./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_p.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_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/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_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/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_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/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 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:52:16,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:52:16,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:52:16,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:52:16,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:52:16,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:52:16,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:52:16,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:52:16,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:52:16,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:52:16,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:52:16,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:52:16,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:52:16,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:52:16,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:52:16,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:52:16,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:52:16,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:52:16,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:52:16,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:52:16,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:52:16,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:52:16,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:52:16,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:52:16,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:52:16,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:52:16,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:52:16,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:52:16,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:52:16,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:52:16,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:52:16,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:52:16,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:52:16,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:52:16,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:52:16,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:52:16,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:52:16,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:52:16,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:52:16,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:52:16,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:52:16,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:52:16,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:52:16,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:52:16,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:52:16,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:52:16,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:52:16,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:52:16,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:52:16,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:52:16,200 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:52:16,200 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:52:16,201 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:52:16,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:52:16,202 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:52:16,202 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:52:16,202 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:52:16,203 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:52:16,203 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:52:16,203 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:52:16,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:52:16,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:52:16,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:52:16,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:52:16,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:52:16,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:52:16,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:52:16,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:52:16,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:52:16,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:52:16,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:52:16,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:52:16,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:52:16,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:52:16,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:52:16,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:52:16,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:52:16,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:52:16,210 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:52:16,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:52:16,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:52:16,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:52:16,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:52:16,211 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_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2021-11-20 23:52:16,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:52:16,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:52:16,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:52:16,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:52:16,529 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:52:16,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread/bigshot_p.i [2021-11-20 23:52:16,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/data/180d9c58c/8a2b18456a5f483bad56a91ee1fec6dd/FLAG09b99f51c [2021-11-20 23:52:17,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:52:17,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/sv-benchmarks/c/pthread/bigshot_p.i [2021-11-20 23:52:17,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/data/180d9c58c/8a2b18456a5f483bad56a91ee1fec6dd/FLAG09b99f51c [2021-11-20 23:52:17,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/data/180d9c58c/8a2b18456a5f483bad56a91ee1fec6dd [2021-11-20 23:52:17,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:52:17,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:52:17,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:52:17,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:52:17,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:52:17,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:17" (1/1) ... [2021-11-20 23:52:17,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c316279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:17, skipping insertion in model container [2021-11-20 23:52:17,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:17" (1/1) ... [2021-11-20 23:52:17,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:52:17,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:52:18,089 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_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2021-11-20 23:52:18,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:52:18,114 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:52:18,152 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_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2021-11-20 23:52:18,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:52:18,261 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:52:18,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18 WrapperNode [2021-11-20 23:52:18,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:52:18,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:52:18,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:52:18,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:52:18,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,347 INFO L137 Inliner]: procedures = 324, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2021-11-20 23:52:18,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:52:18,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:52:18,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:52:18,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:52:18,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:52:18,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:52:18,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:52:18,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:52:18,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (1/1) ... [2021-11-20 23:52:18,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:52:18,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:52:18,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:52:18,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:52:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:52:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:52:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:52:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:52:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-20 23:52:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-20 23:52:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-20 23:52:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-20 23:52:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:52:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:52:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:52:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:52:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:52:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:52:18,550 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 23:52:18,696 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:52:18,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:52:18,869 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:52:18,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:52:18,878 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 23:52:18,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:52:18 BoogieIcfgContainer [2021-11-20 23:52:18,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:52:18,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:52:18,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:52:18,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:52:18,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:52:17" (1/3) ... [2021-11-20 23:52:18,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314df829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:52:18, skipping insertion in model container [2021-11-20 23:52:18,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:18" (2/3) ... [2021-11-20 23:52:18,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314df829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:52:18, skipping insertion in model container [2021-11-20 23:52:18,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:52:18" (3/3) ... [2021-11-20 23:52:18,892 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2021-11-20 23:52:18,901 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 23:52:18,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:52:18,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:52:18,901 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 23:52:18,969 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,969 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,969 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,969 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,970 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,970 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,970 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,971 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,971 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,971 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,971 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,974 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,974 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,974 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,974 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,974 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,974 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,975 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,976 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,976 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,976 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,976 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,983 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,983 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,983 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,993 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:18,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,002 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,002 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,002 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,004 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,005 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,005 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,005 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,006 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,013 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,014 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,014 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,014 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,014 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,014 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,015 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,015 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,018 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,018 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,018 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,019 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,019 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,019 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,019 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,023 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,023 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,023 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,023 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,024 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,024 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,024 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:52:19,047 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-20 23:52:19,096 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:52:19,103 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 [2021-11-20 23:52:19,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 23:52:19,124 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-20 23:52:19,137 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 90 transitions, 196 flow [2021-11-20 23:52:19,140 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 90 transitions, 196 flow [2021-11-20 23:52:19,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 90 transitions, 196 flow [2021-11-20 23:52:19,191 INFO L129 PetriNetUnfolder]: 5/88 cut-off events. [2021-11-20 23:52:19,192 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 23:52:19,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 88 events. 5/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-11-20 23:52:19,198 INFO L116 LiptonReduction]: Number of co-enabled transitions 762 [2021-11-20 23:52:22,596 INFO L131 LiptonReduction]: Checked pairs total: 1214 [2021-11-20 23:52:22,597 INFO L133 LiptonReduction]: Total number of compositions: 86 [2021-11-20 23:52:22,606 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 58 flow [2021-11-20 23:52:22,618 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 49 states have (on average 2.3469387755102042) internal successors, (115), 49 states have internal predecessors, (115), 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) [2021-11-20 23:52:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 49 states have (on average 2.3469387755102042) internal successors, (115), 49 states have internal predecessors, (115), 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) [2021-11-20 23:52:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 23:52:22,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:52:22,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:52:22,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 23:52:22,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:52:22,630 INFO L85 PathProgramCache]: Analyzing trace with hash -521280293, now seen corresponding path program 1 times [2021-11-20 23:52:22,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:52:22,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297415280] [2021-11-20 23:52:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:52:22,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:52:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:52:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:52:22,898 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:52:22,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297415280] [2021-11-20 23:52:22,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297415280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:52:22,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:52:22,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:52:22,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119733067] [2021-11-20 23:52:22,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:52:22,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:52:22,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:52:22,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:52:22,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:52:22,934 INFO L87 Difference]: Start difference. First operand has 50 states, 49 states have (on average 2.3469387755102042) internal successors, (115), 49 states have internal predecessors, (115), 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) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-20 23:52:23,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:52:23,035 INFO L93 Difference]: Finished difference Result 50 states and 103 transitions. [2021-11-20 23:52:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:52:23,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12 [2021-11-20 