./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.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_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/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_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/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_61fc28fd-6bbf-4197-a094-2595b8e18749/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 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:15,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:15,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:15,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:15,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:15,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:15,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:15,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:15,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:15,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:15,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:15,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:15,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:15,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:15,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:15,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:15,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:15,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:15,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:15,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:15,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:15,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:15,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:15,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:15,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:15,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:15,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:15,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:15,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:15,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:15,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:15,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:15,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:15,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:15,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:15,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:15,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:15,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:15,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:15,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:15,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:15,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:15,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:15,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:15,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:15,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:15,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:15,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:15,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:15,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:15,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:15,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:15,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:15,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:15,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:15,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:15,559 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:15,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:15,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:15,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:15,561 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:15,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:15,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:15,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:15,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:15,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:15,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:15,564 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:15,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:15,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:15,565 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_61fc28fd-6bbf-4197-a094-2595b8e18749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2021-11-23 15:53:15,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:15,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:15,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:15,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:15,867 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:15,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2021-11-23 15:53:15,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/a137fa278/c25c741a8eac4383b97631d3ed916494/FLAG076f75fff [2021-11-23 15:53:16,566 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:16,568 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2021-11-23 15:53:16,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/a137fa278/c25c741a8eac4383b97631d3ed916494/FLAG076f75fff [2021-11-23 15:53:16,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/a137fa278/c25c741a8eac4383b97631d3ed916494 [2021-11-23 15:53:16,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:16,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:16,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:16,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:16,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:16,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b88293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16, skipping insertion in model container [2021-11-23 15:53:16,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:16,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:17,037 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_61fc28fd-6bbf-4197-a094-2595b8e18749/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2021-11-23 15:53:17,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:17,246 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:17,259 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_61fc28fd-6bbf-4197-a094-2595b8e18749/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2021-11-23 15:53:17,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:17,365 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:17,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17 WrapperNode [2021-11-23 15:53:17,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:17,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:17,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:17,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:17,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,444 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2021-11-23 15:53:17,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:17,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:17,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:17,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:17,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:17,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:17,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:17,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:17,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:17,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:53:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:53:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:53:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:53:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:53:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:53:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:53:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:53:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:53:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:53:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:17,597 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 15:53:17,783 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:17,784 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:18,474 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:18,586 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 15:53:18,593 INFO L158 Benchmark]: Toolchain (without parser) took 1775.06ms. Allocated memory is still 115.3MB. Free memory was 85.6MB in the beginning and 70.3MB in the end (delta: 15.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,594 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:18,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.68ms. Allocated memory is still 115.3MB. Free memory was 85.4MB in the beginning and 61.8MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.15ms. Allocated memory is still 115.3MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,596 INFO L158 Benchmark]: Boogie Preprocessor took 44.19ms. Allocated memory is still 115.3MB. Free memory was 59.2MB in the beginning and 56.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,597 INFO L158 Benchmark]: RCFGBuilder took 1101.27ms. Allocated memory is still 115.3MB. Free memory was 56.9MB in the beginning and 70.3MB in the end (delta: -13.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.68ms. Allocated memory is still 115.3MB. Free memory was 85.4MB in the beginning and 61.8MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.15ms. Allocated memory is still 115.3MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.19ms. Allocated memory is still 115.3MB. Free memory was 59.2MB in the beginning and 56.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1101.27ms. Allocated memory is still 115.3MB. Free memory was 56.9MB in the beginning and 70.3MB in the end (delta: -13.4MB). Peak memory consumption was 23.1MB. 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 15:53:18,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/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_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/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_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/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_61fc28fd-6bbf-4197-a094-2595b8e18749/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 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:21,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:21,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:21,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:21,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:21,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:21,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:21,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:21,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:21,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:21,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:21,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:21,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:21,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:21,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:21,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:21,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:21,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:21,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:21,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:21,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:21,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:21,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:21,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:21,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:21,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:21,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:21,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:21,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:21,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:21,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:21,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:21,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:21,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:21,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:21,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:21,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:21,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:21,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:21,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:21,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:21,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:21,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:21,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:21,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:21,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:21,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:21,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:21,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:21,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:21,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:21,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:21,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:21,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:21,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:21,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:21,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:21,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:21,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:21,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:21,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:21,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:21,302 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:21,302 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:21,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:21,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:21,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:21,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:21,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:21,304 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:21,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:21,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:21,304 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:21,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:21,305 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_61fc28fd-6bbf-4197-a094-2595b8e18749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2021-11-23 15:53:21,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:21,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:21,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:21,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:21,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:21,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2021-11-23 15:53:21,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/c8aacad47/b493b4c938ee4d14ab1f2c31d6108fb5/FLAG6f523bbb5 [2021-11-23 15:53:22,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:22,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2021-11-23 15:53:22,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/c8aacad47/b493b4c938ee4d14ab1f2c31d6108fb5/FLAG6f523bbb5 [2021-11-23 15:53:22,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/data/c8aacad47/b493b4c938ee4d14ab1f2c31d6108fb5 [2021-11-23 15:53:22,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:22,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:22,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:22,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:22,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:22,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1257a47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:22, skipping insertion in model container [2021-11-23 15:53:22,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:22" (1/1) ... [2021-11-23 15:53:22,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:22,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:23,057 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_61fc28fd-6bbf-4197-a094-2595b8e18749/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2021-11-23 15:53:23,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:23,387 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:23,404 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_61fc28fd-6bbf-4197-a094-2595b8e18749/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2021-11-23 15:53:23,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:23,577 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:23,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23 WrapperNode [2021-11-23 15:53:23,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:23,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:23,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:23,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:23,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,676 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2021-11-23 15:53:23,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:23,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:23,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:23,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:23,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:23,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:23,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:23,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:23,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:23" (1/1) ... [2021-11-23 15:53:23,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:23,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:23,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:53:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:53:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:53:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:53:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:53:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:53:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:53:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:53:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:53:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:23,853 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 15:53:24,102 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:24,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:24,685 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:24,775 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 15:53:24,779 INFO L158 Benchmark]: Toolchain (without parser) took 2023.85ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.2MB in the beginning and 24.1MB in the end (delta: 1.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,779 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:24,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.49ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.1MB in the beginning and 38.7MB in the end (delta: -13.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.18ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 36.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,782 INFO L158 Benchmark]: Boogie Preprocessor took 67.69ms. Allocated memory is still 60.8MB. Free memory was 36.1MB in the beginning and 33.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,783 INFO L158 Benchmark]: RCFGBuilder took 1015.34ms. Allocated memory is still 60.8MB. Free memory was 33.4MB in the beginning and 24.1MB in the end (delta: 9.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:24,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.49ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.1MB in the beginning and 38.7MB in the end (delta: -13.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.18ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 36.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.69ms. Allocated memory is still 60.8MB. Free memory was 36.1MB in the beginning and 33.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.34ms. Allocated memory is still 60.8MB. Free memory was 33.4MB in the beginning and 24.1MB in the end (delta: 9.4MB). Peak memory consumption was 11.6MB. 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 15:53:24,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc28fd-6bbf-4197-a094-2595b8e18749/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable