./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-easy7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-easy7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6 --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 --- 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-e04fb08 [2022-11-16 01:42:43,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 01:42:43,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 01:42:43,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 01:42:43,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 01:42:43,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 01:42:43,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 01:42:43,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 01:42:43,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 01:42:43,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 01:42:43,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 01:42:43,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 01:42:43,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 01:42:43,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 01:42:43,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 01:42:43,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 01:42:43,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 01:42:43,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 01:42:43,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 01:42:43,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 01:42:43,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 01:42:43,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 01:42:43,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 01:42:43,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 01:42:43,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 01:42:43,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 01:42:43,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 01:42:43,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 01:42:43,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 01:42:43,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 01:42:43,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 01:42:43,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 01:42:43,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 01:42:43,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 01:42:43,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 01:42:43,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 01:42:43,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 01:42:43,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 01:42:43,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 01:42:43,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 01:42:43,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 01:42:43,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-16 01:42:44,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 01:42:44,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 01:42:44,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 01:42:44,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 01:42:44,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 01:42:44,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 01:42:44,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 01:42:44,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 01:42:44,022 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 01:42:44,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 01:42:44,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 01:42:44,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 01:42:44,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 01:42:44,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 01:42:44,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 01:42:44,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 01:42:44,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 01:42:44,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 01:42:44,025 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 01:42:44,025 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 01:42:44,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 01:42:44,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 01:42:44,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 01:42:44,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 01:42:44,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 01:42:44,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 01:42:44,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 01:42:44,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:42:44,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 01:42:44,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 01:42:44,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 01:42:44,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 01:42:44,029 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-16 01:42:44,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 01:42:44,030 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 01:42:44,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 01:42:44,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 01:42:44,034 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 01:42:44,034 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 01:42:44,034 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_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 [2022-11-16 01:42:44,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 01:42:44,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 01:42:44,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 01:42:44,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 01:42:44,337 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 01:42:44,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/weaver/test-easy7.wvr.c [2022-11-16 01:42:44,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/data/8b3b149fa/2a8817ce08114624a1a42b7f909a89e6/FLAG09d262a23 [2022-11-16 01:42:44,960 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 01:42:44,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/sv-benchmarks/c/weaver/test-easy7.wvr.c [2022-11-16 01:42:44,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/data/8b3b149fa/2a8817ce08114624a1a42b7f909a89e6/FLAG09d262a23 [2022-11-16 01:42:45,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/data/8b3b149fa/2a8817ce08114624a1a42b7f909a89e6 [2022-11-16 01:42:45,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 01:42:45,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 01:42:45,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 01:42:45,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 01:42:45,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 01:42:45,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d741a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45, skipping insertion in model container [2022-11-16 01:42:45,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 01:42:45,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 01:42:45,635 WARN L229 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_bd50007c-27c6-446e-99e7-b3a8674014ec/sv-benchmarks/c/weaver/test-easy7.wvr.c[1872,1885] [2022-11-16 01:42:45,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:42:45,648 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 01:42:45,686 WARN L229 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_bd50007c-27c6-446e-99e7-b3a8674014ec/sv-benchmarks/c/weaver/test-easy7.wvr.c[1872,1885] [2022-11-16 01:42:45,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:42:45,711 INFO L208 MainTranslator]: Completed translation [2022-11-16 01:42:45,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45 WrapperNode [2022-11-16 01:42:45,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 01:42:45,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 01:42:45,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 01:42:45,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 01:42:45,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,759 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-16 01:42:45,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 01:42:45,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 01:42:45,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 01:42:45,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 01:42:45,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,805 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 01:42:45,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 01:42:45,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 01:42:45,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 01:42:45,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (1/1) ... [2022-11-16 01:42:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:42:45,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:42:45,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 01:42:45,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 01:42:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 01:42:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 01:42:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 01:42:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 01:42:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 01:42:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 01:42:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 01:42:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 01:42:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 01:42:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 01:42:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 01:42:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 01:42:45,912 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 01:42:46,047 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 01:42:46,049 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 01:42:46,265 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 01:42:46,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 01:42:46,274 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 01:42:46,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:42:46 BoogieIcfgContainer [2022-11-16 01:42:46,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 01:42:46,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 01:42:46,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 01:42:46,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 01:42:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:42:45" (1/3) ... [2022-11-16 01:42:46,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394114a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:42:46, skipping insertion in model container [2022-11-16 01:42:46,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:42:45" (2/3) ... [2022-11-16 01:42:46,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394114a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:42:46, skipping insertion in model container [2022-11-16 01:42:46,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:42:46" (3/3) ... [2022-11-16 01:42:46,287 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2022-11-16 01:42:46,297 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 01:42:46,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 01:42:46,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 01:42:46,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394114a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 01:42:46, skipping insertion in model container [2022-11-16 01:42:46,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 01:42:46,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 01:42:46,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 01:42:46,312 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 01:42:46,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:42:46" (3/3) ... [2022-11-16 01:42:46,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 01:42:46,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 01:42:46,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 01:42:46,330 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 01:42:46,330 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 01:42:46,330 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 01:42:46,331 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 01:42:46,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/witness.graphml [2022-11-16 01:42:46,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 01:42:46,380 INFO L158 Benchmark]: Toolchain (without parser) took 1043.29ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 54.0MB in the end (delta: 21.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,381 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 01:42:46,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.01ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,384 INFO L158 Benchmark]: Boogie Preprocessor took 49.31ms. Allocated memory is still 100.7MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,384 INFO L158 Benchmark]: RCFGBuilder took 466.83ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 59.4MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,385 INFO L158 Benchmark]: TraceAbstraction took 31.60ms. Allocated memory is still 100.7MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,386 INFO L158 Benchmark]: Witness Printer took 66.77ms. Allocated memory is still 100.7MB. Free memory was 56.6MB in the beginning and 54.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 01:42:46,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.01ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.31ms. Allocated memory is still 100.7MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.83ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 59.4MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 31.60ms. Allocated memory is still 100.7MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 66.77ms. Allocated memory is still 100.7MB. Free memory was 56.6MB in the beginning and 54.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-16 01:42:46,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd50007c-27c6-446e-99e7-b3a8674014ec/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE