./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:13:07,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:13:07,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:13:07,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:13:07,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:13:07,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:13:07,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:13:07,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:13:07,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:13:07,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:13:07,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:13:07,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:13:07,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:13:07,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:13:07,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:13:07,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:13:07,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:13:07,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:13:07,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:13:07,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:13:07,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:13:07,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:13:07,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:13:07,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:13:07,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:13:07,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:13:07,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:13:07,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:13:07,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:13:07,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:13:07,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:13:07,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:13:07,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:13:07,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:13:07,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:13:07,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:13:07,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:13:07,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:13:07,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:13:07,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:13:07,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:13:07,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 00:13:07,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:13:07,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:13:07,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:13:07,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:13:07,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:13:07,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:13:07,812 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:13:07,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:13:07,812 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:13:07,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:13:07,813 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:13:07,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:13:07,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:13:07,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:13:07,813 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:13:07,814 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:13:07,814 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:13:07,819 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:13:07,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:13:07,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:13:07,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:13:07,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:13:07,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:13:07,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:13:07,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:13:07,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:13:07,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:13:07,823 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:13:07,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:13:07,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:13:07,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:13:07,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:13:07,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:13:07,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:13:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:07,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:13:07,826 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:13:07,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:13:07,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:13:07,827 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:13:07,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:13:07,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:13:07,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:13:07,828 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_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 [2022-11-22 00:13:08,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:13:08,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:13:08,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:13:08,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:13:08,120 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:13:08,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-11-22 00:13:11,344 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:13:11,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:13:11,602 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-11-22 00:13:11,629 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/data/ae2ad4c96/80047f43e44b46fb8222504205355c31/FLAGe04f32496 [2022-11-22 00:13:11,648 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/data/ae2ad4c96/80047f43e44b46fb8222504205355c31 [2022-11-22 00:13:11,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:13:11,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:13:11,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:11,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:13:11,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:13:11,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:11" (1/1) ... [2022-11-22 00:13:11,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c2910e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:11, skipping insertion in model container [2022-11-22 00:13:11,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:11" (1/1) ... [2022-11-22 00:13:11,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:13:11,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:13:11,895 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_fe5b6b97-a13c-464d-809a-6c9bcc925ede/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-11-22 00:13:12,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:13:12,170 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:13:12,185 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_fe5b6b97-a13c-464d-809a-6c9bcc925ede/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-11-22 00:13:12,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:13:12,287 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:13:12,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12 WrapperNode [2022-11-22 00:13:12,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:12,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:13:12,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:13:12,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:13:12,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,358 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-22 00:13:12,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:13:12,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:13:12,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:13:12,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:13:12,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,397 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:13:12,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:13:12,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:13:12,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:13:12,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (1/1) ... [2022-11-22 00:13:12,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:12,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:13:12,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:13:12,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:13:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:13:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:13:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 00:13:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:13:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:13:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-22 00:13:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-22 00:13:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:13:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:13:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:13:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:13:12,502 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:13:12,657 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:13:12,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:13:12,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:13:12,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:13:12,810 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:13:12,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:13:12 BoogieIcfgContainer [2022-11-22 00:13:12,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:13:12,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:13:12,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:13:12,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:13:12,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:13:11" (1/3) ... [2022-11-22 00:13:12,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e5b547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:13:12, skipping insertion in model container [2022-11-22 00:13:12,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:12" (2/3) ... [2022-11-22 00:13:12,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e5b547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:13:12, skipping insertion in model container [2022-11-22 00:13:12,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:13:12" (3/3) ... [2022-11-22 00:13:12,823 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-11-22 00:13:12,838 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:13:12,848 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:13:12,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-22 00:13:12,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e5b547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:13:12, skipping insertion in model container [2022-11-22 00:13:12,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:13:12,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:13:12,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:13:12,852 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:13:12,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:13:12" (3/3) ... [2022-11-22 00:13:12,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:13:12,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-22 00:13:12,868 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-22 00:13:12,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 00:13:12,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:13:12,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:13:12,905 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:13:12,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:13:12,907 INFO L158 Benchmark]: Toolchain (without parser) took 1254.22ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 57.3MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,907 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 142.6MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:12,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.46ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 77.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.70ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,909 INFO L158 Benchmark]: Boogie Preprocessor took 40.72ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 74.7MB in the end (delta: 994.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:12,910 INFO L158 Benchmark]: RCFGBuilder took 410.16ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 62.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,910 INFO L158 Benchmark]: TraceAbstraction took 35.24ms. Allocated memory is still 142.6MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,911 INFO L158 Benchmark]: Witness Printer took 53.89ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:13:12,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 142.6MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.46ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 77.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.70ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.72ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 74.7MB in the end (delta: 994.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.16ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 62.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35.24ms. Allocated memory is still 142.6MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 53.89ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). 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! [2022-11-22 00:13:12,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5b6b97-a13c-464d-809a-6c9bcc925ede/bin/utaipan-g80aRyZoba/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