./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.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_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:38:53,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:38:53,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:38:53,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:38:53,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:38:53,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:38:53,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:38:53,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:38:53,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:38:53,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:38:53,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:38:53,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:38:53,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:38:53,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:38:53,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:38:53,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:38:53,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:38:53,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:38:53,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:38:53,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:38:53,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:38:53,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:38:53,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:38:53,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:38:53,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:38:53,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:38:53,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:38:53,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:38:53,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:38:53,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:38:53,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:38:53,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:38:53,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:38:53,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:38:53,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:38:53,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:38:53,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:38:53,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:38:53,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:38:53,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:38:53,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:38:53,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:38:53,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:38:53,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:38:53,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:38:53,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:38:53,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:38:53,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:38:53,671 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:38:53,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:38:53,671 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:38:53,671 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:38:53,672 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:38:53,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:38:53,673 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:38:53,673 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:38:53,673 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:38:53,674 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:38:53,674 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:38:53,674 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:38:53,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:38:53,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:38:53,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:38:53,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:38:53,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:38:53,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:38:53,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:38:53,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:38:53,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:38:53,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:38:53,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:38:53,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:38:53,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:38:53,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:38:53,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:53,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:38:53,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:38:53,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:38:53,681 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:38:53,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:38:53,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:38:53,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:38:53,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:38:53,682 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 [2021-11-23 17:38:53,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:38:53,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:38:53,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:38:53,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:38:53,997 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:38:53,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-23 17:38:54,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/68f45b6a7/fc57cdea10ee46af8a5fc8d8262f9b29/FLAGf067680a1 [2021-11-23 17:38:54,739 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:38:54,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-23 17:38:54,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/68f45b6a7/fc57cdea10ee46af8a5fc8d8262f9b29/FLAGf067680a1 [2021-11-23 17:38:54,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/68f45b6a7/fc57cdea10ee46af8a5fc8d8262f9b29 [2021-11-23 17:38:54,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:38:54,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:38:54,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:54,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:38:54,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:38:54,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:54" (1/1) ... [2021-11-23 17:38:54,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c1775f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:54, skipping insertion in model container [2021-11-23 17:38:54,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:54" (1/1) ... [2021-11-23 17:38:55,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:38:55,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:55,552 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_5e6ecc22-e9c1-4815-8563-9633393ae363/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-23 17:38:55,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:55,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:38:55,623 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_5e6ecc22-e9c1-4815-8563-9633393ae363/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-23 17:38:55,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:55,701 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:38:55,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55 WrapperNode [2021-11-23 17:38:55,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:55,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:55,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:38:55,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:38:55,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,755 INFO L137 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2021-11-23 17:38:55,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:55,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:38:55,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:38:55,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:38:55,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:38:55,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:38:55,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:38:55,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:38:55,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:55" (1/1) ... [2021-11-23 17:38:55,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:55,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:38:55,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:38:55,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:38:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:38:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-11-23 17:38:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-11-23 17:38:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:38:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:38:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:38:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:38:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:38:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:38:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:38:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:38:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:38:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:38:55,909 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 17:38:56,027 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:38:56,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:38:56,212 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:38:56,238 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 17:38:56,243 INFO L158 Benchmark]: Toolchain (without parser) took 1253.89ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 35.0MB in the end (delta: 22.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-23 17:38:56,244 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:38:56,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.03ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 51.8MB in the end (delta: 5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:38:56,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.95ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 49.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:38:56,247 INFO L158 Benchmark]: Boogie Preprocessor took 33.24ms. Allocated memory is still 94.4MB. Free memory was 49.4MB in the beginning and 48.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:38:56,248 INFO L158 Benchmark]: RCFGBuilder took 450.93ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 35.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:38:56,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.03ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 51.8MB in the end (delta: 5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.95ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 49.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.24ms. Allocated memory is still 94.4MB. Free memory was 49.4MB in the beginning and 48.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.93ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 35.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:38:56,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:38:59,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:38:59,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:38:59,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:38:59,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:38:59,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:38:59,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:38:59,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:38:59,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:38:59,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:38:59,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:38:59,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:38:59,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:38:59,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:38:59,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:38:59,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:38:59,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:38:59,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:38:59,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:38:59,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:38:59,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:38:59,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:38:59,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:38:59,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:38:59,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:38:59,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:38:59,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:38:59,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:38:59,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:38:59,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:38:59,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:38:59,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:38:59,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:38:59,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:38:59,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:38:59,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:38:59,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:38:59,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:38:59,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:38:59,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:38:59,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:38:59,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:38:59,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:38:59,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:38:59,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:38:59,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:38:59,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:38:59,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:38:59,219 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:38:59,219 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:38:59,219 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:38:59,220 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:38:59,221 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:38:59,221 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:38:59,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:38:59,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:38:59,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:38:59,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:38:59,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:38:59,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:38:59,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:38:59,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:38:59,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:38:59,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:38:59,225 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:38:59,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:38:59,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:38:59,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:38:59,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:38:59,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:38:59,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:38:59,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:59,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:38:59,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:38:59,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:38:59,228 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:38:59,228 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:38:59,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:38:59,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:38:59,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:38:59,229 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_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 [2021-11-23 17:38:59,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:38:59,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:38:59,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:38:59,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:38:59,740 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:38:59,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-23 17:38:59,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/3bf5503f2/312cf9e67691426180a36c1f3a2c113d/FLAG23a1031f7 [2021-11-23 17:39:00,540 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:39:00,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-23 17:39:00,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/3bf5503f2/312cf9e67691426180a36c1f3a2c113d/FLAG23a1031f7 [2021-11-23 17:39:00,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/data/3bf5503f2/312cf9e67691426180a36c1f3a2c113d [2021-11-23 17:39:00,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:39:00,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:39:00,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:39:00,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:39:00,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:39:00,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:39:00" (1/1) ... [2021-11-23 17:39:00,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c40eb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:00, skipping insertion in model container [2021-11-23 17:39:00,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:39:00" (1/1) ... [2021-11-23 17:39:00,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:39:00,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:39:01,322 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_5e6ecc22-e9c1-4815-8563-9633393ae363/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-23 17:39:01,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:39:01,355 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:39:01,398 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_5e6ecc22-e9c1-4815-8563-9633393ae363/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-23 17:39:01,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:39:01,506 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:39:01,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01 WrapperNode [2021-11-23 17:39:01,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:39:01,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:39:01,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:39:01,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:39:01,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,614 INFO L137 Inliner]: procedures = 278, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2021-11-23 17:39:01,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:39:01,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:39:01,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:39:01,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:39:01,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:39:01,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:39:01,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:39:01,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:39:01,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:39:01" (1/1) ... [2021-11-23 17:39:01,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:39:01,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:39:01,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:39:01,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:39:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:39:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:39:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-11-23 17:39:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-11-23 17:39:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:39:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:39:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:39:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:39:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:39:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:39:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:39:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:39:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:39:01,813 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:39:02,017 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:39:02,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:39:02,263 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:39:02,287 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 17:39:02,293 INFO L158 Benchmark]: Toolchain (without parser) took 1522.60ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 47.7MB in the end (delta: -13.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-23 17:39:02,294 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:39:02,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.85ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 46.9MB in the end (delta: -12.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 17:39:02,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.12ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:39:02,297 INFO L158 Benchmark]: Boogie Preprocessor took 81.51ms. Allocated memory is still 71.3MB. Free memory was 44.2MB in the beginning and 42.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:39:02,298 INFO L158 Benchmark]: RCFGBuilder took 592.54ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 47.7MB in the end (delta: -5.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 17:39:02,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 736.85ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 46.9MB in the end (delta: -12.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.12ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.51ms. Allocated memory is still 71.3MB. Free memory was 44.2MB in the beginning and 42.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.54ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 47.7MB in the end (delta: -5.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:39:02,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e6ecc22-e9c1-4815-8563-9633393ae363/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: Set is immutable