./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix050.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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix050.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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 a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:10,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:10,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:10,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:10,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:10,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:10,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:10,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:10,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:10,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:10,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:10,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:10,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:10,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:10,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:10,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:10,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:10,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:10,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:10,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:10,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:10,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:10,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:10,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:10,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:10,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:10,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:10,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:10,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:10,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:10,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:10,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:10,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:10,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:10,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:10,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:10,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:10,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:10,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:10,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:10,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:10,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:10,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:10,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:10,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:10,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:10,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:10,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:10,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:10,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:10,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:10,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:10,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:10,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:10,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:10,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:10,874 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:10,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:10,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:10,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:10,875 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:10,875 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:10,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:10,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:10,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:10,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:10,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:10,877 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:10,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:10,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:10,877 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d [2021-11-23 15:47:11,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:11,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:11,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:11,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:11,176 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:11,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix050.i [2021-11-23 15:47:11,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/7d31ab311/24a70c4372a04ea8b5a5b4b04f34e362/FLAG43bff43f6 [2021-11-23 15:47:11,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:11,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/sv-benchmarks/c/pthread-wmm/mix050.i [2021-11-23 15:47:11,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/7d31ab311/24a70c4372a04ea8b5a5b4b04f34e362/FLAG43bff43f6 [2021-11-23 15:47:12,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/7d31ab311/24a70c4372a04ea8b5a5b4b04f34e362 [2021-11-23 15:47:12,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:12,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:12,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:12,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:12,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:12,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57393a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12, skipping insertion in model container [2021-11-23 15:47:12,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:12,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:12,297 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/sv-benchmarks/c/pthread-wmm/mix050.i[940,953] [2021-11-23 15:47:12,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:12,641 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:12,669 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/sv-benchmarks/c/pthread-wmm/mix050.i[940,953] [2021-11-23 15:47:12,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:12,757 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:12,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12 WrapperNode [2021-11-23 15:47:12,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:12,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:12,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:12,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:12,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,832 INFO L137 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2021-11-23 15:47:12,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:12,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:12,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:12,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:12,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:12,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:12,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:12,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:12,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12" (1/1) ... [2021-11-23 15:47:12,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:12,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:12,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:47:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:47:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:47:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:47:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:47:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:47:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:47:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:47:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:47:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:47:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:47:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:47:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:47:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:13,030 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 15:47:13,209 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:13,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:13,802 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:13,964 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 15:47:13,969 INFO L158 Benchmark]: Toolchain (without parser) took 1890.62ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 60.5MB in the beginning and 52.7MB in the end (delta: 7.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-23 15:47:13,969 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:13,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.47ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 60.3MB in the beginning and 96.0MB in the end (delta: -35.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:13,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.93ms. Allocated memory is still 130.0MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:13,972 INFO L158 Benchmark]: Boogie Preprocessor took 77.61ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 91.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:13,973 INFO L158 Benchmark]: RCFGBuilder took 1054.98ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 53.4MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:13,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.47ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 60.3MB in the beginning and 96.0MB in the end (delta: -35.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.93ms. Allocated memory is still 130.0MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.61ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 91.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.98ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 53.4MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. 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 15:47:14,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix050.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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 a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:16,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:16,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:16,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:16,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:16,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:16,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:16,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:16,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:16,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:16,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:16,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:16,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:16,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:16,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:16,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:16,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:16,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:16,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:16,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:16,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:16,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:16,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:16,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:16,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:16,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:16,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:16,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:16,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:16,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:16,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:16,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:16,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:16,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:16,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:16,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:16,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:16,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:16,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:16,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:16,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:16,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:16,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:16,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:16,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:16,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:16,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:16,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:16,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:16,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:16,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:16,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:16,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:16,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:16,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:16,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:16,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:16,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:16,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:16,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:16,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:16,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:16,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:16,637 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:16,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:16,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:16,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:16,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:16,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:16,638 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:16,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:16,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:16,639 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:16,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:16,640 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d [2021-11-23 15:47:17,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:17,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:17,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:17,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:17,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:17,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix050.i [2021-11-23 15:47:17,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/99dd0bcbe/5d938ed5dfb34088ad906a7f200f77e4/FLAG803edfb61 [2021-11-23 15:47:17,812 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:17,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/sv-benchmarks/c/pthread-wmm/mix050.i [2021-11-23 15:47:17,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/99dd0bcbe/5d938ed5dfb34088ad906a7f200f77e4/FLAG803edfb61 [2021-11-23 15:47:18,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/data/99dd0bcbe/5d938ed5dfb34088ad906a7f200f77e4 [2021-11-23 15:47:18,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:18,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:18,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:18,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:18,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:18,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e9ac48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18, skipping insertion in model container [2021-11-23 15:47:18,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:18,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:18,294 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/sv-benchmarks/c/pthread-wmm/mix050.i[940,953] [2021-11-23 15:47:18,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:18,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:18,555 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_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/sv-benchmarks/c/pthread-wmm/mix050.i[940,953] [2021-11-23 15:47:18,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:18,712 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:18,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18 WrapperNode [2021-11-23 15:47:18,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:18,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:18,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:18,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:18,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,814 INFO L137 Inliner]: procedures = 180, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2021-11-23 15:47:18,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:18,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:18,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:18,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:18,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:18,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:18,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:18,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:18,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18" (1/1) ... [2021-11-23 15:47:18,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:18,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:18,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:18,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:47:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:47:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:47:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:47:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:47:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:47:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:47:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:47:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:47:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:47:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:18,990 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 15:47:19,155 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:19,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:19,824 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:19,935 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 15:47:19,941 INFO L158 Benchmark]: Toolchain (without parser) took 1875.36ms. Allocated memory is still 77.6MB. Free memory was 62.5MB in the beginning and 31.6MB in the end (delta: 30.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-11-23 15:47:19,942 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:19,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.17ms. Allocated memory is still 77.6MB. Free memory was 62.3MB in the beginning and 48.1MB in the end (delta: 14.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:19,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.96ms. Allocated memory is still 77.6MB. Free memory was 47.8MB in the beginning and 45.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:19,945 INFO L158 Benchmark]: Boogie Preprocessor took 77.81ms. Allocated memory is still 77.6MB. Free memory was 45.4MB in the beginning and 42.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:19,946 INFO L158 Benchmark]: RCFGBuilder took 1044.73ms. Allocated memory is still 77.6MB. Free memory was 42.7MB in the beginning and 31.6MB in the end (delta: 11.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:19,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.17ms. Allocated memory is still 77.6MB. Free memory was 62.3MB in the beginning and 48.1MB in the end (delta: 14.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.96ms. Allocated memory is still 77.6MB. Free memory was 47.8MB in the beginning and 45.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.81ms. Allocated memory is still 77.6MB. Free memory was 45.4MB in the beginning and 42.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.73ms. Allocated memory is still 77.6MB. Free memory was 42.7MB in the beginning and 31.6MB in the end (delta: 11.1MB). Peak memory consumption was 13.3MB. 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 15:47:20,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605c95f6-d1d7-46e2-8a2c-5eed21d3d182/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: Set is immutable