./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/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 692248c827814d69f794d70185d48fd053222a0c .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:40:52,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:40:52,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:40:52,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:40:52,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:40:52,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:40:52,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:40:52,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:40:52,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:40:52,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:40:52,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:40:52,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:40:52,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:40:52,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:40:52,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:40:52,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:40:52,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:40:52,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:40:52,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:40:52,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:40:52,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:40:52,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:40:52,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:40:52,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:40:52,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:40:52,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:40:52,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:40:52,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:40:52,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:40:52,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:40:52,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:40:52,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:40:52,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:40:52,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:40:52,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:40:52,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:40:52,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:40:52,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:40:52,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:40:52,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:40:52,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:40:52,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:40:52,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:40:52,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:40:52,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:40:52,398 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:40:52,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:40:52,399 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:40:52,399 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:40:52,399 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:40:52,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:40:52,400 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:40:52,401 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:40:52,401 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:40:52,402 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:40:52,402 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:40:52,402 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:40:52,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:40:52,408 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:40:52,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:40:52,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:40:52,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:40:52,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:40:52,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:40:52,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:40:52,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:40:52,409 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:40:52,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:40:52,410 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:40:52,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:40:52,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:40:52,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:40:52,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:40:52,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:40:52,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:40:52,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:40:52,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:40:52,412 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:40:52,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:40:52,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:40:52,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:40:52,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:40:52,413 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_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692248c827814d69f794d70185d48fd053222a0c [2020-11-28 07:40:52,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:40:52,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:40:52,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:40:52,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:40:52,705 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:40:52,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/../../sv-benchmarks/c/pthread/singleton.i [2020-11-28 07:40:52,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/data/74472c5bf/e89810f2d21b4dcbadd2665b8d642d74/FLAG310404a0f [2020-11-28 07:40:53,343 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:40:53,344 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/sv-benchmarks/c/pthread/singleton.i [2020-11-28 07:40:53,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/data/74472c5bf/e89810f2d21b4dcbadd2665b8d642d74/FLAG310404a0f [2020-11-28 07:40:53,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/data/74472c5bf/e89810f2d21b4dcbadd2665b8d642d74 [2020-11-28 07:40:53,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:40:53,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:40:53,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:53,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:40:53,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:40:53,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:53" (1/1) ... [2020-11-28 07:40:53,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42be58b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:53, skipping insertion in model container [2020-11-28 07:40:53,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:53" (1/1) ... [2020-11-28 07:40:53,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:40:53,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:40:53,985 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 07:40:54,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:40:54,224 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:40:54,240 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 07:40:54,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:40:54,507 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:40:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54 WrapperNode [2020-11-28 07:40:54,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:54,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:40:54,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:40:54,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:40:54,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:40:54,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:40:54,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:40:54,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:40:54,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... [2020-11-28 07:40:54,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:40:54,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:40:54,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:40:54,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:40:54,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/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 [2020-11-28 07:40:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 07:40:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:40:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:40:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 07:40:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:40:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2020-11-28 07:40:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2020-11-28 07:40:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-28 07:40:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-28 07:40:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-28 07:40:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-28 07:40:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-11-28 07:40:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-11-28 07:40:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:40:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 07:40:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:40:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:40:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:40:54,706 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 07:40:55,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:40:55,289 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:40:55,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:55 BoogieIcfgContainer [2020-11-28 07:40:55,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:40:55,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:40:55,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:40:55,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:40:55,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:40:53" (1/3) ... [2020-11-28 07:40:55,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bd76d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:55, skipping insertion in model container [2020-11-28 07:40:55,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:54" (2/3) ... [2020-11-28 07:40:55,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bd76d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:55, skipping insertion in model container [2020-11-28 07:40:55,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:55" (3/3) ... [2020-11-28 07:40:55,300 INFO L111 eAbstractionObserver]: Analyzing ICFG singleton.i [2020-11-28 07:40:55,312 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 07:40:55,313 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:40:55,318 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:40:55,319 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 07:40:55,353 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,354 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,354 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,354 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,354 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,355 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,355 