./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan --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 543760201f2b15d8fe9ad1d3d91c3815dae7853a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan --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 543760201f2b15d8fe9ad1d3d91c3815dae7853a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:45:50,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:45:50,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:45:50,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:45:50,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:45:50,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:45:50,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:45:50,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:45:50,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:45:50,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:45:50,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:45:50,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:45:50,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:45:50,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:45:50,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:45:50,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:45:50,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:45:50,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:45:50,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:45:50,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:45:50,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:45:50,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:45:50,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:45:50,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:45:50,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:45:50,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:45:50,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:45:50,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:45:50,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:45:50,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:45:50,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:45:50,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:45:50,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:45:50,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:45:50,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:45:50,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:45:50,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:45:50,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:45:50,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:45:50,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:45:50,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:45:50,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:45:50,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:45:50,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:45:50,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:45:50,272 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:45:50,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:45:50,272 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:45:50,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:45:50,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:45:50,273 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:45:50,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:45:50,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:45:50,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:45:50,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:45:50,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:45:50,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:45:50,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:45:50,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:45:50,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:45:50,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:45:50,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:45:50,276 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-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 543760201f2b15d8fe9ad1d3d91c3815dae7853a [2020-12-09 10:45:50,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:45:50,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:45:50,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:45:50,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:45:50,478 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:45:50,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s2.i [2020-12-09 10:45:50,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/fb0f28a47/b8d708704fa842c895030ad04e978016/FLAGe53e32cc3 [2020-12-09 10:45:50,949 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:45:50,950 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/sv-benchmarks/c/pthread/bigshot_s2.i [2020-12-09 10:45:50,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/fb0f28a47/b8d708704fa842c895030ad04e978016/FLAGe53e32cc3 [2020-12-09 10:45:50,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/fb0f28a47/b8d708704fa842c895030ad04e978016 [2020-12-09 10:45:50,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:45:50,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:45:50,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:45:50,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:45:50,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:45:50,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:45:50" (1/1) ... [2020-12-09 10:45:50,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a7a279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:50, skipping insertion in model container [2020-12-09 10:45:50,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:45:50" (1/1) ... [2020-12-09 10:45:50,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:45:51,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:45:51,320 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2020-12-09 10:45:51,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:45:51,335 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:45:51,362 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2020-12-09 10:45:51,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:45:51,486 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:45:51,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51 WrapperNode [2020-12-09 10:45:51,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:45:51,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:45:51,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:45:51,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:45:51,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:45:51,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:45:51,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:45:51,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:45:51,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... [2020-12-09 10:45:51,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:45:51,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:45:51,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:45:51,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:45:51,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:45:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:45:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 10:45:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-09 10:45:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 10:45:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-09 10:45:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-09 10:45:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-09 10:45:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-09 10:45:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 10:45:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 10:45:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 10:45:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:45:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:45:51,600 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 10:45:51,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:45:51,850 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 10:45:51,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:51 BoogieIcfgContainer [2020-12-09 10:45:51,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:45:51,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:45:51,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:45:51,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:45:51,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:45:50" (1/3) ... [2020-12-09 10:45:51,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1952d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:45:51, skipping insertion in model container [2020-12-09 10:45:51,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:51" (2/3) ... [2020-12-09 10:45:51,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1952d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:45:51, skipping insertion in model container [2020-12-09 10:45:51,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:51" (3/3) ... [2020-12-09 10:45:51,859 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-12-09 10:45:51,873 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 10:45:51,873 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:45:51,876 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 10:45:51,876 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 10:45:51,908 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,908 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,908 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,908 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,909 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,909 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,913 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,913 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,913 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,913 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,921 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,921 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,921 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,921 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,921 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,921 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,922 