./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_power.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_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/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_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/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_c63c9887-6889-4575-b1fe-26990c790a9d/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 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:55,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:55,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:55,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:55,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:55,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:55,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:55,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:55,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:55,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:55,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:55,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:55,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:55,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:55,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:55,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:55,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:55,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:55,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:55,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:55,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:55,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:55,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:55,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:55,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:55,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:55,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:55,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:55,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:55,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:55,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:55,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:55,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:55,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:55,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:55,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:55,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:55,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:55,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:55,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:55,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:55,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:55,642 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:55,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:55,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:55,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:55,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:55,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:55,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:55,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:55,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:55,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:55,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:55,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:55,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:55,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:55,649 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:55,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:55,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:55,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:55,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:55,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:55,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:55,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:55,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:55,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:55,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:55,654 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:55,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:55,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:55,655 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_c63c9887-6889-4575-b1fe-26990c790a9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b [2021-11-23 15:54:55,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:55,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:55,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:55,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:55,938 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:55,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i [2021-11-23 15:54:55,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/51e5671b9/82f29d51a2af439fa3a819dd037af067/FLAGea427c4f8 [2021-11-23 15:54:56,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:56,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i [2021-11-23 15:54:56,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/51e5671b9/82f29d51a2af439fa3a819dd037af067/FLAGea427c4f8 [2021-11-23 15:54:56,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/51e5671b9/82f29d51a2af439fa3a819dd037af067 [2021-11-23 15:54:56,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:56,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:56,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:56,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:56,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:56,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:56" (1/1) ... [2021-11-23 15:54:56,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bf91fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:56, skipping insertion in model container [2021-11-23 15:54:56,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:56" (1/1) ... [2021-11-23 15:54:56,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:56,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:57,116 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_c63c9887-6889-4575-b1fe-26990c790a9d/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i[995,1008] [2021-11-23 15:54:57,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:57,326 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:57,338 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_c63c9887-6889-4575-b1fe-26990c790a9d/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i[995,1008] [2021-11-23 15:54:57,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:57,427 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:57,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57 WrapperNode [2021-11-23 15:54:57,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:57,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:57,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:57,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:57,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,485 INFO L137 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2021-11-23 15:54:57,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:57,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:57,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:57,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:57,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:57,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:57,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:57,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:57,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:57" (1/1) ... [2021-11-23 15:54:57,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:57,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:57,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:57,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:54:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:54:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:54:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:57,664 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 15:54:57,903 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:57,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:58,663 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:58,788 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 15:54:58,797 INFO L158 Benchmark]: Toolchain (without parser) took 1934.44ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.3MB in the beginning and 67.7MB in the end (delta: -5.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:58,798 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:58,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.25ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 57.4MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:58,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.67ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 55.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:58,802 INFO L158 Benchmark]: Boogie Preprocessor took 62.68ms. Allocated memory is still 96.5MB. Free memory was 55.0MB in the beginning and 52.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:58,803 INFO L158 Benchmark]: RCFGBuilder took 1241.26ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 52.2MB in the beginning and 67.7MB in the end (delta: -15.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:58,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.25ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 57.4MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.67ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 55.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.68ms. Allocated memory is still 96.5MB. Free memory was 55.0MB in the beginning and 52.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1241.26ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 52.2MB in the beginning and 67.7MB in the end (delta: -15.5MB). Peak memory consumption was 15.1MB. 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 15:54:58,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/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_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/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_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/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_c63c9887-6889-4575-b1fe-26990c790a9d/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 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:01,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:01,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:01,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:01,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:01,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:01,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:01,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:01,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:01,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:01,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:01,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:01,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:01,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:01,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:01,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:01,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:01,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:01,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:01,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:01,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:01,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:01,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:01,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:01,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:01,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:01,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:01,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:01,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:01,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:01,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:01,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:01,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:01,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:01,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:01,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:01,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:01,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:01,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:01,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:01,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:01,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:01,507 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:01,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:01,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:01,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:01,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:01,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:01,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:01,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:01,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:01,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:01,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:01,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:01,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:01,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:01,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:01,514 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:01,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:01,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:01,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:01,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:01,515 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:01,516 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:01,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:01,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:01,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:01,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:01,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:01,517 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:01,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:01,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:01,518 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:01,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:01,518 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_c63c9887-6889-4575-b1fe-26990c790a9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b [2021-11-23 15:55:01,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:01,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:01,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:01,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:01,988 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:01,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i [2021-11-23 15:55:02,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/f9e346a7f/de020fb850aa4cb486a1dc4eaf5e68ec/FLAG9fb7b50fa [2021-11-23 15:55:02,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:02,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i [2021-11-23 15:55:02,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/f9e346a7f/de020fb850aa4cb486a1dc4eaf5e68ec/FLAG9fb7b50fa [2021-11-23 15:55:02,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/data/f9e346a7f/de020fb850aa4cb486a1dc4eaf5e68ec [2021-11-23 15:55:02,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:02,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:02,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:02,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:02,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:02,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:02" (1/1) ... [2021-11-23 15:55:02,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234d905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:02, skipping insertion in model container [2021-11-23 15:55:03,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:02" (1/1) ... [2021-11-23 15:55:03,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:03,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:03,258 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_c63c9887-6889-4575-b1fe-26990c790a9d/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i[995,1008] [2021-11-23 15:55:03,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:03,498 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:03,510 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_c63c9887-6889-4575-b1fe-26990c790a9d/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i[995,1008] [2021-11-23 15:55:03,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:03,614 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:03,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03 WrapperNode [2021-11-23 15:55:03,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:03,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:03,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:03,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:03,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,700 INFO L137 Inliner]: procedures = 180, calls = 69, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2021-11-23 15:55:03,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:03,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:03,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:03,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:03,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:03,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:03,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:03,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:03,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:03,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:03,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:03,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:55:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:55:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:55:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:55:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:55:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:55:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:55:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:55:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:03,875 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 15:55:04,079 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:04,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:04,792 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:04,922 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 15:55:04,930 INFO L158 Benchmark]: Toolchain (without parser) took 1936.88ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 48.4MB in the beginning and 52.2MB in the end (delta: -3.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:04,931 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:04,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.33ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 37.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:04,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.01ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 34.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:04,934 INFO L158 Benchmark]: Boogie Preprocessor took 49.94ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 31.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:04,935 INFO L158 Benchmark]: RCFGBuilder took 1175.30ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 52.2MB in the end (delta: -20.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:04,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.33ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 37.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.01ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 34.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.94ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 31.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1175.30ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 52.2MB in the end (delta: -20.5MB). Peak memory consumption was 12.8MB. 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 15:55:05,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c9887-6889-4575-b1fe-26990c790a9d/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