./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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 7a0803bc25bdee4cec741e6286f7294c3704d91bb65e5684830693d517eafafb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:43,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:43,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:43,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:43,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:43,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:43,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:43,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:43,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:43,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:43,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:43,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:43,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:43,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:43,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:43,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:43,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:43,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:43,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:43,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:43,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:43,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:43,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:43,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:43,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:43,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:43,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:43,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:43,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:43,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:43,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:43,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:43,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:43,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:43,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:43,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:43,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:43,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:43,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:43,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:43,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:43,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:43,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:43,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:43,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:43,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:43,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:43,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:43,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:43,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:43,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:43,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:43,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:43,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:43,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:43,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:43,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:43,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:43,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:43,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:43,488 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:43,488 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:43,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:43,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:43,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:43,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:43,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:43,490 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:43,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:43,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:43,491 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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a0803bc25bdee4cec741e6286f7294c3704d91bb65e5684830693d517eafafb [2021-11-23 15:54:43,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:43,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:43,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:43,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:43,790 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:43,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i [2021-11-23 15:54:43,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/adf249672/25933b034b1b4e9b8314ccb21042de06/FLAG81a61a4f5 [2021-11-23 15:54:44,430 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:44,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i [2021-11-23 15:54:44,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/adf249672/25933b034b1b4e9b8314ccb21042de06/FLAG81a61a4f5 [2021-11-23 15:54:44,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/adf249672/25933b034b1b4e9b8314ccb21042de06 [2021-11-23 15:54:44,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:44,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:44,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:44,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:44,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:44,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372ed07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44, skipping insertion in model container [2021-11-23 15:54:44,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:44,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:45,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i[30582,30595] [2021-11-23 15:54:45,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:45,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:45,366 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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i[30582,30595] [2021-11-23 15:54:45,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:45,421 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:45,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45 WrapperNode [2021-11-23 15:54:45,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:45,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:45,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:45,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:45,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,503 INFO L137 Inliner]: procedures = 170, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2021-11-23 15:54:45,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:45,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:45,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:45,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:45,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:45,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:45,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:45,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:45,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:45,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:45,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:54:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:54:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:45,653 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 15:54:45,763 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:45,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:46,021 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:46,054 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 15:54:46,058 INFO L158 Benchmark]: Toolchain (without parser) took 1315.84ms. Allocated memory is still 140.5MB. Free memory was 104.8MB in the beginning and 86.5MB in the end (delta: 18.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,059 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:46,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.79ms. Allocated memory is still 140.5MB. Free memory was 104.5MB in the beginning and 104.3MB in the end (delta: 244.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.71ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 102.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,061 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 140.5MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,062 INFO L158 Benchmark]: RCFGBuilder took 496.51ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 86.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.79ms. Allocated memory is still 140.5MB. Free memory was 104.5MB in the beginning and 104.3MB in the end (delta: 244.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.71ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 102.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 140.5MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.51ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 86.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:46,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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 7a0803bc25bdee4cec741e6286f7294c3704d91bb65e5684830693d517eafafb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:48,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:48,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:48,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:48,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:48,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:48,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:48,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:48,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:48,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:48,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:48,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:48,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:48,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:48,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:48,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:48,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:48,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:48,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:48,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:48,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:48,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:48,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:48,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:48,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:48,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:48,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:48,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:48,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:48,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:48,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:48,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:48,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:48,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:48,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:48,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:48,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:48,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:48,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:48,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:48,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:48,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:48,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:48,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:48,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:48,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:48,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:48,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:48,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:48,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:48,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:48,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:48,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:48,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:48,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:48,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:48,769 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:48,769 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:48,769 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:48,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:48,769 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:48,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:48,770 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:48,770 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:48,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:48,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:48,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:48,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:48,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:48,772 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:48,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:48,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:48,772 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:48,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:48,773 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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a0803bc25bdee4cec741e6286f7294c3704d91bb65e5684830693d517eafafb [2021-11-23 15:54:49,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:49,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:49,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:49,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:49,226 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:49,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i [2021-11-23 15:54:49,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/ea81cc48a/adfd6e1c50ae443d8617b0698e9b5a0c/FLAGebab5d516 [2021-11-23 15:54:49,849 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:49,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i [2021-11-23 15:54:49,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/ea81cc48a/adfd6e1c50ae443d8617b0698e9b5a0c/FLAGebab5d516 [2021-11-23 15:54:50,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/data/ea81cc48a/adfd6e1c50ae443d8617b0698e9b5a0c [2021-11-23 15:54:50,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:50,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:50,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:50,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:50,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:50,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e414b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50, skipping insertion in model container [2021-11-23 15:54:50,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:50,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:50,545 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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i[30582,30595] [2021-11-23 15:54:50,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:50,585 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:50,645 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_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas.i[30582,30595] [2021-11-23 15:54:50,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:50,715 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:50,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50 WrapperNode [2021-11-23 15:54:50,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:50,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:50,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:50,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:50,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,804 INFO L137 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2021-11-23 15:54:50,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:50,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:50,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:50,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:50,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:50,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:50,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:50,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:50,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:50,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:50,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:50,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:54:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:54:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:54:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:54:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:54:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:50,941 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 15:54:51,103 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:51,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:51,423 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:51,462 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 15:54:51,466 INFO L158 Benchmark]: Toolchain (without parser) took 1337.29ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 42.1MB in the end (delta: 1.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,466 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:51,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.23ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 39.7MB in the end (delta: 3.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.96ms. Allocated memory is still 65.0MB. Free memory was 39.7MB in the beginning and 37.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,469 INFO L158 Benchmark]: Boogie Preprocessor took 52.22ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 35.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,470 INFO L158 Benchmark]: RCFGBuilder took 605.56ms. Allocated memory is still 65.0MB. Free memory was 35.5MB in the beginning and 42.1MB in the end (delta: -6.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,473 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 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.23ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 39.7MB in the end (delta: 3.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.96ms. Allocated memory is still 65.0MB. Free memory was 39.7MB in the beginning and 37.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.22ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 35.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.56ms. Allocated memory is still 65.0MB. Free memory was 35.5MB in the beginning and 42.1MB in the end (delta: -6.6MB). Peak memory consumption was 12.2MB. 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 15:54:51,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ca0d63-3fe5-4b4a-bf5e-775c533a4a74/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