./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/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_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:04:13,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:04:13,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:04:13,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:04:13,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:04:13,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:04:13,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:04:13,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:04:13,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:04:13,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:04:13,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:04:13,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:04:13,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:04:13,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:04:13,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:04:13,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:04:13,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:04:13,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:04:13,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:04:13,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:04:13,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:04:13,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:04:13,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:04:13,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:04:13,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:04:13,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:04:13,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:04:13,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:04:13,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:04:13,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:04:13,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:04:13,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:04:13,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:04:13,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:04:13,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:04:13,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:04:13,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:04:13,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:04:13,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:04:13,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:04:13,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:04:13,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:04:13,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:04:13,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:04:13,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:04:13,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:04:13,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:04:13,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:04:13,171 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:04:13,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:04:13,171 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:04:13,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:04:13,172 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:04:13,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:04:13,173 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:04:13,173 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:04:13,173 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:04:13,173 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:04:13,173 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:04:13,174 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:04:13,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:04:13,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:04:13,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:04:13,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:04:13,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:04:13,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:04:13,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:04:13,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:04:13,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:04:13,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:04:13,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:04:13,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:04:13,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:04:13,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:04:13,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:04:13,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:04:13,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:04:13,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:04:13,179 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:04:13,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:04:13,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:04:13,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:04:13,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:04:13,180 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 [2021-11-21 01:04:13,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:04:13,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:04:13,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:04:13,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:04:13,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:04:13,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2021-11-21 01:04:13,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/data/4292623c4/f287e5e5cb3445e280562adb3432b3b8/FLAG0df7d074e [2021-11-21 01:04:14,151 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:04:14,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2021-11-21 01:04:14,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/data/4292623c4/f287e5e5cb3445e280562adb3432b3b8/FLAG0df7d074e [2021-11-21 01:04:14,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/data/4292623c4/f287e5e5cb3445e280562adb3432b3b8 [2021-11-21 01:04:14,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:04:14,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:04:14,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:04:14,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:04:14,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:04:14,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:14,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40992967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14, skipping insertion in model container [2021-11-21 01:04:14,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:14,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:04:14,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:04:14,693 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_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2021-11-21 01:04:14,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:04:14,846 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:04:14,861 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_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2021-11-21 01:04:14,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:04:14,973 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:04:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14 WrapperNode [2021-11-21 01:04:14,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:04:14,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:04:14,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:04:14,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:04:14,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,050 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-11-21 01:04:15,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:04:15,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:04:15,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:04:15,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:04:15,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:04:15,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:04:15,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:04:15,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:04:15,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (1/1) ... [2021-11-21 01:04:15,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:04:15,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:04:15,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:04:15,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-21 01:04:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:04:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:04:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:04:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:04:15,187 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 01:04:15,334 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:04:15,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:04:15,543 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:04:15,555 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:04:15,555 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:04:15,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:04:15 BoogieIcfgContainer [2021-11-21 01:04:15,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:04:15,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:04:15,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:04:15,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:04:15,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:04:14" (1/3) ... [2021-11-21 01:04:15,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4e258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:04:15, skipping insertion in model container [2021-11-21 01:04:15,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:14" (2/3) ... [2021-11-21 01:04:15,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4e258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:04:15, skipping insertion in model container [2021-11-21 01:04:15,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:04:15" (3/3) ... [2021-11-21 01:04:15,566 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2021-11-21 01:04:15,576 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 01:04:15,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:04:15,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:04:15,577 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 01:04:15,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:04:15,633 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-21 01:04:15,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:04:15,686 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:04:15,687 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-21 01:04:15,700 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 01:04:15,714 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 64 transitions, 136 flow [2021-11-21 01:04:15,717 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 64 transitions, 136 flow [2021-11-21 01:04:15,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2021-11-21 01:04:15,757 INFO L129 PetriNetUnfolder]: 2/63 cut-off events. [2021-11-21 01:04:15,758 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-21 01:04:15,760 INFO L84 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. [2021-11-21 01:04:15,762 INFO L116 LiptonReduction]: Number of co-enabled transitions 288 [2021-11-21 01:04:18,596 INFO L131 LiptonReduction]: Checked pairs total: 364 [2021-11-21 01:04:18,596 INFO L133 LiptonReduction]: Total number of compositions: 66 [2021-11-21 01:04:18,610 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 10 transitions, 28 flow [2021-11-21 01:04:18,620 INFO L133 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) [2021-11-21 01:04:18,622 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) [2021-11-21 01:04:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:04:18,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:18,628 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:04:18,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:18,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:18,641 INFO L85 PathProgramCache]: Analyzing trace with hash 251266, now seen corresponding path program 1 times [2021-11-21 01:04:18,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:18,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376293551] [2021-11-21 01:04:18,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:18,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:04:18,787 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:04:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:04:18,871 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:04:18,873 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:04:18,874 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-21 01:04:18,879 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-21 01:04:18,879 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-21 01:04:18,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:04:18,882 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-21 01:04:18,887 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-21 01:04:18,887 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:04:18,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:04:18 BasicIcfg [2021-11-21 01:04:18,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:04:18,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:04:18,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:04:18,908 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:04:18,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:04:15" (3/4) ... [2021-11-21 01:04:18,910 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 01:04:18,943 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:04:18,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:04:18,945 INFO L158 Benchmark]: Toolchain (without parser) took 4511.30ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 74.7MB in the beginning and 79.9MB in the end (delta: -5.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,945 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:04:18,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.90ms. Allocated memory is still 111.1MB. Free memory was 74.5MB in the beginning and 78.6MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.02ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,947 INFO L158 Benchmark]: Boogie Preprocessor took 52.54ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 75.5MB in the end (delta: 994.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,948 INFO L158 Benchmark]: RCFGBuilder took 452.02ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 64.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,949 INFO L158 Benchmark]: TraceAbstraction took 3348.67ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 81.0MB in the end (delta: -17.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,949 INFO L158 Benchmark]: Witness Printer took 35.91ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:04:18,953 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 79.7MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.90ms. Allocated memory is still 111.1MB. Free memory was 74.5MB in the beginning and 78.6MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.02ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.54ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 75.5MB in the end (delta: 994.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.02ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 64.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3348.67ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 81.0MB in the end (delta: -17.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 35.91ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). 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: 2.9s, 66 PlacesBefore, 14 PlacesAfterwards, 64 TransitionsBefore, 10 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 322, positive: 296, positive conditional: 0, positive unconditional: 296, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 8, unknown conditional: 0, unknown unconditional: 8] ], Cache Queries: [ total: 322, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - 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: 3.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, PartialOrderReductionTime: 0.0s, 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, 0.1s 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! [2021-11-21 01:04:19,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9dbc68-c2d8-49f9-b2fa-25b1792583bb/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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