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,922 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,922 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,922 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,922 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,922 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,923 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,923 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,923 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,923 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,923 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,924 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,924 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,924 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,926 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,927 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,931 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:51,939 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-09 10:45:51,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 10:45:51,965 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:45:51,966 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:45:51,966 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:45:51,966 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:45:51,966 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:45:51,966 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:45:51,966 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:45:51,966 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:45:51,977 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 10:45:51,979 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 70 transitions, 162 flow [2020-12-09 10:45:51,981 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 70 transitions, 162 flow [2020-12-09 10:45:51,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 70 transitions, 162 flow [2020-12-09 10:45:52,018 INFO L129 PetriNetUnfolder]: 4/66 cut-off events. [2020-12-09 10:45:52,018 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-09 10:45:52,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 4/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-12-09 10:45:52,023 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-12-09 10:45:53,890 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-12-09 10:45:54,212 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-12-09 10:45:54,314 INFO L131 LiptonReduction]: Checked pairs total: 165 [2020-12-09 10:45:54,315 INFO L133 LiptonReduction]: Total number of compositions: 65 [2020-12-09 10:45:54,318 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-12-09 10:45:54,323 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-12-09 10:45:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-09 10:45:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 10:45:54,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:45:54,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:45:54,328 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:45:54,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:45:54,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1075301719, now seen corresponding path program 1 times [2020-12-09 10:45:54,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:45:54,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552466115] [2020-12-09 10:45:54,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:45:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:45:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:45:54,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552466115] [2020-12-09 10:45:54,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:45:54,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:45:54,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268567538] [2020-12-09 10:45:54,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:45:54,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:45:54,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:45:54,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:45:54,486 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-12-09 10:45:54,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:45:54,505 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-12-09 10:45:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:45:54,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 10:45:54,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:45:54,511 INFO L225 Difference]: With dead ends: 19 [2020-12-09 10:45:54,511 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 10:45:54,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:45:54,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 10:45:54,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 10:45:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 10:45:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-09 10:45:54,533 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-12-09 10:45:54,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:45:54,533 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-09 10:45:54,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:45:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-09 10:45:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 10:45:54,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:45:54,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:45:54,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 10:45:54,534 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:45:54,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:45:54,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1024416466, now seen corresponding path program 1 times [2020-12-09 10:45:54,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:45:54,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809936216] [2020-12-09 10:45:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:45:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:45:54,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:45:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:45:54,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:45:54,596 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 10:45:54,596 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:45:54,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 10:45:54,608 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,609 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,609 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,609 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,612 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:45:54,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:45:54,613 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:45:54,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:45:54 BasicIcfg [2020-12-09 10:45:54,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:45:54,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:45:54,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:45:54,627 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:45:54,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:51" (3/4) ... [2020-12-09 10:45:54,630 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 10:45:54,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:45:54,631 INFO L168 Benchmark]: Toolchain (without parser) took 3654.49 ms. Allocated memory was 113.2 MB in the beginning and 151.0 MB in the end (delta: 37.7 MB). Free memory was 74.7 MB in the beginning and 83.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:45:54,631 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 113.2 MB. Free memory is still 93.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:45:54,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.48 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 74.4 MB in the end (delta: 86.0 kB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:45:54,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.41 ms. Allocated memory is still 113.2 MB. Free memory was 74.4 MB in the beginning and 72.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:45:54,632 INFO L168 Benchmark]: Boogie Preprocessor took 19.91 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 70.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:45:54,633 INFO L168 Benchmark]: RCFGBuilder took 310.89 ms. Allocated memory is still 113.2 MB. Free memory was 70.8 MB in the beginning and 48.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:45:54,633 INFO L168 Benchmark]: TraceAbstraction took 2772.99 ms. Allocated memory was 113.2 MB in the beginning and 151.0 MB in the end (delta: 37.7 MB). Free memory was 47.8 MB in the beginning and 84.7 MB in the end (delta: -36.9 MB). Peak memory consumption was 838.9 kB. Max. memory is 16.1 GB. [2020-12-09 10:45:54,634 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 151.0 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:45:54,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 113.2 MB. Free memory is still 93.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 509.48 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 74.4 MB in the end (delta: 86.0 kB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.41 ms. Allocated memory is still 113.2 MB. Free memory was 74.4 MB in the beginning and 72.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.91 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 70.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 310.89 ms. Allocated memory is still 113.2 MB. Free memory was 70.8 MB in the beginning and 48.