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,355 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,355 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,357 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,357 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,357 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,359 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,359 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,359 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,370 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,370 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,372 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,372 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,373 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,373 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,373 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,373 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,374 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,374 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,374 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,374 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,374 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,375 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,375 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,375 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,375 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,376 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,376 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,384 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,384 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,385 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,385 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,387 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,388 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,388 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,388 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,397 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,397 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,397 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,397 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,402 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,402 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,403 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,403 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,405 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,405 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,405 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,406 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,406 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,406 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,408 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,408 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,408 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,408 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,409 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,409 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,409 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,409 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,409 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,410 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,410 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,410 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,410 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,410 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,410 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,411 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,411 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,411 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,411 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,411 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,411 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,412 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,412 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,421 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,441 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,441 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,457 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,457 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,457 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,457 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,457 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,475 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,476 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,476 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,476 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,482 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,482 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,525 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,525 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,525 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,525 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 07:40:55,768 INFO L149 ThreadInstanceAdder]: Constructed 121 joinOtherThreadTransitions. [2020-11-28 07:40:55,781 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-11-28 07:40:55,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:40:55,807 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:40:55,807 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:40:55,807 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:40:55,807 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:40:55,807 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:40:55,808 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:40:55,808 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:40:55,832 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 07:40:55,834 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 252 transitions, 884 flow [2020-11-28 07:40:55,837 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 252 transitions, 884 flow [2020-11-28 07:40:55,839 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 180 places, 252 transitions, 884 flow [2020-11-28 07:40:55,860 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2020-11-28 07:40:55,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-28 07:40:55,862 INFO L80 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2020-11-28 07:40:55,863 INFO L116 LiptonReduction]: Number of co-enabled transitions 80 [2020-11-28 07:40:58,153 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-28 07:40:58,502 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-28 07:40:58,820 INFO L131 LiptonReduction]: Checked pairs total: 1047 [2020-11-28 07:40:58,821 INFO L133 LiptonReduction]: Total number of compositions: 91 [2020-11-28 07:40:58,826 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 173 transitions, 726 flow [2020-11-28 07:40:58,835 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14 states. [2020-11-28 07:40:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-11-28 07:40:58,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:40:58,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:40:58 BasicIcfg [2020-11-28 07:40:58,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:40:58,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:40:58,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:40:58,849 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:40:58,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:55" (3/4) ... [2020-11-28 07:40:58,853 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:40:58,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2020-11-28 07:40:58,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2020-11-28 07:40:58,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2020-11-28 07:40:58,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2020-11-28 07:40:58,874 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:40:58,874 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:40:58,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:40:58,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:40:58,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e103f1cf-1b9b-40ce-85b8-e1e1902f6283/bin/utaipan/witness.graphml [2020-11-28 07:40:58,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:40:58,941 INFO L168 Benchmark]: Toolchain (without parser) took 5303.93 ms. Allocated memory was 98.6 MB in the beginning and 157.3 MB in the end (delta: 58.7 MB). Free memory was 66.6 MB in the beginning and 90.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,943 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 57.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:58,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.03 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.3 MB in the beginning and 71.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.51 ms. Allocated memory is still 119.5 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,944 INFO L168 Benchmark]: Boogie Preprocessor took 45.07 ms. Allocated memory is still 119.5 MB. Free memory was 68.9 MB in the beginning and 67.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,945 INFO L168 Benchmark]: RCFGBuilder took 663.50 ms. Allocated memory is still 119.5 MB. Free memory was 67.4 MB in the beginning and 87.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,946 INFO L168 Benchmark]: TraceAbstraction took 3554.78 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 87.1 MB in the beginning and 92.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,946 INFO L168 Benchmark]: Witness Printer took 90.53 ms. Allocated memory is still 157.3 MB. Free memory was 92.1 MB in the beginning and 90.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:58,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 57.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 871.03 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.3 MB in the beginning and 71.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.51 ms. Allocated memory is still 119.5 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.07 ms. Allocated memory is still 119.5 MB. Free memory was 68.9 MB in the beginning and 67.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 663.50 ms. Allocated memory is still 119.5 MB. Free memory was 67.4 MB in the beginning and 87.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3554.78 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 87.1 MB in the beginning and 92.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. * Witness Printer took 90.53 ms. Allocated memory is still 157.3 MB. Free memory was 92.1 MB in the beginning and 90.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 63 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 9 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 180 PlacesBefore, 103 PlacesAfterwards, 252 TransitionsBefore, 173 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 6 FixpointIterations, 70 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 91 TotalNumberOfCompositions, 1047 MoverChecksTotal - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...