./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --- 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-b5237d8 [2022-11-21 23:12:51,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:12:51,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:12:51,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:12:51,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:12:51,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:12:51,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:12:51,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:12:51,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:12:51,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:12:51,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:12:51,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:12:51,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:12:51,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:12:51,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:12:51,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:12:51,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:12:51,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:12:51,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:12:51,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:12:51,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:12:51,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:12:51,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:12:51,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:12:51,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:12:51,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:12:51,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:12:51,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:12:51,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:12:51,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:12:51,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:12:51,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:12:51,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:12:51,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:12:51,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:12:51,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:12:51,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:12:51,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:12:51,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:12:51,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:12:51,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:12:51,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:12:51,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:12:51,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:12:51,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:12:51,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:12:51,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:12:51,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:12:51,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:12:51,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:12:51,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:12:51,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:12:51,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:12:51,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:12:51,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:12:51,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:12:51,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:12:51,799 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:12:51,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:12:51,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:12:51,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:12:51,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:12:51,801 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:12:51,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:12:51,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:12:51,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:12:51,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:12:51,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:12:51,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:12:51,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:12:51,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:12:51,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:12:51,803 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_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 [2022-11-21 23:12:52,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:12:52,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:12:52,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:12:52,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:12:52,080 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:12:52,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-21 23:12:55,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:12:55,492 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:12:55,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-21 23:12:55,505 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data/8c1cbec72/8a784d8156794230a3b65eb53d50fa39/FLAGd32a53bdd [2022-11-21 23:12:55,528 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data/8c1cbec72/8a784d8156794230a3b65eb53d50fa39 [2022-11-21 23:12:55,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:12:55,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:12:55,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:12:55,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:12:55,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:12:55,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da3d4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55, skipping insertion in model container [2022-11-21 23:12:55,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:12:55,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:12:55,747 WARN L237 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_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-21 23:12:55,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:12:55,762 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:12:55,784 WARN L237 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_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-21 23:12:55,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:12:55,810 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:12:55,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55 WrapperNode [2022-11-21 23:12:55,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:12:55,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:12:55,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:12:55,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:12:55,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,849 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2022-11-21 23:12:55,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:12:55,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:12:55,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:12:55,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:12:55,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:12:55,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:12:55,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:12:55,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:12:55,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:55" (1/1) ... [2022-11-21 23:12:55,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:12:55,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:12:55,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:12:55,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:12:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:12:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:12:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:12:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:12:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:12:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:12:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:12:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:12:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:12:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:12:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:12:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:12:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:12:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:12:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:12:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:12:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:12:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:12:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:12:55,996 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:12:56,098 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:12:56,099 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:12:56,412 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:12:56,748 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:12:56,754 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:12:56,755 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L54 is neither atomic block end nor a sink node. [2022-11-21 23:12:56,756 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) [2022-11-21 23:12:56,793 INFO L158 Benchmark]: Toolchain (without parser) took 1258.58ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 140.3MB in the end (delta: -181.5kB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-21 23:12:56,793 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:12:56,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.68ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 128.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:12:56,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 126.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:12:56,806 INFO L158 Benchmark]: Boogie Preprocessor took 55.89ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 124.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:12:56,807 INFO L158 Benchmark]: RCFGBuilder took 884.03ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 140.3MB in the end (delta: -15.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-21 23:12:56,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.68ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 128.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 126.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.89ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 124.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 884.03ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 140.3MB in the end (delta: -15.8MB). Peak memory consumption was 35.0MB. 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. [2022-11-21 23:12:56,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --- 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-b5237d8 [2022-11-21 23:12:59,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:12:59,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:12:59,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:12:59,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:12:59,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:12:59,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:12:59,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:12:59,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:12:59,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:12:59,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:12:59,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:12:59,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:12:59,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:12:59,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:12:59,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:12:59,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:12:59,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:12:59,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:12:59,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:12:59,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:12:59,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:12:59,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:12:59,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:12:59,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:12:59,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:12:59,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:12:59,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:12:59,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:12:59,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:12:59,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:12:59,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:12:59,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:12:59,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:12:59,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:12:59,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:12:59,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:12:59,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:12:59,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:12:59,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:12:59,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:12:59,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:12:59,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:12:59,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:12:59,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:12:59,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:12:59,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:12:59,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:12:59,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:12:59,515 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:12:59,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:12:59,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:12:59,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:12:59,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:12:59,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:12:59,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:12:59,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:12:59,517 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:12:59,518 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:12:59,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:12:59,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:12:59,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:12:59,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:12:59,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:12:59,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:12:59,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:12:59,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:12:59,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:12:59,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:12:59,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:12:59,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:12:59,521 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:12:59,521 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:12:59,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:12:59,522 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:12:59,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:12:59,522 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_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 [2022-11-21 23:12:59,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:12:59,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:12:59,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:12:59,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:12:59,972 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:12:59,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-21 23:13:03,322 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:13:03,572 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:13:03,573 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-21 23:13:03,580 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data/8e2976328/a42a564e8d164a95a0728d9db794ef62/FLAGb3cbc5286 [2022-11-21 23:13:03,603 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/data/8e2976328/a42a564e8d164a95a0728d9db794ef62 [2022-11-21 23:13:03,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:13:03,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:13:03,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:13:03,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:13:03,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:13:03,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:13:03" (1/1) ... [2022-11-21 23:13:03,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d345a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:03, skipping insertion in model container [2022-11-21 23:13:03,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:13:03" (1/1) ... [2022-11-21 23:13:03,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:13:03,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:13:03,913 WARN L237 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_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-21 23:13:03,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:03,948 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:13:03,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:13:03,984 WARN L237 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_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-21 23:13:03,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:04,004 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:13:04,046 WARN L237 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_06a16203-978a-44b3-94e4-7e3eb8737e41/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-21 23:13:04,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:04,067 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:13:04,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04 WrapperNode [2022-11-21 23:13:04,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:13:04,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:13:04,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:13:04,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:13:04,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,106 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-11-21 23:13:04,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:13:04,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:13:04,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:13:04,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:13:04,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:13:04,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:13:04,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:13:04,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:13:04,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:13:04,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:13:04,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:13:04,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:13:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:13:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:13:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:13:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:13:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:13:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:13:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:13:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:13:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:13:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:13:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:13:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:13:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:13:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:13:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:13:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:13:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:13:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:13:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:13:04,282 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:13:04,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:13:04,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:13:04,790 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:13:05,201 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:13:05,202 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:13:05,202 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L54 is neither atomic block end nor a sink node. [2022-11-21 23:13:05,203 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) [2022-11-21 23:13:05,210 INFO L158 Benchmark]: Toolchain (without parser) took 1601.19ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 44.5MB in the end (delta: 15.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-21 23:13:05,210 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:05,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.19ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 46.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:13:05,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.49ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 44.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:05,213 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:05,213 INFO L158 Benchmark]: RCFGBuilder took 1052.72ms. Allocated memory is still 81.8MB. Free memory was 42.8MB in the beginning and 44.5MB in the end (delta: -1.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-11-21 23:13:05,221 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 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.19ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 46.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.49ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 44.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1052.72ms. Allocated memory is still 81.8MB. Free memory was 42.8MB in the beginning and 44.5MB in the end (delta: -1.8MB). Peak memory consumption was 13.6MB. 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. [2022-11-21 23:13:05,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a16203-978a-44b3-94e4-7e3eb8737e41/bin/ukojak-jW3SillKbg/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?