23:52:23,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:52:23,046 INFO L225 Difference]: With dead ends: 50 [2021-11-20 23:52:23,046 INFO L226 Difference]: Without dead ends: 50 [2021-11-20 23:52:23,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:52:23,051 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 23 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:52:23,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 6 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:52:23,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-20 23:52:23,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-20 23:52:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 2.1020408163265305) internal successors, (103), 49 states have internal predecessors, (103), 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) [2021-11-20 23:52:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 103 transitions. [2021-11-20 23:52:23,088 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 103 transitions. Word has length 12 [2021-11-20 23:52:23,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:52:23,088 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 103 transitions. [2021-11-20 23:52:23,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-20 23:52:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 103 transitions. [2021-11-20 23:52:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 23:52:23,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:52:23,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:52:23,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:52:23,090 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 23:52:23,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:52:23,091 INFO L85 PathProgramCache]: Analyzing trace with hash -17130615, now seen corresponding path program 2 times [2021-11-20 23:52:23,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:52:23,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66056951] [2021-11-20 23:52:23,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:52:23,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:52:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:52:23,143 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:52:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:52:23,224 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:52:23,224 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:52:23,226 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-20 23:52:23,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-20 23:52:23,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-20 23:52:23,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:52:23,230 INFO L732 BasicCegarLoop]: Path program histogram: [2] [2021-11-20 23:52:23,234 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 23:52:23,234 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:52:23,247 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,248 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,248 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,253 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,253 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:52:23 BasicIcfg [2021-11-20 23:52:23,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:52:23,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:52:23,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:52:23,278 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:52:23,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:52:18" (3/4) ... [2021-11-20 23:52:23,280 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 23:52:23,289 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,289 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,289 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,289 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,290 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,290 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,290 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,290 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,291 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,291 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,291 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,291 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,292 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,292 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,292 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,292 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,293 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,293 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,293 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,293 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-20 23:52:23,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:52:23,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:52:23,333 INFO L158 Benchmark]: Toolchain (without parser) took 5858.40ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 71.3MB in the beginning and 87.8MB in the end (delta: -16.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,334 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 56.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:52:23,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.37ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 56.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.76ms. Allocated memory is still 104.9MB. Free memory was 56.7MB in the beginning and 54.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,335 INFO L158 Benchmark]: Boogie Preprocessor took 66.56ms. Allocated memory is still 104.9MB. Free memory was 54.4MB in the beginning and 52.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,336 INFO L158 Benchmark]: RCFGBuilder took 464.01ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 52.8MB in the beginning and 103.1MB in the end (delta: -50.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,337 INFO L158 Benchmark]: TraceAbstraction took 4395.63ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 92.0MB in the end (delta: 10.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,337 INFO L158 Benchmark]: Witness Printer took 54.08ms. Allocated memory is still 136.3MB. Free memory was 92.0MB in the beginning and 87.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 23:52:23,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 56.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.37ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 56.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.76ms. Allocated memory is still 104.9MB. Free memory was 56.7MB in the beginning and 54.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.56ms. Allocated memory is still 104.9MB. Free memory was 54.4MB in the beginning and 52.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.01ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 52.8MB in the beginning and 103.1MB in the end (delta: -50.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4395.63ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 92.0MB in the end (delta: 10.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 54.08ms. Allocated memory is still 136.3MB. Free memory was 92.0MB in the beginning and 87.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 92 PlacesBefore, 25 PlacesAfterwards, 90 TransitionsBefore, 21 TransitionsAfterwards, 762 CoEnabledTransitionPairs, 5 FixpointIterations, 43 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 86 TotalNumberOfCompositions, 1214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 869, positive: 803, positive conditional: 0, positive unconditional: 803, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 584, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 584, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 869, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 584, unknown conditional: 0, unknown unconditional: 584] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - 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: 1107]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [pthread_create(&t1, 0, thread1, 0)=-2, t1={7:0}, t2={9:0}, v={0:0}] [L1111] EXPR, FCALL 1 calloc(8, sizeof(char)) [L1123] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [pthread_create(&t2, 0, thread2, 0)=-1, t1={7:0}, t2={9:0}, v={0:0}] [L1124] 0 \read(t1) VAL [\read(t1)=-2, t1={7:0}, t2={9:0}, v={0:0}] [L1116] COND FALSE 2 !(\read(*v)) [L1117] 2 return 0; [L1111] 1 v = calloc(8, sizeof(char)) [L1112] 1 return 0; [L1124] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, t1={7:0}, t2={9:0}, v={5:0}] [L1125] 0 \read(t2) VAL [\read(t2)=-1, t1={7:0}, t2={9:0}, v={5:0}] [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, t1={7:0}, t2={9:0}, v={5:0}] [L1126] EXPR 0 !v || v[0] == 'B' [L1126] EXPR 0 v[0] [L1126] EXPR 0 !v || v[0] == 'B' [L1126] CALL 0 __VERIFIER_assert(!v || v[0] == 'B') [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() VAL [\old(expression)=0, expression=0, v={5:0}] - UnprovableResult [Line: 1122]: 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. - UnprovableResult [Line: 1123]: 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 5 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2021-11-20 23:52:23,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39aa02dd-ff32-47a2-8b08-5d01b830ca1d/bin/utaipan-TEXQjIfE4P/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