./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS --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 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 --- 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-8393723 [2022-11-19 07:17:39,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:17:39,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:17:39,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:17:39,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:17:39,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:17:39,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:17:39,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:17:39,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:17:39,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:17:39,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:17:39,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:17:39,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:17:39,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:17:39,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:17:39,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:17:39,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:17:39,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:17:39,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:17:39,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:17:39,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:17:39,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:17:39,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:17:39,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:17:39,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:17:39,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:17:39,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:17:39,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:17:39,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:17:39,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:17:39,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:17:39,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:17:39,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:17:39,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:17:39,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:17:39,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:17:39,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:17:39,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:17:39,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:17:39,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:17:39,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:17:39,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:17:39,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:17:39,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:17:39,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:17:39,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:17:39,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:17:39,874 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:17:39,874 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:17:39,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:17:39,879 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:17:39,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:17:39,880 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:17:39,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:17:39,880 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:17:39,880 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:17:39,880 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:17:39,881 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:17:39,881 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:17:39,881 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:17:39,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:17:39,882 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:17:39,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:17:39,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:17:39,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:17:39,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:17:39,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:17:39,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:17:39,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:17:39,884 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:17:39,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:17:39,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:17:39,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:17:39,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:17:39,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:17:39,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:17:39,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:17:39,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:17:39,886 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:17:39,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:17:39,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:17:39,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:17:39,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:17:39,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:17:39,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:17:39,887 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_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 [2022-11-19 07:17:40,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:17:40,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:17:40,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:17:40,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:17:40,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:17:40,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-11-19 07:17:40,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/data/8b5a00fa2/acb31e7d144042cfa0ed1cad199e335c/FLAGafba2d4dd [2022-11-19 07:17:40,863 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:17:40,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-11-19 07:17:40,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/data/8b5a00fa2/acb31e7d144042cfa0ed1cad199e335c/FLAGafba2d4dd [2022-11-19 07:17:41,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/data/8b5a00fa2/acb31e7d144042cfa0ed1cad199e335c [2022-11-19 07:17:41,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:17:41,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:17:41,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:17:41,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:17:41,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:17:41,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75747ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41, skipping insertion in model container [2022-11-19 07:17:41,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:17:41,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:17:41,465 WARN L234 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_96390d26-f5dc-4843-83f8-d5758166af59/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2022-11-19 07:17:41,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:17:41,634 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:17:41,650 WARN L234 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_96390d26-f5dc-4843-83f8-d5758166af59/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2022-11-19 07:17:41,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:17:41,741 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:17:41,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41 WrapperNode [2022-11-19 07:17:41,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:17:41,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:17:41,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:17:41,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:17:41,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,810 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-19 07:17:41,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:17:41,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:17:41,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:17:41,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:17:41,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:17:41,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:17:41,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:17:41,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:17:41,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (1/1) ... [2022-11-19 07:17:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:17:41,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:17:41,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:17:41,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:17:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:17:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:17:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:17:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:17:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:17:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 07:17:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 07:17:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:17:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:17:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:17:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:17:41,983 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:17:42,183 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:17:42,185 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:17:42,389 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:17:42,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:17:42,406 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:17:42,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:17:42 BoogieIcfgContainer [2022-11-19 07:17:42,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:17:42,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:17:42,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:17:42,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:17:42,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:17:41" (1/3) ... [2022-11-19 07:17:42,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4349c013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:17:42, skipping insertion in model container [2022-11-19 07:17:42,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:17:41" (2/3) ... [2022-11-19 07:17:42,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4349c013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:17:42, skipping insertion in model container [2022-11-19 07:17:42,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:17:42" (3/3) ... [2022-11-19 07:17:42,434 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-11-19 07:17:42,444 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:17:42,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:17:42,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 07:17:42,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4349c013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:17:42, skipping insertion in model container [2022-11-19 07:17:42,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:17:42,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:17:42,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:17:42,485 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:17:42,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:17:42" (3/3) ... [2022-11-19 07:17:42,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:17:42,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 07:17:42,540 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-19 07:17:42,541 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:17:42,541 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:17:42,542 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:17:42,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:17:42,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:17:42,606 INFO L158 Benchmark]: Toolchain (without parser) took 1467.50ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 49.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-19 07:17:42,607 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:17:42,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.77ms. Allocated memory is still 102.8MB. Free memory was 61.4MB in the beginning and 69.5MB in the end (delta: -8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:17:42,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.83ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:17:42,608 INFO L158 Benchmark]: Boogie Preprocessor took 58.14ms. Allocated memory is still 102.8MB. Free memory was 67.4MB in the beginning and 66.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:17:42,609 INFO L158 Benchmark]: RCFGBuilder took 538.33ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 53.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:17:42,609 INFO L158 Benchmark]: TraceAbstraction took 72.55ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 51.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:17:42,610 INFO L158 Benchmark]: Witness Printer took 120.26ms. Allocated memory is still 102.8MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:17:42,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.77ms. Allocated memory is still 102.8MB. Free memory was 61.4MB in the beginning and 69.5MB in the end (delta: -8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.83ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.14ms. Allocated memory is still 102.8MB. Free memory was 67.4MB in the beginning and 66.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.33ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 53.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 72.55ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 51.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 120.26ms. Allocated memory is still 102.8MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). 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! [2022-11-19 07:17:42,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96390d26-f5dc-4843-83f8-d5758166af59/bin/utaipan-I9t0OCRTmS/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