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2772.99 ms. Allocated memory was 113.2 MB in the beginning and 151.0 MB in the end (delta: 37.7 MB). Free memory was 47.8 MB in the beginning and 84.7 MB in the end (delta: -36.9 MB). Peak memory consumption was 838.9 kB. Max. memory is 16.1 GB. * Witness Printer took 2.93 ms. Allocated memory is still 151.0 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 69 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 71 PlacesBefore, 24 PlacesAfterwards, 70 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 65 TotalNumberOfCompositions, 165 MoverChecksTotal - UnprovableResult [Line: 1107]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1123] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1124] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1117] 2 return 0; [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1126] 0 v[0] [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:45:56,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:45:56,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:45:56,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:45:56,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:45:56,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:45:56,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:45:56,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:45:56,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:45:56,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:45:56,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:45:56,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:45:56,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:45:56,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:45:56,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:45:56,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:45:56,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:45:56,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:45:56,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:45:56,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:45:56,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:45:56,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:45:56,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:45:56,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:45:56,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:45:56,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:45:56,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:45:56,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:45:56,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:45:56,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:45:56,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:45:56,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:45:56,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:45:56,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:45:56,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:45:56,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:45:56,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:45:56,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:45:56,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:45:56,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:45:56,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:45:56,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 10:45:56,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:45:56,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:45:56,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:45:56,280 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:45:56,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:45:56,281 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:45:56,281 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:45:56,281 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:45:56,281 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:45:56,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:45:56,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:45:56,283 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:45:56,283 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:45:56,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:45:56,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:45:56,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:45:56,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:45:56,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:45:56,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:45:56,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:45:56,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:45:56,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:45:56,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:45:56,285 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 543760201f2b15d8fe9ad1d3d91c3815dae7853a [2020-12-09 10:45:56,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:45:56,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:45:56,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:45:56,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:45:56,528 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:45:56,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s2.i [2020-12-09 10:45:56,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/5ca0110a5/9ae140781de4487597a5251f69297714/FLAG94ab67aed [2020-12-09 10:45:57,042 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:45:57,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/sv-benchmarks/c/pthread/bigshot_s2.i [2020-12-09 10:45:57,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/5ca0110a5/9ae140781de4487597a5251f69297714/FLAG94ab67aed [2020-12-09 10:45:57,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/data/5ca0110a5/9ae140781de4487597a5251f69297714 [2020-12-09 10:45:57,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:45:57,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:45:57,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:45:57,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:45:57,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:45:57,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f3c602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57, skipping insertion in model container [2020-12-09 10:45:57,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:45:57,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:45:57,443 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2020-12-09 10:45:57,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:45:57,467 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:45:57,500 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2020-12-09 10:45:57,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:45:57,638 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:45:57,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57 WrapperNode [2020-12-09 10:45:57,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:45:57,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:45:57,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:45:57,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:45:57,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:45:57,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:45:57,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:45:57,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:45:57,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... [2020-12-09 10:45:57,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:45:57,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:45:57,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:45:57,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:45:57,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:45:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-09 10:45:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-09 10:45:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-09 10:45:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 10:45:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:45:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:45:57,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 10:45:58,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:45:58,014 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 10:45:58,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:58 BoogieIcfgContainer [2020-12-09 10:45:58,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:45:58,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:45:58,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:45:58,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:45:58,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:45:57" (1/3) ... [2020-12-09 10:45:58,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f154980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:45:58, skipping insertion in model container [2020-12-09 10:45:58,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:57" (2/3) ... [2020-12-09 10:45:58,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f154980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:45:58, skipping insertion in model container [2020-12-09 10:45:58,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:58" (3/3) ... [2020-12-09 10:45:58,022 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-12-09 10:45:58,036 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 10:45:58,036 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:45:58,039 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 10:45:58,040 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 10:45:58,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,067 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,067 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,070 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,070 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,071 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,071 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,082 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,088 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,088 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,090 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,090 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:45:58,095 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-09 10:45:58,103 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 10:45:58,118 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:45:58,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:45:58,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:45:58,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:45:58,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:45:58,118 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:45:58,118 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:45:58,118 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:45:58,127 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 10:45:58,128 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 71 transitions, 164 flow [2020-12-09 10:45:58,130 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 71 transitions, 164 flow [2020-12-09 10:45:58,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 164 flow [2020-12-09 10:45:58,159 INFO L129 PetriNetUnfolder]: 4/67 cut-off events. [2020-12-09 10:45:58,159 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-09 10:45:58,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 67 events. 