./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:24,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:24,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:24,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:24,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:24,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:24,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:24,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:24,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:24,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:24,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:24,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:24,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:24,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:24,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:24,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:24,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:24,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:24,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:24,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:24,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:24,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:24,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:24,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:24,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:24,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:24,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:24,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:24,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:24,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:24,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:24,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:24,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:24,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:24,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:24,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:24,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:24,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:24,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:24,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:24,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:24,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:31:24,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:24,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:24,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:24,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:24,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:24,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:24,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:24,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:24,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:24,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:24,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:24,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:24,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:24,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:24,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:24,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:24,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:24,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:24,565 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:24,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:24,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:24,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:24,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:24,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:24,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:24,567 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:24,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:24,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:24,568 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f [2021-11-23 15:31:24,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:24,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:24,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:24,964 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:24,966 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:24,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2021-11-23 15:31:25,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/e9151bc64/8ede0d83be9d4a89991ffbb03e74ae70/FLAGf41a86016 [2021-11-23 15:31:25,790 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:25,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2021-11-23 15:31:25,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/e9151bc64/8ede0d83be9d4a89991ffbb03e74ae70/FLAGf41a86016 [2021-11-23 15:31:26,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/e9151bc64/8ede0d83be9d4a89991ffbb03e74ae70 [2021-11-23 15:31:26,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:26,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:26,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:26,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:26,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:26,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756e5ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26, skipping insertion in model container [2021-11-23 15:31:26,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:26,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:26,410 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-11-23 15:31:26,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:26,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:26,469 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-11-23 15:31:26,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:26,495 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:26,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26 WrapperNode [2021-11-23 15:31:26,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:26,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:26,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:26,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:26,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,549 INFO L137 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2021-11-23 15:31:26,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:26,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:26,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:26,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:26,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:26,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:26,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:26,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:26,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:26,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:26,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:26,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:31:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:31:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:31:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:31:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:31:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:31:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:31:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:31:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:31:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:31:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:31:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:31:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:26,736 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 15:31:26,872 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:26,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:27,399 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:27,612 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 15:31:27,619 INFO L158 Benchmark]: Toolchain (without parser) took 1541.17ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 74.8MB in the end (delta: 27.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,621 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 125.8MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:27,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.58ms. Allocated memory is still 125.8MB. Free memory was 101.9MB in the beginning and 99.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.85ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 97.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,627 INFO L158 Benchmark]: Boogie Preprocessor took 54.55ms. Allocated memory is still 125.8MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,628 INFO L158 Benchmark]: RCFGBuilder took 1010.79ms. Allocated memory is still 125.8MB. Free memory was 95.7MB in the beginning and 74.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 125.8MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.58ms. Allocated memory is still 125.8MB. Free memory was 101.9MB in the beginning and 99.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.85ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 97.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.55ms. Allocated memory is still 125.8MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.79ms. Allocated memory is still 125.8MB. Free memory was 95.7MB in the beginning and 74.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:27,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:30,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:30,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:30,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:30,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:30,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:30,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:30,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:30,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:30,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:30,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:30,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:30,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:30,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:30,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:30,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:30,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:30,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:30,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:30,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:30,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:30,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:30,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:30,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:30,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:30,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:30,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:30,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:30,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:30,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:30,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:30,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:30,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:30,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:30,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:30,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:30,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:30,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:30,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:30,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:30,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:30,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:30,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:30,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:30,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:30,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:30,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:30,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:30,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:30,943 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:30,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:30,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:30,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:30,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:30,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:30,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:30,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:30,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:30,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:30,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:30,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:30,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:30,948 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:30,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:30,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:30,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:30,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:30,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:30,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:30,951 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:30,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:30,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:30,952 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:30,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:30,952 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f [2021-11-23 15:31:31,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:31,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:31,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:31,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:31,472 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:31,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2021-11-23 15:31:31,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/3bec2af75/520b296d7e63426cb79d31d5cab55a6b/FLAG6e687fe59 [2021-11-23 15:31:32,236 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:32,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2021-11-23 15:31:32,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/3bec2af75/520b296d7e63426cb79d31d5cab55a6b/FLAG6e687fe59 [2021-11-23 15:31:32,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/data/3bec2af75/520b296d7e63426cb79d31d5cab55a6b [2021-11-23 15:31:32,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:32,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:32,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:32,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:32,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:32,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 15:31:32,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325e56bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32, skipping insertion in model container [2021-11-23 15:31:32,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 15:31:32,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:32,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:32,915 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-11-23 15:31:32,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:32,999 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:31:33,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:33,056 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-11-23 15:31:33,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:33,077 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:33,129 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_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-11-23 15:31:33,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:33,164 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:33,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33 WrapperNode [2021-11-23 15:31:33,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:33,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:33,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:33,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:33,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,225 INFO L137 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2021-11-23 15:31:33,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:33,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:33,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:33,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:33,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:33,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:33,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:33,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:33,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:33,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:33,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:33,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:31:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:31:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:31:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:31:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:31:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:31:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:31:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:31:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:31:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:31:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:31:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:31:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:31:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:31:33,418 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 15:31:33,574 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:33,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:33,990 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:34,213 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 15:31:34,224 INFO L158 Benchmark]: Toolchain (without parser) took 1620.89ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 37.9MB in the end (delta: 8.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,226 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 67.1MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:34,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.40ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 46.6MB in the end (delta: -748.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.67ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,231 INFO L158 Benchmark]: Boogie Preprocessor took 80.27ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 43.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:34,232 INFO L158 Benchmark]: RCFGBuilder took 911.01ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 37.9MB in the end (delta: 5.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 67.1MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.40ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 46.6MB in the end (delta: -748.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.67ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.27ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 43.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 911.01ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 37.9MB in the end (delta: 5.2MB). Peak memory consumption was 18.8MB. 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 15:31:34,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b4c46a-7fb3-4d3a-ba01-58e24660b79b/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