./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4 --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 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa --- 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-2329fc7 [2022-12-14 21:59:50,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:59:50,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:59:50,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:59:50,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:59:50,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:59:50,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:59:50,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:59:50,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:59:50,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:59:50,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:59:50,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:59:50,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:59:50,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:59:50,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:59:50,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:59:50,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:59:50,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:59:50,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:59:50,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:59:50,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:59:50,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:59:50,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:59:50,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:59:50,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:59:50,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:59:50,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:59:50,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:59:50,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:59:50,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:59:50,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:59:50,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:59:50,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:59:50,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:59:50,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:59:50,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:59:50,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:59:50,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:59:50,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:59:50,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:59:50,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:59:50,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:59:50,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:59:50,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:59:50,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:59:50,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:59:50,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:59:50,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:59:50,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:59:50,815 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:59:50,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:59:50,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:59:50,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:59:50,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:59:50,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:59:50,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:59:50,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:59:50,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:59:50,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:59:50,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:59:50,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:59:50,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:59:50,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:59:50,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:59:50,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:59:50,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:59:50,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:59:50,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:59:50,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:59:50,819 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:59:50,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:59:50,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:59:50,819 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_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa [2022-12-14 21:59:51,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:59:51,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:59:51,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:59:51,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:59:51,026 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:59:51,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-12-14 21:59:53,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:59:53,806 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:59:53,807 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-12-14 21:59:53,811 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data/c8d8e1f65/ee0b330d43fe491896a49ceffc5f6896/FLAG36e1537dd [2022-12-14 21:59:53,822 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data/c8d8e1f65/ee0b330d43fe491896a49ceffc5f6896 [2022-12-14 21:59:53,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:59:53,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:59:53,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:59:53,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:59:53,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:59:53,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:59:53" (1/1) ... [2022-12-14 21:59:53,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ce9250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:53, skipping insertion in model container [2022-12-14 21:59:53,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:59:53" (1/1) ... [2022-12-14 21:59:53,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:59:53,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:59:53,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:53,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:53,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:53,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:54,006 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_28c884db-6182-4560-bc83-8b616c64bd3a/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-12-14 21:59:54,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:59:54,020 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:59:54,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:54,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:54,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:54,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:54,040 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_28c884db-6182-4560-bc83-8b616c64bd3a/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-12-14 21:59:54,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:59:54,052 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:59:54,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54 WrapperNode [2022-12-14 21:59:54,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:59:54,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:59:54,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:59:54,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:59:54,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,078 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-12-14 21:59:54,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:59:54,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:59:54,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:59:54,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:59:54,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,094 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:59:54,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:59:54,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:59:54,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:59:54,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:54" (1/1) ... [2022-12-14 21:59:54,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:59:54,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:59:54,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:59:54,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:59:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-12-14 21:59:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-12-14 21:59:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:59:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 21:59:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 21:59:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 21:59:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 21:59:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 21:59:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:59:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:59:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:59:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:59:54,154 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 21:59:54,228 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:59:54,230 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:59:54,421 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:59:54,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:59:54,494 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 21:59:54,494 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L45 is neither atomic block end nor a sink node. [2022-12-14 21:59:54,495 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) [2022-12-14 21:59:54,498 INFO L158 Benchmark]: Toolchain (without parser) took 672.96ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 57.2MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 21:59:54,498 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:59:54,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.90ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 83.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:59:54,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.09ms. Allocated memory is still 125.8MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:59:54,500 INFO L158 Benchmark]: Boogie Preprocessor took 16.58ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:59:54,500 INFO L158 Benchmark]: RCFGBuilder took 400.54ms. Allocated memory is still 125.8MB. Free memory was 79.8MB in the beginning and 57.2MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 21:59:54,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.90ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 83.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.09ms. Allocated memory is still 125.8MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.58ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.54ms. Allocated memory is still 125.8MB. Free memory was 79.8MB in the beginning and 57.2MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. 