4/67 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-12-09 10:45:58,163 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-12-09 10:46:00,895 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-09 10:46:01,021 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-09 10:46:01,172 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-09 10:46:01,334 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-09 10:46:02,061 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-09 10:46:02,417 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-09 10:46:02,809 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-09 10:46:03,148 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-09 10:46:03,158 INFO L131 LiptonReduction]: Checked pairs total: 219 [2020-12-09 10:46:03,158 INFO L133 LiptonReduction]: Total number of compositions: 65 [2020-12-09 10:46:03,162 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-12-09 10:46:03,166 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-12-09 10:46:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-09 10:46:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 10:46:03,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:03,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:46:03,171 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:03,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:03,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1746340524, now seen corresponding path program 1 times [2020-12-09 10:46:03,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:03,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083067278] [2020-12-09 10:46:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 10:46:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:46:03,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:46:03,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:46:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:46:03,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:46:03,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083067278] [2020-12-09 10:46:03,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:46:03,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:46:03,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304313924] [2020-12-09 10:46:03,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:46:03,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:46:03,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:46:03,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:46:03,320 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-12-09 10:46:03,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:46:03,346 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-12-09 10:46:03,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:46:03,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 10:46:03,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:46:03,352 INFO L225 Difference]: With dead ends: 19 [2020-12-09 10:46:03,352 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 10:46:03,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:46:03,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 10:46:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 10:46:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 10:46:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-09 10:46:03,375 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-12-09 10:46:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:46:03,375 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-09 10:46:03,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:46:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-09 10:46:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 10:46:03,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:03,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:46:03,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 10:46:03,578 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:03,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1400926609, now seen corresponding path program 1 times [2020-12-09 10:46:03,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:03,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84771976] [2020-12-09 10:46:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_643e5442-dfc4-43d7-b48b-23f197e71723/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 10:46:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:46:03,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:46:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:46:03,761 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:46:03,796 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 10:46:03,797 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:46:03,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 10:46:04,039 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,041 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,041 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,042 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,042 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,042 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,043 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,043 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,043 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,044 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,044 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,044 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,045 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,045 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,045 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,045 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,046 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,046 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,046 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,046 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,047 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,047 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,047 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,047 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,048 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,048 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,048 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,048 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,049 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,049 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 10:46:04,049 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,049 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,050 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 10:46:04,050 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 10:46:04,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:46:04 BasicIcfg [2020-12-09 10:46:04,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:46:04,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:46:04,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:46:04,068 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:46:04,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:58" (3/4) ... [2020-12-09 10:46:04,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 10:46:04,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:46:04,071 INFO L168 Benchmark]: Toolchain (without parser) took 6995.87 ms. Allocated memory was 67.1 MB in the beginning and 113.2 MB in the end (delta: 46.1 MB). Free memory was 48.1 MB in the beginning and 43.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:04,072 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 67.1 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:46:04,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.94 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 60.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:04,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.16 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 57.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:04,073 INFO L168 Benchmark]: Boogie Preprocessor took 23.07 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 56.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:46:04,074 INFO L168 Benchmark]: RCFGBuilder took 315.62 ms. Allocated memory is still 94.4 MB. Free memory was 55.7 MB in the beginning and 62.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:04,074 INFO L168 Benchmark]: TraceAbstraction took 6050.09 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.1 MB in the beginning and 43.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:04,074 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 113.2 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:46:04,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 67.1 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.94 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 60.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.16 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 57.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.07 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 56.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 315.62 ms. Allocated memory is still 94.4 MB. Free memory was 55.7 MB in the beginning and 62.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6050.09 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.1 MB in the beginning and 43.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.02 ms. Allocated memory is still 113.2 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 78 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.0s, 72 PlacesBefore, 24 PlacesAfterwards, 71 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 65 TotalNumberOfCompositions, 219 MoverChecksTotal - UnprovableResult [Line: 1107]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1123] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1124] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1117] 2 return 0; [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1126] 0 v[0] [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 1 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 3 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...