./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.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_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/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_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/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_37295e8f-37d6-4aad-b844-313dc3528484/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 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:28,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:28,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:28,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:28,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:28,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:28,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:28,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:28,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:28,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:28,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:28,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:28,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:28,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:28,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:28,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:28,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:28,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:28,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:28,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:28,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:28,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:28,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:28,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:28,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:28,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:28,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:28,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:28,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:28,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:28,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:28,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:28,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:28,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:28,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:28,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:28,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:28,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:28,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:28,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:28,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:28,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:28,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:28,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:28,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:28,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:28,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:28,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:28,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:28,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:28,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:28,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:28,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:28,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:28,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:28,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:28,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:28,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:28,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:28,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:28,712 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:28,713 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:28,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:28,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:28,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:28,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:28,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:28,714 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:28,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:28,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:28,714 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_37295e8f-37d6-4aad-b844-313dc3528484/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2021-11-23 15:53:29,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:29,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:29,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:29,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:29,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:29,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-11-23 15:53:29,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/103e82568/5381601f90f743129f28c1ae8cb418be/FLAG70cbed664 [2021-11-23 15:53:29,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:29,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-11-23 15:53:29,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/103e82568/5381601f90f743129f28c1ae8cb418be/FLAG70cbed664 [2021-11-23 15:53:30,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/103e82568/5381601f90f743129f28c1ae8cb418be [2021-11-23 15:53:30,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:30,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:30,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:30,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:30,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:30,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c6bae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30, skipping insertion in model container [2021-11-23 15:53:30,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:30,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:30,363 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_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-11-23 15:53:30,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:30,398 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:30,447 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_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-11-23 15:53:30,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:30,478 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:30,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30 WrapperNode [2021-11-23 15:53:30,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:30,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:30,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:30,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:30,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,544 INFO L137 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2021-11-23 15:53:30,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:30,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:30,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:30,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:30,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:30,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:30,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:30,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:30,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:30,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:30,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:30,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:53:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:53:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:53:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:30,699 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:53:30,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:30,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:31,123 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:31,272 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:31,277 INFO L158 Benchmark]: Toolchain (without parser) took 1225.67ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 65.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,279 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:31,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.35ms. Allocated memory is still 115.3MB. Free memory was 80.7MB in the beginning and 88.4MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.95ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:31,283 INFO L158 Benchmark]: Boogie Preprocessor took 61.46ms. Allocated memory is still 115.3MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:31,284 INFO L158 Benchmark]: RCFGBuilder took 667.36ms. Allocated memory is still 115.3MB. Free memory was 84.9MB in the beginning and 65.3MB in the end (delta: 19.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.35ms. Allocated memory is still 115.3MB. Free memory was 80.7MB in the beginning and 88.4MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.95ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.46ms. Allocated memory is still 115.3MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.36ms. Allocated memory is still 115.3MB. Free memory was 84.9MB in the beginning and 65.3MB in the end (delta: 19.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:31,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/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_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/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_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/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_37295e8f-37d6-4aad-b844-313dc3528484/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 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:33,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:33,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:33,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:33,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:33,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:33,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:33,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:33,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:33,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:33,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:33,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:33,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:33,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:33,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:33,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:33,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:33,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:33,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:33,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:33,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:33,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:33,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:33,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:33,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:33,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:33,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:33,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:33,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:33,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:33,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:33,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:33,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:33,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:33,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:33,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:33,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:33,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:33,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:33,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:33,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:33,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:33,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:33,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:33,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:33,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:33,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:33,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:33,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:33,977 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:33,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:33,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:33,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:33,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:33,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:33,980 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:33,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:33,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:33,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:33,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:33,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:33,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:33,982 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:33,982 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:33,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:33,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:33,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:33,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:33,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:33,983 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:33,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:33,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:33,984 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:33,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:33,985 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_37295e8f-37d6-4aad-b844-313dc3528484/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2021-11-23 15:53:34,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:34,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:34,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:34,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:34,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:34,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-11-23 15:53:34,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/fa66f872d/e62b7577a50c483c9d47c4748604ac37/FLAG1e4bf5e92 [2021-11-23 15:53:34,972 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:34,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-11-23 15:53:34,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/fa66f872d/e62b7577a50c483c9d47c4748604ac37/FLAG1e4bf5e92 [2021-11-23 15:53:35,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/data/fa66f872d/e62b7577a50c483c9d47c4748604ac37 [2021-11-23 15:53:35,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:35,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:35,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:35,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:35,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:35,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f71c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35, skipping insertion in model container [2021-11-23 15:53:35,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:35,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:35,607 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_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-11-23 15:53:35,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:35,689 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:53:35,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:35,747 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_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-11-23 15:53:35,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:35,764 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:35,810 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_37295e8f-37d6-4aad-b844-313dc3528484/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-11-23 15:53:35,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:35,842 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:35,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35 WrapperNode [2021-11-23 15:53:35,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:35,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:35,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:35,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:35,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,904 INFO L137 Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-23 15:53:35,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:35,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:35,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:35,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:35,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:35,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:35,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:35,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:35,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:35,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:36,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:36,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:53:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:53:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:53:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:36,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:36,075 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:53:36,219 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:36,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:36,664 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:36,806 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:36,811 INFO L158 Benchmark]: Toolchain (without parser) took 1491.78ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 42.9MB in the beginning and 55.0MB in the end (delta: -12.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,812 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:36,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.38ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 43.0MB in the end (delta: -313.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.52ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,814 INFO L158 Benchmark]: Boogie Preprocessor took 67.67ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 39.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:36,815 INFO L158 Benchmark]: RCFGBuilder took 834.60ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 55.0MB in the end (delta: -15.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.38ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 43.0MB in the end (delta: -313.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.52ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.67ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 39.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 834.60ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 55.0MB in the end (delta: -15.6MB). Peak memory consumption was 23.0MB. 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 15:53:36,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37295e8f-37d6-4aad-b844-313dc3528484/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