./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 6b4ec56b 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_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 18:24:02,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:24:02,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:24:02,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:24:02,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:24:02,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:24:02,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:24:02,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:24:02,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:24:02,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:24:02,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:24:02,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:24:02,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:24:02,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:24:02,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:24:02,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:24:02,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:24:02,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:24:02,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:24:02,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:24:02,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:24:02,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:24:02,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:24:02,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:24:02,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:24:02,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:24:02,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:24:02,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:24:02,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:24:02,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:24:02,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:24:02,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:24:02,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:24:02,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:24:02,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:24:02,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:24:02,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:24:02,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:24:02,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:24:02,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:24:02,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:24:02,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:24:02,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:24:02,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:24:02,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:24:02,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:24:02,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:24:02,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:24:02,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:24:02,991 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:24:02,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:24:02,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:24:02,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:24:02,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:24:02,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:24:02,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:24:02,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:24:02,993 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:24:02,993 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:24:02,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:24:02,994 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:24:02,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:24:02,994 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:24:02,994 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:24:02,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:24:02,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:02,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:24:02,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:24:02,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:24:02,995 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:24:02,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:24:02,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:24:02,996 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_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa [2022-11-20 18:24:03,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:24:03,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:24:03,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:24:03,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:24:03,364 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:24:03,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-11-20 18:24:06,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:24:06,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:24:06,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-11-20 18:24:06,728 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data/9c7aa56d8/ccc2eae27d2349a9a350e9168c1018c8/FLAGc0c7b18e1 [2022-11-20 18:24:06,742 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data/9c7aa56d8/ccc2eae27d2349a9a350e9168c1018c8 [2022-11-20 18:24:06,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:24:06,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:24:06,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:06,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:24:06,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:24:06,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:06" (1/1) ... [2022-11-20 18:24:06,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c38927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:06, skipping insertion in model container [2022-11-20 18:24:06,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:06" (1/1) ... [2022-11-20 18:24:06,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:24:06,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:24:06,961 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_9f934795-9d03-444a-8041-6f6e7daf64cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-11-20 18:24:06,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:06,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:24:07,013 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_9f934795-9d03-444a-8041-6f6e7daf64cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-11-20 18:24:07,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:07,029 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:24:07,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07 WrapperNode [2022-11-20 18:24:07,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:07,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:07,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:24:07,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:24:07,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,064 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-11-20 18:24:07,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:07,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:24:07,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:24:07,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:24:07,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:24:07,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:24:07,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:24:07,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:24:07,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:07" (1/1) ... [2022-11-20 18:24:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:07,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:24:07,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:24:07,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:24:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-11-20 18:24:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-11-20 18:24:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:24:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:24:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:24:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:24:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:24:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:24:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:24:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:24:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:24:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:24:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:24:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:24:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:24:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:24:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:24:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:24:07,169 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:24:07,271 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:24:07,273 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:24:07,635 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:24:07,782 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:24:07,783 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:24:07,783 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L45 is neither atomic block end nor a sink node. [2022-11-20 18:24:07,784 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) [2022-11-20 18:24:07,789 INFO L158 Benchmark]: Toolchain (without parser) took 1042.45ms. Allocated memory is still 134.2MB. Free memory was 90.6MB in the beginning and 53.7MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-20 18:24:07,790 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 105.8MB in the end (delta: 85.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:24:07,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.03ms. Allocated memory is still 134.2MB. Free memory was 90.2MB in the beginning and 79.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:24:07,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 134.2MB. Free memory was 79.6MB in the beginning and 77.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:24:07,792 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 134.2MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:24:07,793 INFO L158 Benchmark]: RCFGBuilder took 693.14ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 53.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 18:24:07,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 105.8MB in the end (delta: 85.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.03ms. Allocated memory is still 134.2MB. Free memory was 90.2MB in the beginning and 79.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 134.2MB. Free memory was 79.6MB in the beginning and 77.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 134.2MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.14ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 53.7MB in the end (delta: 22.6MB). 