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. [2022-12-14 21:59:54,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4 --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 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa --- 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-2329fc7 [2022-12-14 21:59:56,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:59:56,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:59:56,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:59:56,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:59:56,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:59:56,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:59:56,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:59:56,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:59:56,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:59:56,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:59:56,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:59:56,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:59:56,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:59:56,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:59:56,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:59:56,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:59:56,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:59:56,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:59:56,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:59:56,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:59:56,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:59:56,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:59:56,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:59:56,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:59:56,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:59:56,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:59:56,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:59:56,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:59:56,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:59:56,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:59:56,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:59:56,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:59:56,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:59:56,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:59:56,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:59:56,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:59:56,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:59:56,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:59:56,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:59:56,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:59:56,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 21:59:56,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:59:56,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:59:56,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:59:56,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:59:56,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:59:56,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:59:56,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:59:56,323 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:59:56,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:59:56,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:59:56,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:59:56,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:59:56,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:59:56,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:59:56,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:59:56,324 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:59:56,324 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:59:56,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:59:56,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:59:56,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:59:56,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:59:56,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:59:56,326 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:59:56,326 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:59:56,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:59:56,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:59:56,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:59:56,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:59:56,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:59:56,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:59:56,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:59:56,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:59:56,332 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:59:56,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:59:56,333 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_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa [2022-12-14 21:59:56,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:59:56,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:59:56,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:59:56,569 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:59:56,569 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:59:56,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-12-14 21:59:59,149 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:59:59,331 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:59:59,332 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-12-14 21:59:59,337 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data/85d77fcda/78898e66b0bf4f579fbcf78cb2c70cff/FLAG91027925b [2022-12-14 21:59:59,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/data/85d77fcda/78898e66b0bf4f579fbcf78cb2c70cff [2022-12-14 21:59:59,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:59:59,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:59:59,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:59:59,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:59:59,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:59:59,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3e699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59, skipping insertion in model container [2022-12-14 21:59:59,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:59:59,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:59:59,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:59,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:59,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:59,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:59,853 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_28c884db-6182-4560-bc83-8b616c64bd3a/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-12-14 21:59:59,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:59:59,869 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:59:59,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:59,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:59,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:59:59,884 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:59:59,888 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_28c884db-6182-4560-bc83-8b616c64bd3a/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-12-14 21:59:59,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:59:59,900 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:59:59,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59 WrapperNode [2022-12-14 21:59:59,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:59:59,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:59:59,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:59:59,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:59:59,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,926 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-12-14 21:59:59,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:59:59,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:59:59,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:59:59,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:59:59,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,948 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:59:59,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:59:59,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:59:59,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:59:59,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:59:59" (1/1) ... [2022-12-14 21:59:59,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:59:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:59:59,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:59:59,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:00:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-12-14 22:00:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-12-14 22:00:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:00:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 22:00:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 22:00:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 22:00:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 22:00:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 22:00:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:00:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:00:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:00:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 22:00:00,010 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 22:00:00,087 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:00:00,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:00:00,288 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:00:00,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:00:00,357 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 22:00:00,357 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L45 is neither atomic block end nor a sink node. [2022-12-14 22:00:00,358 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) [2022-12-14 22:00:00,361 INFO L158 Benchmark]: Toolchain (without parser) took 644.78ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-14 22:00:00,362 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:00,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.92ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 33.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:00:00,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.63ms. Allocated memory is still 67.1MB. Free memory was 33.1MB in the beginning and 31.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:00:00,363 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 47.8MB in the end (delta: -16.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-12-14 22:00:00,364 INFO L158 Benchmark]: RCFGBuilder took 406.33ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 43.9MB in the end (delta: 3.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 22:00:00,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.92ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 33.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.63ms. Allocated memory is still 67.1MB. Free memory was 33.1MB in the beginning and 31.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.25ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 47.8MB in the end (delta: -16.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 406.33ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 43.9MB in the end (delta: 3.9MB). Peak memory consumption was 23.1MB. 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. [2022-12-14 22:00:00,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c884db-6182-4560-bc83-8b616c64bd3a/bin/ukojak-rkRKPMF4O4/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?