./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- 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-dbf71c6-m [2022-10-17 17:36:35,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:36:35,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:36:35,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:36:35,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:36:35,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:36:35,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:36:35,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:36:35,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:36:35,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:36:35,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:36:35,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:36:35,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:36:35,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:36:35,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:36:35,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:36:35,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:36:35,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:36:35,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:36:35,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:36:35,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:36:35,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:36:35,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:36:35,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:36:35,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:36:35,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:36:35,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:36:35,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:36:35,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:36:35,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:36:35,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:36:35,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:36:35,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:36:35,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:36:35,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:36:35,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:36:35,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:36:35,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:36:35,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:36:35,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:36:35,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:36:35,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:36:35,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:36:35,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:36:35,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:36:35,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:36:35,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:36:35,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:36:35,713 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:36:35,713 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:36:35,713 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:36:35,714 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:36:35,715 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:36:35,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:36:35,715 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:36:35,715 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:36:35,715 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:36:35,716 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:36:35,716 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:36:35,716 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:36:35,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:36:35,717 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:36:35,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:36:35,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:36:35,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:36:35,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:36:35,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:36:35,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:36:35,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:36:35,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:36:35,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:36:35,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:36:35,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:36:35,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:36:35,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:36:35,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:36:35,720 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:36:35,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:36:35,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:36:35,721 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:36:35,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:36:35,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:36:35,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:36:35,722 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_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2022-10-17 17:36:36,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:36:36,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:36:36,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:36:36,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:36:36,065 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:36:36,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-10-17 17:36:36,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/data/f6e604130/8d7606cc863b409583df8ddeaed34fe3/FLAGb66c9d853 [2022-10-17 17:36:36,767 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:36:36,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-10-17 17:36:36,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/data/f6e604130/8d7606cc863b409583df8ddeaed34fe3/FLAGb66c9d853 [2022-10-17 17:36:37,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/data/f6e604130/8d7606cc863b409583df8ddeaed34fe3 [2022-10-17 17:36:37,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:36:37,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:36:37,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:36:37,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:36:37,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:36:37,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe573ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37, skipping insertion in model container [2022-10-17 17:36:37,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:36:37,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:36:37,335 WARN L230 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_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-10-17 17:36:37,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:36:37,564 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:36:37,578 WARN L230 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_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-10-17 17:36:37,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:36:37,682 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:36:37,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37 WrapperNode [2022-10-17 17:36:37,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:36:37,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:36:37,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:36:37,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:36:37,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,752 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-10-17 17:36:37,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:36:37,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:36:37,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:36:37,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:36:37,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:36:37,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:36:37,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:36:37,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:36:37,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (1/1) ... [2022-10-17 17:36:37,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:36:37,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:36:37,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:36:37,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:36:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 17:36:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:36:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:36:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:36:37,871 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:36:38,038 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:36:38,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:36:38,222 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:36:38,230 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:36:38,230 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:36:38,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:36:38 BoogieIcfgContainer [2022-10-17 17:36:38,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:36:38,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:36:38,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:36:38,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:36:38,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:36:37" (1/3) ... [2022-10-17 17:36:38,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b80f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:36:38, skipping insertion in model container [2022-10-17 17:36:38,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:37" (2/3) ... [2022-10-17 17:36:38,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b80f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:36:38, skipping insertion in model container [2022-10-17 17:36:38,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:36:38" (3/3) ... [2022-10-17 17:36:38,242 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-10-17 17:36:38,251 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 17:36:38,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:36:38,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:36:38,262 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 17:36:38,329 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 17:36:38,400 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-10-17 17:36:38,417 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 78 transitions, 161 flow [2022-10-17 17:36:38,425 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 78 transitions, 161 flow [2022-10-17 17:36:38,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 161 flow [2022-10-17 17:36:38,501 INFO L130 PetriNetUnfolder]: 2/77 cut-off events. [2022-10-17 17:36:38,502 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 17:36:38,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2022-10-17 17:36:38,510 INFO L118 LiptonReduction]: Number of co-enabled transitions 620 [2022-10-17 17:36:41,833 INFO L133 LiptonReduction]: Checked pairs total: 1679 [2022-10-17 17:36:41,834 INFO L135 LiptonReduction]: Total number of compositions: 68 [2022-10-17 17:36:41,843 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 18 transitions, 41 flow [2022-10-17 17:36:41,865 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 17:36:41,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:36:41,897 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ec780cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:36:41,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 17:36:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 17:36:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:36:41,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:36:41,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-17 17:36:41,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-10-17 17:36:41,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:36:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash -547555473, now seen corresponding path program 1 times [2022-10-17 17:36:41,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:36:41,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120620562] [2022-10-17 17:36:41,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:36:41,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:36:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:36:42,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:36:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:36:42,166 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-10-17 17:36:42,168 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 17:36:42,169 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-10-17 17:36:42,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-10-17 17:36:42,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:36:42,180 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-17 17:36:42,186 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 17:36:42,187 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 17:36:42,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 05:36:42 BasicIcfg [2022-10-17 17:36:42,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 17:36:42,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:36:42,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:36:42,218 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:36:42,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:36:38" (3/4) ... [2022-10-17 17:36:42,220 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:36:42,292 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/witness.graphml [2022-10-17 17:36:42,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:36:42,293 INFO L158 Benchmark]: Toolchain (without parser) took 5252.39ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 60.9MB in the end (delta: -4.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-10-17 17:36:42,294 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:36:42,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.08ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 50.0MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:36:42,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.49ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:36:42,295 INFO L158 Benchmark]: Boogie Preprocessor took 33.54ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 46.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:36:42,296 INFO L158 Benchmark]: RCFGBuilder took 445.92ms. Allocated memory is still 86.0MB. Free memory was 46.4MB in the beginning and 33.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:36:42,296 INFO L158 Benchmark]: TraceAbstraction took 3981.44ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 33.1MB in the beginning and 63.0MB in the end (delta: -29.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:36:42,301 INFO L158 Benchmark]: Witness Printer took 74.74ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:36:42,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.08ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 50.0MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.49ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.54ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 46.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.92ms. Allocated memory is still 86.0MB. Free memory was 46.4MB in the beginning and 33.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3981.44ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 33.1MB in the beginning and 63.0MB in the end (delta: -29.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.74ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 60.9MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 80 PlacesBefore, 21 PlacesAfterwards, 78 TransitionsBefore, 18 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 1679 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 867, positive: 719, positive conditional: 0, positive unconditional: 719, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 452, positive: 409, positive conditional: 0, positive unconditional: 409, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 452, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 168, negative conditional: 0, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 867, positive: 310, positive conditional: 0, positive unconditional: 310, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 452, unknown conditional: 0, unknown unconditional: 452] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L694] 0 int r = __VERIFIER_nondet_int(); [L695] 0 int t; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:36:42,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9f872-4d26-4ad5-b18d-0d621b1d331a/bin/utaipan-G1rejxKTta/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE