./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:03:28,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:03:28,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:03:28,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:03:28,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:03:28,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:03:28,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:03:28,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:03:28,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:03:28,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:03:28,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:03:28,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:03:28,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:03:28,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:03:28,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:03:28,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:03:28,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:03:28,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:03:28,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:03:28,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:03:28,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:03:28,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:03:28,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:03:28,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:03:28,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:03:28,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:03:28,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:03:28,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:03:28,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:03:28,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:03:28,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:03:28,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:03:28,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:03:28,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:03:28,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:03:28,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:03:28,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:03:28,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:03:28,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:03:28,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:03:28,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:03:28,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:03:28,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:03:28,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:03:28,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:03:28,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:03:28,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:03:28,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:03:28,408 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:03:28,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:03:28,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:03:28,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:03:28,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:03:28,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:03:28,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:03:28,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:03:28,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:03:28,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:03:28,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:03:28,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:03:28,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:03:28,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:03:28,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:03:28,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:03:28,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:03:28,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:03:28,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:03:28,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:03:28,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:03:28,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:03:28,414 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:03:28,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:03:28,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:03:28,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:03:28,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2021-11-22 16:03:28,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:03:28,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:03:28,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:03:28,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:03:28,777 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:03:28,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2021-11-22 16:03:28,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/data/63f96db9b/c65118cb3ba84597a3facb58b53864bb/FLAGe9d51ac28 [2021-11-22 16:03:29,402 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:03:29,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2021-11-22 16:03:29,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/data/63f96db9b/c65118cb3ba84597a3facb58b53864bb/FLAGe9d51ac28 [2021-11-22 16:03:29,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/data/63f96db9b/c65118cb3ba84597a3facb58b53864bb [2021-11-22 16:03:29,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:03:29,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:03:29,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:03:29,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:03:29,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:03:29,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:03:29" (1/1) ... [2021-11-22 16:03:29,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e69d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:29, skipping insertion in model container [2021-11-22 16:03:29,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:03:29" (1/1) ... [2021-11-22 16:03:29,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:03:29,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:03:30,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2021-11-22 16:03:30,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:03:30,175 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:03:30,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2021-11-22 16:03:30,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:03:30,265 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:03:30,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30 WrapperNode [2021-11-22 16:03:30,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:03:30,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:03:30,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:03:30,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:03:30,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,336 INFO L137 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-11-22 16:03:30,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:03:30,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:03:30,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:03:30,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:03:30,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:03:30,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:03:30,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:03:30,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:03:30,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (1/1) ... [2021-11-22 16:03:30,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:03:30,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:03:30,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:03:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:03:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 16:03:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 16:03:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 16:03:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:03:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 16:03:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-22 16:03:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-22 16:03:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 16:03:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:03:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:03:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:03:30,477 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 16:03:30,658 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:03:30,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:03:30,912 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:03:30,920 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:03:30,920 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-22 16:03:30,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:30 BoogieIcfgContainer [2021-11-22 16:03:30,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:03:30,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:03:30,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:03:30,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:03:30,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:03:29" (1/3) ... [2021-11-22 16:03:30,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69743603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:30, skipping insertion in model container [2021-11-22 16:03:30,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:03:30" (2/3) ... [2021-11-22 16:03:30,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69743603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:30, skipping insertion in model container [2021-11-22 16:03:30,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:30" (3/3) ... [2021-11-22 16:03:30,932 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-11-22 16:03:30,944 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 16:03:30,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:03:30,944 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 16:03:30,944 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 16:03:31,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,006 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,006 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,007 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,007 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,007 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,008 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,008 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,008 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,008 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,009 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,009 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,009 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,032 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,038 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,039 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,045 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:03:31,053 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-22 16:03:31,110 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:03:31,118 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 16:03:31,118 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-22 16:03:31,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 108 transitions, 224 flow [2021-11-22 16:03:31,197 INFO L129 PetriNetUnfolder]: 9/107 cut-off events. [2021-11-22 16:03:31,199 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 16:03:31,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 107 events. 