./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN --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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:41:15,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:41:15,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:41:15,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:41:15,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:41:15,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:41:15,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:41:15,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:41:15,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:41:15,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:41:15,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:41:15,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:41:15,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:41:15,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:41:15,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:41:15,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:41:15,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:41:15,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:41:15,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:41:15,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:41:15,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:41:15,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:41:15,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:41:15,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:41:15,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:41:15,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:41:15,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:41:15,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:41:15,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:41:15,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:41:15,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:41:15,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:41:15,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:41:15,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:41:15,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:41:15,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:41:15,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:41:15,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:41:15,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:41:15,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:41:15,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:41:15,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:41:15,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:41:15,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:41:15,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:41:15,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:41:15,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:41:15,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:41:15,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:41:15,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:41:15,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:41:15,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:41:15,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:41:15,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:41:15,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:41:15,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:41:15,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:41:15,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:41:15,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:41:15,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:41:15,254 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:41:15,254 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:41:15,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:41:15,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:41:15,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:41:15,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:41:15,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:41:15,256 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:41:15,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:41:15,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:41:15,257 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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-21 04:41:15,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:41:15,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:41:15,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:41:15,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:41:15,622 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:41:15,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-21 04:41:15,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/89208b6d0/27c69c8ae9204bbd80069c528b40a1d2/FLAG7027c889d [2021-11-21 04:41:16,445 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:41:16,445 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-21 04:41:16,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/89208b6d0/27c69c8ae9204bbd80069c528b40a1d2/FLAG7027c889d [2021-11-21 04:41:16,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/89208b6d0/27c69c8ae9204bbd80069c528b40a1d2 [2021-11-21 04:41:16,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:41:16,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:41:16,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:41:16,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:41:16,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:41:16,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:16" (1/1) ... [2021-11-21 04:41:16,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158097f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:16, skipping insertion in model container [2021-11-21 04:41:16,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:16" (1/1) ... [2021-11-21 04:41:16,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:41:16,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:41:17,389 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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-21 04:41:17,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:41:17,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:41:17,488 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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-21 04:41:17,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:41:17,556 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:41:17,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17 WrapperNode [2021-11-21 04:41:17,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:41:17,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:41:17,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:41:17,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:41:17,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,631 INFO L137 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 74 [2021-11-21 04:41:17,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:41:17,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:41:17,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:41:17,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:41:17,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:41:17,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:41:17,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:41:17,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:41:17,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:17" (1/1) ... [2021-11-21 04:41:17,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:41:17,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:41:17,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:41:17,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:41:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:41:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-21 04:41:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-21 04:41:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:41:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 04:41:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 04:41:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:41:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:41:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:41:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:41:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:41:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:41:17,777 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 04:41:17,953 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:41:17,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:41:18,214 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:41:18,260 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:41:18,260 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:41:18,261 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L699 is neither atomic block end nor a sink node. [2021-11-21 04:41:18,263 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 04:41:18,268 INFO L158 Benchmark]: Toolchain (without parser) took 1565.25ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 50.9MB in the end (delta: 20.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-21 04:41:18,269 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:41:18,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.46ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.5MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:41:18,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.08ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:41:18,273 INFO L158 Benchmark]: Boogie Preprocessor took 29.85ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:41:18,274 INFO L158 Benchmark]: RCFGBuilder took 602.72ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 50.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 04:41:18,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.46ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.5MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.08ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.85ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.72ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 50.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:41:18,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN --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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:41:21,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:41:21,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:41:21,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:41:21,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:41:21,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:41:21,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:41:21,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:41:21,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:41:21,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:41:21,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:41:21,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:41:21,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:41:21,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:41:21,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:41:21,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:41:21,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:41:21,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:41:21,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:41:21,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:41:21,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:41:21,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:41:21,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:41:21,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:41:21,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:41:21,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:41:21,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:41:21,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:41:21,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:41:21,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:41:21,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:41:21,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:41:21,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:41:21,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:41:21,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:41:21,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:41:21,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:41:21,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:41:21,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:41:21,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:41:21,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:41:21,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-21 04:41:21,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:41:21,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:41:21,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:41:21,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:41:21,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:41:21,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:41:21,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:41:21,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:41:21,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:41:21,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:41:21,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:41:21,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:41:21,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:41:21,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 04:41:21,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 04:41:21,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 04:41:21,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:41:21,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:41:21,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:41:21,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:41:21,362 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:41:21,362 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:41:21,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:41:21,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:41:21,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:41:21,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:41:21,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:41:21,364 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 04:41:21,364 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 04:41:21,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:41:21,365 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-21 04:41:21,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 04:41:21,366 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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-21 04:41:21,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:41:21,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:41:21,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:41:21,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:41:21,908 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:41:21,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-21 04:41:22,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/6f4b1fa52/41d610b81cbf45ed85e3287e26804043/FLAG717b18860 [2021-11-21 04:41:22,831 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:41:22,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-21 04:41:22,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/6f4b1fa52/41d610b81cbf45ed85e3287e26804043/FLAG717b18860 [2021-11-21 04:41:23,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/data/6f4b1fa52/41d610b81cbf45ed85e3287e26804043 [2021-11-21 04:41:23,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:41:23,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:41:23,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:41:23,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:41:23,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:41:23,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2cbbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23, skipping insertion in model container [2021-11-21 04:41:23,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:41:23,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:41:23,691 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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-21 04:41:23,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:41:23,716 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:41:23,767 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_80c09c16-f9a5-443b-a22f-e5269f65e9c2/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-21 04:41:23,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:41:23,847 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:41:23,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23 WrapperNode [2021-11-21 04:41:23,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:41:23,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:41:23,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:41:23,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:41:23,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,912 INFO L137 Inliner]: procedures = 175, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2021-11-21 04:41:23,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:41:23,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:41:23,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:41:23,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:41:23,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:41:23,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:41:23,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:41:23,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:41:23,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:23" (1/1) ... [2021-11-21 04:41:23,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:41:23,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:41:23,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:41:24,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:41:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 04:41:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-21 04:41:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-21 04:41:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 04:41:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 04:41:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:41:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:41:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:41:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 04:41:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 04:41:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-21 04:41:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:41:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:41:24,073 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 04:41:24,219 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:41:24,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:41:24,473 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:41:24,542 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:41:24,543 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:41:24,544 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L699 is neither atomic block end nor a sink node. [2021-11-21 04:41:24,545 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 04:41:24,564 INFO L158 Benchmark]: Toolchain (without parser) took 1525.96ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 68.0MB in the end (delta: -17.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-21 04:41:24,567 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:41:24,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.51ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 55.2MB in the end (delta: -4.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-21 04:41:24,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.19ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 52.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:41:24,573 INFO L158 Benchmark]: Boogie Preprocessor took 41.54ms. Allocated memory is still 86.0MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:41:24,574 INFO L158 Benchmark]: RCFGBuilder took 606.23ms. Allocated memory is still 86.0MB. Free memory was 51.1MB in the beginning and 68.0MB in the end (delta: -16.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-21 04:41:24,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.51ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 55.2MB in the end (delta: -4.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.19ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 52.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.54ms. Allocated memory is still 86.0MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.23ms. Allocated memory is still 86.0MB. Free memory was 51.1MB in the beginning and 68.0MB in the end (delta: -16.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:41:24,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c09c16-f9a5-443b-a22f-e5269f65e9c2/bin/ukojak-vF6T2TMglN/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?