./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/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_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh --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 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-2329fc7 [2022-12-14 05:08:22,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:08:22,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:08:22,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:08:22,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:08:22,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:08:22,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:08:22,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:08:22,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:08:22,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:08:22,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:08:22,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:08:22,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:08:22,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:08:22,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:08:22,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:08:22,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:08:22,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:08:22,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:08:22,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:08:22,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:08:22,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:08:22,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:08:22,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:08:22,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:08:22,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:08:22,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:08:22,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:08:22,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:08:22,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:08:22,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:08:22,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:08:22,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:08:22,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:08:22,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:08:22,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:08:22,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:08:22,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:08:22,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:08:22,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:08:22,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:08:22,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:08:22,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:08:22,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:08:22,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:08:22,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:08:22,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:08:22,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:08:22,707 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:08:22,708 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:08:22,708 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:08:22,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:08:22,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:08:22,708 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:08:22,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:08:22,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:08:22,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:08:22,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:08:22,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:08:22,711 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_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 [2022-12-14 05:08:22,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:08:22,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:08:22,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:08:22,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:08:22,888 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:08:22,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-12-14 05:08:25,476 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:08:25,672 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:08:25,672 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-12-14 05:08:25,683 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/data/8ca817703/9562a5b794cf4e89920ad3325c61c3bc/FLAG9f323586a [2022-12-14 05:08:25,693 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/data/8ca817703/9562a5b794cf4e89920ad3325c61c3bc [2022-12-14 05:08:25,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:08:25,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:08:25,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:08:25,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:08:25,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:08:25,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:08:25" (1/1) ... [2022-12-14 05:08:25,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515ab4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:25, skipping insertion in model container [2022-12-14 05:08:25,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:08:25" (1/1) ... [2022-12-14 05:08:25,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:08:25,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:08:25,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2022-12-14 05:08:26,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:08:26,018 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:08:26,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2022-12-14 05:08:26,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:08:26,081 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:08:26,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26 WrapperNode [2022-12-14 05:08:26,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:08:26,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:08:26,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:08:26,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:08:26,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,120 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-14 05:08:26,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:08:26,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:08:26,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:08:26,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:08:26,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:08:26,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:08:26,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:08:26,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:08:26,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (1/1) ... [2022-12-14 05:08:26,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:08:26,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:08:26,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:08:26,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:08:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:08:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:08:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 05:08:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:08:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:08:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 05:08:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 05:08:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:08:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:08:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:08:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:08:26,210 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 05:08:26,302 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:08:26,303 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:08:26,405 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:08:26,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:08:26,410 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:08:26,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:08:26 BoogieIcfgContainer [2022-12-14 05:08:26,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:08:26,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:08:26,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:08:26,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:08:26,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:08:25" (1/3) ... [2022-12-14 05:08:26,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9e8805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:08:26, skipping insertion in model container [2022-12-14 05:08:26,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:08:26" (2/3) ... [2022-12-14 05:08:26,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9e8805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:08:26, skipping insertion in model container [2022-12-14 05:08:26,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:08:26" (3/3) ... [2022-12-14 05:08:26,418 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-12-14 05:08:26,425 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 05:08:26,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:08:26,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:08:26,433 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 05:08:26,468 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 05:08:26,491 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:08:26,502 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 64 transitions, 136 flow [2022-12-14 05:08:26,504 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 64 transitions, 136 flow [2022-12-14 05:08:26,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2022-12-14 05:08:26,534 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-14 05:08:26,534 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 05:08:26,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-12-14 05:08:26,538 INFO L119 LiptonReduction]: Number of co-enabled transitions 288 [2022-12-14 05:08:28,361 INFO L134 LiptonReduction]: Checked pairs total: 402 [2022-12-14 05:08:28,361 INFO L136 LiptonReduction]: Total number of compositions: 63 [2022-12-14 05:08:28,368 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 10 transitions, 28 flow [2022-12-14 05:08:28,376 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-12-14 05:08:28,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:08:28,392 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;@1666a622, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:08:28,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 05:08:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-12-14 05:08:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 05:08:28,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:28,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 05:08:28,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:08:28,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:28,402 INFO L85 PathProgramCache]: Analyzing trace with hash 251264, now seen corresponding path program 1 times [2022-12-14 05:08:28,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:28,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282161067] [2022-12-14 05:08:28,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:28,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:08:28,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:08:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:08:28,518 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:08:28,519 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:08:28,520 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-14 05:08:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-14 05:08:28,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-14 05:08:28,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:08:28,523 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 05:08:28,528 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 05:08:28,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:08:28,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:08:28 BasicIcfg [2022-12-14 05:08:28,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:08:28,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:08:28,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:08:28,538 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:08:28,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:08:26" (3/4) ... [2022-12-14 05:08:28,540 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 05:08:28,562 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:08:28,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:08:28,563 INFO L158 Benchmark]: Toolchain (without parser) took 2867.17ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 141.0MB in the beginning and 112.9MB in the end (delta: 28.0MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,564 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:08:28,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.32ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 121.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.94ms. Allocated memory is still 172.0MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,565 INFO L158 Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 172.0MB. Free memory was 119.7MB in the beginning and 118.9MB in the end (delta: 853.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,565 INFO L158 Benchmark]: RCFGBuilder took 267.52ms. Allocated memory is still 172.0MB. Free memory was 118.9MB in the beginning and 106.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,566 INFO L158 Benchmark]: TraceAbstraction took 2124.46ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 105.6MB in the beginning and 115.0MB in the end (delta: -9.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,566 INFO L158 Benchmark]: Witness Printer took 24.35ms. Allocated memory is still 207.6MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:08:28,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.32ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 121.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.94ms. Allocated memory is still 172.0MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.84ms. Allocated memory is still 172.0MB. Free memory was 119.7MB in the beginning and 118.9MB in the end (delta: 853.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.52ms. Allocated memory is still 172.0MB. Free memory was 118.9MB in the beginning and 106.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2124.46ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 105.6MB in the beginning and 115.0MB in the end (delta: -9.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Witness Printer took 24.35ms. Allocated memory is still 207.6MB. Free memory was 115.0MB in the beginning and 112.9MB 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: 1.9s, 66 PlacesBefore, 14 PlacesAfterwards, 64 TransitionsBefore, 10 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 329, independent: 299, independent conditional: 0, independent unconditional: 299, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, independent: 226, independent conditional: 0, independent unconditional: 226, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 329, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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 glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2022-12-14 05:08:28,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a41673e0-cb2a-47ce-8dc6-c01a3c793b2b/bin/utaipan-gh47qXpMRh/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