./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu --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 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:13,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:13,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:13,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:13,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:13,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:13,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:13,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:13,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:13,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:13,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:13,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:13,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:13,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:13,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:13,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:13,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:13,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:13,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:13,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:13,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:13,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:13,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:13,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:13,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:13,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:13,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:13,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:13,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:13,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:13,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:13,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:13,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:13,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:13,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:13,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:13,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:13,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:13,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:13,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:13,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:13,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:13,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:13,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:13,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:13,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:13,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:13,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:13,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:13,678 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:13,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:13,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:13,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:13,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:13,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:13,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:13,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:13,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:13,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:13,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:13,681 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:13,681 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:13,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:13,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:13,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:13,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:13,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:13,683 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:13,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:13,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:13,683 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_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 [2021-11-23 15:56:13,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:13,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:13,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:13,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:13,991 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:13,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2021-11-23 15:56:14,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/199322d1e/03c679db0bd44bef92bd02a574cd6d91/FLAG6f367439c [2021-11-23 15:56:14,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:14,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2021-11-23 15:56:14,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/199322d1e/03c679db0bd44bef92bd02a574cd6d91/FLAG6f367439c [2021-11-23 15:56:14,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/199322d1e/03c679db0bd44bef92bd02a574cd6d91 [2021-11-23 15:56:14,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:14,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:14,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:14,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:14,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:14,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:14" (1/1) ... [2021-11-23 15:56:14,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f78454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:14, skipping insertion in model container [2021-11-23 15:56:14,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:14" (1/1) ... [2021-11-23 15:56:14,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:14,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:15,123 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:56:15,389 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39095,39108] [2021-11-23 15:56:15,394 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39180,39193] [2021-11-23 15:56:15,395 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39232,39245] [2021-11-23 15:56:15,458 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49285,49298] [2021-11-23 15:56:15,459 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49334,49347] [2021-11-23 15:56:15,461 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49462,49475] [2021-11-23 15:56:15,462 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49520,49533] [2021-11-23 15:56:15,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:15,475 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:15,488 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:56:15,511 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39095,39108] [2021-11-23 15:56:15,512 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39180,39193] [2021-11-23 15:56:15,513 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39232,39245] [2021-11-23 15:56:15,525 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49285,49298] [2021-11-23 15:56:15,526 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49334,49347] [2021-11-23 15:56:15,527 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49462,49475] [2021-11-23 15:56:15,528 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49520,49533] [2021-11-23 15:56:15,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:15,621 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:15,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15 WrapperNode [2021-11-23 15:56:15,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:15,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:15,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:15,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:15,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,702 INFO L137 Inliner]: procedures = 309, calls = 63, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 112 [2021-11-23 15:56:15,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:15,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:15,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:15,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:15,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:15,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:15,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:15,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:15,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:15" (1/1) ... [2021-11-23 15:56:15,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:15,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:15,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:15,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-11-23 15:56:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-11-23 15:56:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-11-23 15:56:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-11-23 15:56:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2021-11-23 15:56:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2021-11-23 15:56:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:56:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2021-11-23 15:56:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2021-11-23 15:56:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:15,841 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:56:16,049 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:16,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:16,454 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:16,464 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:56:16,464 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 15:56:16,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:16 BoogieIcfgContainer [2021-11-23 15:56:16,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:56:16,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:56:16,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:56:16,477 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:56:16,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:16" (1/1) ... [2021-11-23 15:56:16,479 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:16,484 INFO L158 Benchmark]: Toolchain (without parser) took 1620.01ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.0MB in the beginning and 42.1MB in the end (delta: 11.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:16,487 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:16,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.04ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 53.8MB in the beginning and 66.2MB in the end (delta: -12.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:16,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.14ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 63.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:16,493 INFO L158 Benchmark]: Boogie Preprocessor took 33.88ms. Allocated memory is still 113.2MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:16,506 INFO L158 Benchmark]: RCFGBuilder took 729.59ms. Allocated memory is still 113.2MB. Free memory was 61.4MB in the beginning and 43.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:16,508 INFO L158 Benchmark]: CodeCheck took 14.27ms. Allocated memory is still 113.2MB. Free memory was 43.1MB in the beginning and 42.1MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:16,515 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 0.26ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.04ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 53.8MB in the beginning and 66.2MB in the end (delta: -12.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.14ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 63.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.88ms. Allocated memory is still 113.2MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 729.59ms. Allocated memory is still 113.2MB. Free memory was 61.4MB in the beginning and 43.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 14.27ms. Allocated memory is still 113.2MB. Free memory was 43.1MB in the beginning and 42.1MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:16,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu --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 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:19,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:19,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:19,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:19,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:19,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:19,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:19,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:19,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:19,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:19,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:19,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:19,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:19,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:19,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:19,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:19,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:19,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:19,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:19,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:19,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:19,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:19,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:19,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:19,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:19,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:19,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:19,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:19,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:19,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:19,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:19,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:19,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:19,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:19,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:19,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:19,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:19,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:19,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:19,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:19,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:19,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:19,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:19,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:19,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:19,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:19,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:19,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:19,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:19,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:19,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:19,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:19,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:19,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:19,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:19,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:19,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:19,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:19,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:19,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:19,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:19,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:19,209 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:19,209 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:19,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:19,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:19,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:19,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:19,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:19,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:19,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:19,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:19,211 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:19,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:19,212 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_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 [2021-11-23 15:56:19,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:19,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:19,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:19,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:19,638 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:19,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2021-11-23 15:56:19,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/be5d55de5/1022ebb23c8345908ffb7e5519f80861/FLAG6f16a69b4 [2021-11-23 15:56:20,426 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:20,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2021-11-23 15:56:20,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/be5d55de5/1022ebb23c8345908ffb7e5519f80861/FLAG6f16a69b4 [2021-11-23 15:56:20,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/data/be5d55de5/1022ebb23c8345908ffb7e5519f80861 [2021-11-23 15:56:20,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:20,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:20,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:20,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:20,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:20,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:20" (1/1) ... [2021-11-23 15:56:20,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef2b979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20, skipping insertion in model container [2021-11-23 15:56:20,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:20" (1/1) ... [2021-11-23 15:56:20,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:20,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:20,884 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:56:21,272 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39095,39108] [2021-11-23 15:56:21,282 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39180,39193] [2021-11-23 15:56:21,283 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39232,39245] [2021-11-23 15:56:21,386 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49285,49298] [2021-11-23 15:56:21,387 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49334,49347] [2021-11-23 15:56:21,391 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49462,49475] [2021-11-23 15:56:21,392 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49520,49533] [2021-11-23 15:56:21,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:21,419 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:21,437 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:56:21,470 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39095,39108] [2021-11-23 15:56:21,471 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39180,39193] [2021-11-23 15:56:21,472 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[39232,39245] [2021-11-23 15:56:21,487 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49285,49298] [2021-11-23 15:56:21,488 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49334,49347] [2021-11-23 15:56:21,490 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49462,49475] [2021-11-23 15:56:21,491 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_f220f0ca-b511-483d-81c1-34b24e7be921/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i[49520,49533] [2021-11-23 15:56:21,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:21,594 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:21,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21 WrapperNode [2021-11-23 15:56:21,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:21,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:21,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:21,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:21,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,658 INFO L137 Inliner]: procedures = 313, calls = 63, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 113 [2021-11-23 15:56:21,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:21,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:21,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:21,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:21,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:21,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:21,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:21,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:21,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2021-11-23 15:56:21,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:21,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:21,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:21,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-11-23 15:56:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-11-23 15:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-11-23 15:56:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-11-23 15:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2021-11-23 15:56:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2021-11-23 15:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2021-11-23 15:56:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2021-11-23 15:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:21,804 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:56:22,023 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:22,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:22,504 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:22,520 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:56:22,520 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 15:56:22,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22 BoogieIcfgContainer [2021-11-23 15:56:22,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:56:22,525 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:56:22,525 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:56:22,535 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:56:22,535 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22" (1/1) ... [2021-11-23 15:56:22,536 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:22,545 INFO L158 Benchmark]: Toolchain (without parser) took 1890.22ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.7MB in the beginning and 39.0MB in the end (delta: -9.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:22,546 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:22,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.5MB in the beginning and 44.4MB in the end (delta: -14.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:22,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.39ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 41.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:22,550 INFO L158 Benchmark]: Boogie Preprocessor took 46.31ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 39.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:22,552 INFO L158 Benchmark]: RCFGBuilder took 816.93ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 40.0MB in the end (delta: -949.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:22,552 INFO L158 Benchmark]: CodeCheck took 16.41ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 39.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:22,561 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 0.24ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.5MB in the beginning and 44.4MB in the end (delta: -14.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.39ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 41.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.31ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 39.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.93ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 40.0MB in the end (delta: -949.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 16.41ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 39.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:22,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f220f0ca-b511-483d-81c1-34b24e7be921/bin/ukojak-CwSLpZB5Qu/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