./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9 --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 a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:47:13,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:47:13,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:47:13,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:47:13,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:47:13,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:47:13,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:47:13,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:47:13,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:47:13,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:47:13,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:47:13,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:47:13,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:47:13,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:47:13,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:47:13,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:47:13,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:47:13,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:47:13,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:47:13,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:47:13,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:47:13,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:47:13,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:47:13,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:47:13,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:47:13,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:47:13,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:47:13,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:47:13,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:47:13,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:47:13,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:47:13,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:47:13,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:47:13,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:47:13,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:47:13,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:47:13,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:47:13,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:47:13,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:47:13,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:47:13,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:47:13,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 20:47:13,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:47:13,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:47:13,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:47:13,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:47:13,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:47:13,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:47:13,866 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:47:13,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:47:13,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:47:13,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:47:13,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:47:13,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:47:13,868 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:47:13,868 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:47:13,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:47:13,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:47:13,869 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:47:13,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:47:13,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:47:13,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:47:13,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:47:13,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:47:13,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:47:13,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:47:13,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:47:13,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:47:13,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:47:13,872 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:47:13,872 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:47:13,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:47:13,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:47:13,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:47:13,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:47:13,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:47:13,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:47:13,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:47:13,874 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:47:13,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:47:13,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:47:13,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:47:13,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:47:13,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:47:13,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:47:13,876 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_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3 [2022-11-20 20:47:14,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:47:14,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:47:14,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:47:14,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:47:14,196 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:47:14,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i [2022-11-20 20:47:17,234 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:47:17,508 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:47:17,509 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i [2022-11-20 20:47:17,528 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/data/e520f53c5/d88f55ef759d416fa63837e296209caa/FLAGb552d9b9c [2022-11-20 20:47:17,547 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/data/e520f53c5/d88f55ef759d416fa63837e296209caa [2022-11-20 20:47:17,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:47:17,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:47:17,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:47:17,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:47:17,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:47:17,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:47:17" (1/1) ... [2022-11-20 20:47:17,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289a6737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:17, skipping insertion in model container [2022-11-20 20:47:17,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:47:17" (1/1) ... [2022-11-20 20:47:17,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:47:17,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:47:18,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:47:18,094 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:47:18,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:47:18,183 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:47:18,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18 WrapperNode [2022-11-20 20:47:18,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:47:18,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:47:18,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:47:18,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:47:18,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,229 INFO L138 Inliner]: procedures = 260, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-11-20 20:47:18,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:47:18,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:47:18,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:47:18,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:47:18,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,251 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:47:18,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:47:18,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:47:18,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:47:18,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (1/1) ... [2022-11-20 20:47:18,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:47:18,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:47:18,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:47:18,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:47:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:47:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:47:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:47:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:47:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 20:47:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 20:47:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:47:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:47:18,352 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:47:18,551 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:47:18,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:47:18,681 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:47:18,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:47:18,693 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:47:18,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:47:18 BoogieIcfgContainer [2022-11-20 20:47:18,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:47:18,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:47:18,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:47:18,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:47:18,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:47:17" (1/3) ... [2022-11-20 20:47:18,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626c0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:47:18, skipping insertion in model container [2022-11-20 20:47:18,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:47:18" (2/3) ... [2022-11-20 20:47:18,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626c0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:47:18, skipping insertion in model container [2022-11-20 20:47:18,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:47:18" (3/3) ... [2022-11-20 20:47:18,707 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_18-glob_guards.i [2022-11-20 20:47:18,719 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 20:47:18,730 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:47:18,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 20:47:18,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626c0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:47:18, skipping insertion in model container [2022-11-20 20:47:18,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:47:18,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:47:18,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:47:18,734 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:47:18,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:47:18" (3/3) ... [2022-11-20 20:47:18,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:47:18,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-20 20:47:18,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 20:47:18,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 20:47:18,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 20:47:18,790 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:47:18,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:47:18,792 INFO L158 Benchmark]: Toolchain (without parser) took 1239.79ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 84.2MB in the end (delta: 47.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,793 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:47:18,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.92ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 105.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 176.2MB. Free memory was 105.2MB in the beginning and 103.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,795 INFO L158 Benchmark]: Boogie Preprocessor took 24.85ms. Allocated memory is still 176.2MB. Free memory was 103.0MB in the beginning and 101.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,795 INFO L158 Benchmark]: RCFGBuilder took 439.98ms. Allocated memory is still 176.2MB. Free memory was 101.5MB in the beginning and 89.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,796 INFO L158 Benchmark]: TraceAbstraction took 35.11ms. Allocated memory is still 176.2MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,797 INFO L158 Benchmark]: Witness Printer took 57.29ms. Allocated memory is still 176.2MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:47:18,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.92ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 105.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 176.2MB. Free memory was 105.2MB in the beginning and 103.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.85ms. Allocated memory is still 176.2MB. Free memory was 103.0MB in the beginning and 101.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.98ms. Allocated memory is still 176.2MB. Free memory was 101.5MB in the beginning and 89.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 35.11ms. Allocated memory is still 176.2MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 57.29ms. Allocated memory is still 176.2MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). 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! [2022-11-20 20:47:18,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e1235d-2201-4784-a2a6-9fd14ac06b75/bin/utaipan-6cKwYrpEi9/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