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. [2022-11-20 18:24:07,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/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_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 18:24:10,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:24:10,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:24:10,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:24:10,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:24:10,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:24:10,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:24:10,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:24:10,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:24:10,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:24:10,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:24:10,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:24:10,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:24:10,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:24:10,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:24:10,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:24:10,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:24:10,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:24:10,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:24:10,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:24:10,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:24:10,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:24:10,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:24:10,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:24:10,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:24:10,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:24:10,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:24:10,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:24:10,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:24:10,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:24:10,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:24:10,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:24:10,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:24:10,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:24:10,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:24:10,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:24:10,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:24:10,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:24:10,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:24:10,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:24:10,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:24:10,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 18:24:10,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:24:10,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:24:10,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:24:10,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:24:10,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:24:10,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:24:10,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:24:10,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:24:10,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:24:10,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:24:10,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:24:10,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:24:10,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:24:10,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:24:10,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:24:10,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:24:10,459 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:24:10,459 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:24:10,459 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:24:10,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:24:10,459 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:24:10,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:24:10,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:24:10,460 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:24:10,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:24:10,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:10,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:24:10,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:24:10,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:24:10,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:24:10,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:24:10,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:24:10,462 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:24:10,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:24:10,463 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_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa [2022-11-20 18:24:10,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:24:10,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:24:10,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:24:10,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:24:10,835 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:24:10,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-11-20 18:24:14,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:24:14,195 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:24:14,195 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-11-20 18:24:14,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data/52252ea94/c39d07f9c39b406e915b434113e7e1d6/FLAGcb604d6e1 [2022-11-20 18:24:14,218 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/data/52252ea94/c39d07f9c39b406e915b434113e7e1d6 [2022-11-20 18:24:14,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:24:14,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:24:14,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:14,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:24:14,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:24:14,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db9374d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14, skipping insertion in model container [2022-11-20 18:24:14,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:24:14,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:24:14,446 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_9f934795-9d03-444a-8041-6f6e7daf64cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-11-20 18:24:14,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:14,464 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:24:14,486 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_9f934795-9d03-444a-8041-6f6e7daf64cd/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-11-20 18:24:14,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:14,504 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:24:14,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14 WrapperNode [2022-11-20 18:24:14,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:14,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:14,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:24:14,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:24:14,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,539 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-11-20 18:24:14,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:14,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:24:14,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:24:14,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:24:14,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:24:14,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:24:14,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:24:14,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:24:14,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14" (1/1) ... [2022-11-20 18:24:14,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:14,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:24:14,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:24:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:24:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-11-20 18:24:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-11-20 18:24:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:24:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:24:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:24:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:24:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:24:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:24:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:24:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:24:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:24:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:24:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:24:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:24:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:24:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:24:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:24:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:24:14,675 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:24:14,884 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:24:14,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:24:15,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:24:15,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:24:15,341 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:24:15,342 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L45 is neither atomic block end nor a sink node. [2022-11-20 18:24:15,343 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) [2022-11-20 18:24:15,354 INFO L158 Benchmark]: Toolchain (without parser) took 1131.14ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 40.7MB in the end (delta: -7.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-20 18:24:15,355 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 42.5MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:24:15,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.81ms. Allocated memory is still 65.0MB. Free memory was 33.3MB in the beginning and 37.3MB in the end (delta: -4.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-11-20 18:24:15,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.65ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 35.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:24:15,358 INFO L158 Benchmark]: Boogie Preprocessor took 44.54ms. Allocated memory is still 65.0MB. Free memory was 35.7MB in the beginning and 34.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:24:15,359 INFO L158 Benchmark]: RCFGBuilder took 766.65ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 41.0MB in the end (delta: -6.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-20 18:24:15,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 42.5MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.81ms. Allocated memory is still 65.0MB. Free memory was 33.3MB in the beginning and 37.3MB in the end (delta: -4.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.65ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 35.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.54ms. Allocated memory is still 65.0MB. Free memory was 35.7MB in the beginning and 34.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.65ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 41.0MB in the end (delta: -6.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:24:15,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934795-9d03-444a-8041-6f6e7daf64cd/bin/ukojak-pZX7IvK2PQ/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?