./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ --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 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:02,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:02,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:02,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:02,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:02,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:02,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:02,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:02,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:02,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:02,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:02,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:02,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:02,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:02,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:02,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:02,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:02,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:02,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:02,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:02,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:02,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:02,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:02,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:02,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:02,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:02,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:02,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:02,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:02,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:02,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:02,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:02,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:02,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:02,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:02,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:02,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:02,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:02,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:02,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:02,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:02,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:34:02,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:02,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:02,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:34:02,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:34:02,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:02,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:02,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:02,871 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:34:02,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:34:02,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:34:02,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:02,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:34:02,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:02,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:34:02,873 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:34:02,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:34:02,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:02,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:34:02,874 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:02,874 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:02,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:02,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:02,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:02,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:02,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:34:02,876 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:34:02,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:34:02,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:34:02,876 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 [2021-11-23 01:34:03,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:03,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:03,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:03,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:03,180 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:03,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2021-11-23 01:34:03,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/8046a6b11/968e30cc08b24f72870b56c1cc9bf165/FLAG5fe7a946a [2021-11-23 01:34:03,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:03,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2021-11-23 01:34:03,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/8046a6b11/968e30cc08b24f72870b56c1cc9bf165/FLAG5fe7a946a [2021-11-23 01:34:04,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/8046a6b11/968e30cc08b24f72870b56c1cc9bf165 [2021-11-23 01:34:04,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:04,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:04,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:04,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:04,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:04,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3b8fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04, skipping insertion in model container [2021-11-23 01:34:04,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:04,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:04,542 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2021-11-23 01:34:04,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:04,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:04,631 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2021-11-23 01:34:04,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:04,655 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:04,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04 WrapperNode [2021-11-23 01:34:04,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:04,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:04,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:04,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:04,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,729 INFO L137 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2021-11-23 01:34:04,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:04,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:04,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:04,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:04,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:04,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:04,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:04,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:04,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:04,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:04,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:34:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:34:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:34:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:34:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:34:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:34:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:34:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:34:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:34:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:34:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:34:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:34:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:34:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:34:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:04,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:34:04,895 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 01:34:05,058 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:05,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:05,278 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:05,426 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:05,426 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:34:05,427 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L104 is neither atomic block end nor a sink node. [2021-11-23 01:34:05,428 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:34:05,433 INFO L158 Benchmark]: Toolchain (without parser) took 1225.38ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 45.5MB in the end (delta: 13.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,435 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:05,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.24ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 66.9MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.92ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,441 INFO L158 Benchmark]: Boogie Preprocessor took 60.31ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,442 INFO L158 Benchmark]: RCFGBuilder took 639.87ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 45.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.24ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 66.9MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.92ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.31ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.87ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 45.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:34:05,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ --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 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:08,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:08,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:08,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:08,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:08,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:08,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:08,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:08,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:08,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:08,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:08,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:08,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:08,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:08,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:08,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:08,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:08,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:08,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:08,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:08,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:08,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:08,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:08,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:08,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:08,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:08,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:08,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:08,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:08,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:08,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:08,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:08,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:08,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:08,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:08,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:08,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:08,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:08,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:08,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:08,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:08,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:34:08,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:08,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:08,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:34:08,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:34:08,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:08,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:08,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:08,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:34:08,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:34:08,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:08,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:34:08,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:08,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:34:08,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:34:08,342 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:34:08,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:34:08,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:34:08,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:34:08,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:08,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:34:08,343 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:08,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:08,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:08,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:08,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:08,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:08,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:34:08,344 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:34:08,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:34:08,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:34:08,345 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:34:08,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:34:08,346 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 [2021-11-23 01:34:08,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:08,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:08,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:08,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:08,790 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:08,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2021-11-23 01:34:08,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/fea5ed1bd/7f6ea3a4057a497a938435825854240e/FLAGcfa9de171 [2021-11-23 01:34:09,561 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:09,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2021-11-23 01:34:09,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/fea5ed1bd/7f6ea3a4057a497a938435825854240e/FLAGcfa9de171 [2021-11-23 01:34:09,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/data/fea5ed1bd/7f6ea3a4057a497a938435825854240e [2021-11-23 01:34:09,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:09,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:09,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:09,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:09,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:09,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:09" (1/1) ... [2021-11-23 01:34:09,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a34b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:09, skipping insertion in model container [2021-11-23 01:34:09,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:09" (1/1) ... [2021-11-23 01:34:09,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:09,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:10,036 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2021-11-23 01:34:10,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:10,065 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:34:10,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:10,082 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2021-11-23 01:34:10,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:10,096 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:10,118 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_30f8ad06-112f-4fa1-bc3f-c7af50a90429/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2021-11-23 01:34:10,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:10,141 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:10,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10 WrapperNode [2021-11-23 01:34:10,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:10,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:10,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:10,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:10,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,189 INFO L137 Inliner]: procedures = 28, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2021-11-23 01:34:10,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:10,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:10,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:10,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:10,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:10,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:10,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:10,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:10,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:10" (1/1) ... [2021-11-23 01:34:10,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:10,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:10,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:10,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:34:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:34:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:34:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:34:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:34:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:34:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:34:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:34:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:34:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:34:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:34:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:34:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:34:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:34:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:34:10,325 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 01:34:10,474 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:10,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:10,841 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:11,022 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:11,023 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:34:11,024 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L104 is neither atomic block end nor a sink node. [2021-11-23 01:34:11,025 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:34:11,033 INFO L158 Benchmark]: Toolchain (without parser) took 1202.56ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 26.6MB in the end (delta: 15.3MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-23 01:34:11,034 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:11,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.83ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 28.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:34:11,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 60.8MB. Free memory was 28.7MB in the beginning and 26.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:11,039 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 60.8MB. Free memory was 26.9MB in the beginning and 25.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:11,040 INFO L158 Benchmark]: RCFGBuilder took 802.40ms. Allocated memory is still 60.8MB. Free memory was 25.3MB in the beginning and 26.6MB in the end (delta: -1.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 01:34:11,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.83ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 28.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 60.8MB. Free memory was 28.7MB in the beginning and 26.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.95ms. Allocated memory is still 60.8MB. Free memory was 26.9MB in the beginning and 25.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 802.40ms. Allocated memory is still 60.8MB. Free memory was 25.3MB in the beginning and 26.6MB in the end (delta: -1.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:34:11,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f8ad06-112f-4fa1-bc3f-c7af50a90429/bin/ukojak-LBtLqBUTdQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?