57,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:57,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:40:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:40:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:40:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:40:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:40:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:40:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:40:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:40:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-10-17 16:40:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-10-17 16:40:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:40:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:40:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:40:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:57,978 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 16:40:58,281 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:58,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:58,775 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:58,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:58,802 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:40:58,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:58 BoogieIcfgContainer [2022-10-17 16:40:58,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:58,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:58,809 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:58,821 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:58,821 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:58" (1/1) ... [2022-10-17 16:40:58,822 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 16:40:58,831 INFO L158 Benchmark]: Toolchain (without parser) took 2070.28ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 47.4MB in the beginning and 66.9MB in the end (delta: -19.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:58,832 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:58,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.12ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 33.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:40:58,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.65ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 33.0MB in the beginning and 89.3MB in the end (delta: -56.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:58,836 INFO L158 Benchmark]: Boogie Preprocessor took 84.51ms. Allocated memory is still 107.0MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:58,838 INFO L158 Benchmark]: RCFGBuilder took 947.94ms. Allocated memory is still 107.0MB. Free memory was 87.2MB in the beginning and 67.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:40:58,839 INFO L158 Benchmark]: CodeCheck took 19.51ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 928.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:58,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.12ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 33.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.65ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 33.0MB in the beginning and 89.3MB in the end (delta: -56.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.51ms. Allocated memory is still 107.0MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 947.94ms. Allocated memory is still 107.0MB. Free memory was 87.2MB in the beginning and 67.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 19.51ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 928.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:40:58,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c366c97a-eace-49fb-8f3b-e512ae56c548/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