./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/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_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:53:54,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:54,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:54,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:54,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:54,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:54,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:54,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:54,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:54,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:54,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:54,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:54,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:54,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:54,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:54,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:54,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:54,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:54,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:54,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:54,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:54,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:54,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:54,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:54,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:54,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:54,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:54,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:54,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:54,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:54,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:54,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:54,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:54,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:54,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:54,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:54,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:54,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:54,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:54,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:54,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:54,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:55,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:55,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:55,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:55,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:55,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:55,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:55,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:55,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:55,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:55,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:55,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:55,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:55,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:55,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:55,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:55,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:55,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:55,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:55,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:55,028 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:55,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:55,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:55,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:55,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:55,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:55,029 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:55,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:55,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:55,029 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2022-10-17 16:53:55,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:55,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:55,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:55,392 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:55,393 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:55,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2022-10-17 16:53:55,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/d4f55c79a/b30e47a18e1149a2ba91bc7eaf6c7132/FLAGbe0d2496b [2022-10-17 16:53:55,955 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:55,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2022-10-17 16:53:55,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/d4f55c79a/b30e47a18e1149a2ba91bc7eaf6c7132/FLAGbe0d2496b [2022-10-17 16:53:56,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/d4f55c79a/b30e47a18e1149a2ba91bc7eaf6c7132 [2022-10-17 16:53:56,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:56,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:56,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:56,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:56,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:56,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dad1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56, skipping insertion in model container [2022-10-17 16:53:56,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:56,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:56,622 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-10-17 16:53:56,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:56,653 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:56,703 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-10-17 16:53:56,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:56,727 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:56,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56 WrapperNode [2022-10-17 16:53:56,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:56,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:56,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:56,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:56,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,768 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2022-10-17 16:53:56,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:56,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:56,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:56,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:56,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:56,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:56,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:56,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:56,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:56,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:56,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:56,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:53:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:53:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:53:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:53:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:53:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:53:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:53:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:53:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:53:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:53:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:53:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:53:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:53:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:53:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:53:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:53:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:53:56,907 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:53:57,022 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:57,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:57,428 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:57,569 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:57,574 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:53:57,575 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-10-17 16:53:57,576 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:303) 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) [2022-10-17 16:53:57,583 INFO L158 Benchmark]: Toolchain (without parser) took 1279.66ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 42.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,584 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:57,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.79ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 70.0MB in the end (delta: -11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.49ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,589 INFO L158 Benchmark]: Boogie Preprocessor took 35.33ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 66.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:57,591 INFO L158 Benchmark]: RCFGBuilder took 775.48ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 42.1MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:53:57,596 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 96.5MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.79ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 70.0MB in the end (delta: -11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.49ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.33ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 66.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 775.48ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 42.1MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:53:57,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/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_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/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_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:54:00,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:00,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:00,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:00,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:00,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:00,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:00,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:00,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:00,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:00,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:00,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:00,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:00,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:00,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:00,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:00,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:00,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:00,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:00,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:00,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:00,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:00,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:00,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:00,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:00,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:00,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:00,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:00,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:00,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:00,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:00,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:00,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:00,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:00,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:00,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:00,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:00,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:00,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:00,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:00,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:00,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:54:00,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:00,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:00,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:00,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:00,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:00,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:00,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:00,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:00,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:00,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:00,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:00,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:00,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:00,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:54:00,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:54:00,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:54:00,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:00,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:00,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:00,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:00,421 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:00,421 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:00,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:00,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:00,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:00,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:00,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:00,423 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:54:00,423 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:54:00,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:00,424 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:54:00,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:54:00,424 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2022-10-17 16:54:00,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:00,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:00,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:00,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:00,835 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:00,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2022-10-17 16:54:00,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/a584a65e9/6128d0d075664a728b3cde33ae488751/FLAGe03cbdc24 [2022-10-17 16:54:01,447 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:01,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2022-10-17 16:54:01,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/a584a65e9/6128d0d075664a728b3cde33ae488751/FLAGe03cbdc24 [2022-10-17 16:54:01,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/data/a584a65e9/6128d0d075664a728b3cde33ae488751 [2022-10-17 16:54:01,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:01,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:01,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:01,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:01,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:01,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:01" (1/1) ... [2022-10-17 16:54:01,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379c00a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:01, skipping insertion in model container [2022-10-17 16:54:01,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:01" (1/1) ... [2022-10-17 16:54:01,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:01,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:02,088 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-10-17 16:54:02,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:02,136 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:54:02,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:02,194 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-10-17 16:54:02,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:02,211 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:02,257 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_3e442509-30d2-4d0e-8001-be48f74a7ea5/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2022-10-17 16:54:02,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:02,298 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:02,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02 WrapperNode [2022-10-17 16:54:02,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:02,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:02,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:02,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:02,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,371 INFO L138 Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-10-17 16:54:02,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:02,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:02,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:02,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:02,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:02,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:02,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:02,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:02,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:02" (1/1) ... [2022-10-17 16:54:02,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:02,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:02,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:02,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:54:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:54:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:54:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:54:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:54:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:54:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:54:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:54:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:54:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:54:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:54:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:54:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:54:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:54:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:54:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:54:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:54:02,564 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:54:02,752 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:02,755 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:03,248 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:03,423 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:03,431 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:54:03,432 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-10-17 16:54:03,433 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:303) 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) [2022-10-17 16:54:03,437 INFO L158 Benchmark]: Toolchain (without parser) took 1671.16ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 38.3MB in the end (delta: 5.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-10-17 16:54:03,438 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:03,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.79ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:54:03,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.28ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:03,440 INFO L158 Benchmark]: Boogie Preprocessor took 89.02ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 37.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:03,441 INFO L158 Benchmark]: RCFGBuilder took 972.69ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 38.3MB in the end (delta: -1.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-10-17 16:54:03,445 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 43.0MB in the beginning and 43.0MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.79ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.28ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.02ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 37.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 972.69ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 38.3MB in the end (delta: -1.1MB). Peak memory consumption was 16.9MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:54:03,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e442509-30d2-4d0e-8001-be48f74a7ea5/bin/ukojak-92XMlrwhuB/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?