9/107 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 57. Up to 3 conditions per place. [2021-11-22 16:03:31,204 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 108 transitions, 224 flow [2021-11-22 16:03:31,210 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 97 transitions, 197 flow [2021-11-22 16:03:31,246 INFO L129 PetriNetUnfolder]: 3/84 cut-off events. [2021-11-22 16:03:31,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 16:03:31,246 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:31,247 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:03:31,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 16:03:31,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1331683409, now seen corresponding path program 1 times [2021-11-22 16:03:31,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:31,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92537505] [2021-11-22 16:03:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:31,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:31,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:31,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92537505] [2021-11-22 16:03:31,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92537505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:31,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:31,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:03:31,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013420130] [2021-11-22 16:03:31,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:31,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:03:31,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:31,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:03:31,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:03:31,725 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 108 [2021-11-22 16:03:31,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 97 transitions, 197 flow. Second operand has 9 states, 9 states have (on average 55.77777777777778) internal successors, (502), 9 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:31,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:31,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 108 [2021-11-22 16:03:31,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:32,220 INFO L129 PetriNetUnfolder]: 41/306 cut-off events. [2021-11-22 16:03:32,221 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 16:03:32,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 306 events. 41/306 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1404 event pairs, 10 based on Foata normal form. 96/399 useless extension candidates. Maximal degree in co-relation 370. Up to 29 conditions per place. [2021-11-22 16:03:32,227 INFO L132 encePairwiseOnDemand]: 89/108 looper letters, 34 selfloop transitions, 4 changer transitions 38/118 dead transitions. [2021-11-22 16:03:32,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 118 transitions, 383 flow [2021-11-22 16:03:32,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 16:03:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-22 16:03:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 842 transitions. [2021-11-22 16:03:32,251 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5568783068783069 [2021-11-22 16:03:32,251 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 842 transitions. [2021-11-22 16:03:32,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 842 transitions. [2021-11-22 16:03:32,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:32,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 842 transitions. [2021-11-22 16:03:32,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 60.142857142857146) internal successors, (842), 14 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,281 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,284 INFO L186 Difference]: Start difference. First operand has 92 places, 97 transitions, 197 flow. Second operand 14 states and 842 transitions. [2021-11-22 16:03:32,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 118 transitions, 383 flow [2021-11-22 16:03:32,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 118 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:03:32,294 INFO L242 Difference]: Finished difference. Result has 110 places, 80 transitions, 186 flow [2021-11-22 16:03:32,296 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=186, PETRI_PLACES=110, PETRI_TRANSITIONS=80} [2021-11-22 16:03:32,300 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, 18 predicate places. [2021-11-22 16:03:32,300 INFO L470 AbstractCegarLoop]: Abstraction has has 110 places, 80 transitions, 186 flow [2021-11-22 16:03:32,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 55.77777777777778) internal successors, (502), 9 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:32,301 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:03:32,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:03:32,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 16:03:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:32,303 INFO L85 PathProgramCache]: Analyzing trace with hash -255844283, now seen corresponding path program 1 times [2021-11-22 16:03:32,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:32,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687829651] [2021-11-22 16:03:32,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:32,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:03:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:03:32,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:03:32,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687829651] [2021-11-22 16:03:32,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687829651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:03:32,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:03:32,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 16:03:32,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342755338] [2021-11-22 16:03:32,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:03:32,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:03:32,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:03:32,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:03:32,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:03:32,548 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 108 [2021-11-22 16:03:32,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 80 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:03:32,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 108 [2021-11-22 16:03:32,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:03:32,656 INFO L129 PetriNetUnfolder]: 7/134 cut-off events. [2021-11-22 16:03:32,656 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-11-22 16:03:32,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 134 events. 7/134 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 174 event pairs, 4 based on Foata normal form. 4/138 useless extension candidates. Maximal degree in co-relation 191. Up to 21 conditions per place. [2021-11-22 16:03:32,657 INFO L132 encePairwiseOnDemand]: 100/108 looper letters, 15 selfloop transitions, 8 changer transitions 1/83 dead transitions. [2021-11-22 16:03:32,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 83 transitions, 240 flow [2021-11-22 16:03:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:03:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 16:03:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 397 transitions. [2021-11-22 16:03:32,661 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7351851851851852 [2021-11-22 16:03:32,661 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 397 transitions. [2021-11-22 16:03:32,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 397 transitions. [2021-11-22 16:03:32,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:03:32,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 397 transitions. [2021-11-22 16:03:32,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 108.0) internal successors, (648), 6 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,667 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 108.0) internal successors, (648), 6 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,667 INFO L186 Difference]: Start difference. First operand has 110 places, 80 transitions, 186 flow. Second operand 5 states and 397 transitions. [2021-11-22 16:03:32,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 83 transitions, 240 flow [2021-11-22 16:03:32,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 220 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-11-22 16:03:32,672 INFO L242 Difference]: Finished difference. Result has 89 places, 81 transitions, 192 flow [2021-11-22 16:03:32,673 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=192, PETRI_PLACES=89, PETRI_TRANSITIONS=81} [2021-11-22 16:03:32,674 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, -3 predicate places. [2021-11-22 16:03:32,674 INFO L470 AbstractCegarLoop]: Abstraction has has 89 places, 81 transitions, 192 flow [2021-11-22 16:03:32,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:03:32,675 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:03:32,675 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:03:32,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:03:32,675 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 16:03:32,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:03:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash -272814705, now seen corresponding path program 1 times [2021-11-22 16:03:32,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:03:32,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526863834] [2021-11-22 16:03:32,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:03:32,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:03:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:03:32,728 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:03:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:03:32,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:03:32,819 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 16:03:32,821 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-22 16:03:32,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-22 16:03:32,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:03:32,829 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-22 16:03:32,837 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-22 16:03:32,838 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:03:32,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:03:32 BasicIcfg [2021-11-22 16:03:32,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:03:32,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:03:32,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:03:32,912 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:03:32,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:30" (3/4) ... [2021-11-22 16:03:32,914 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 16:03:32,990 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:03:32,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:03:32,991 INFO L158 Benchmark]: Toolchain (without parser) took 3292.78ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 58.2MB in the beginning and 55.9MB in the end (delta: 2.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-11-22 16:03:32,992 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:03:32,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.78ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 59.3MB in the end (delta: -1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 16:03:32,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.65ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:03:32,994 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 55.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:03:32,995 INFO L158 Benchmark]: RCFGBuilder took 533.29ms. Allocated memory is still 94.4MB. Free memory was 55.4MB in the beginning and 42.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 16:03:32,996 INFO L158 Benchmark]: TraceAbstraction took 1986.17ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 42.2MB in the beginning and 62.2MB in the end (delta: -20.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-22 16:03:32,996 INFO L158 Benchmark]: Witness Printer took 78.68ms. Allocated memory is still 125.8MB. Free memory was 62.2MB in the beginning and 55.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 16:03:33,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.78ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 59.3MB in the end (delta: -1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.65ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 55.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.29ms. Allocated memory is still 94.4MB. Free memory was 55.4MB in the beginning and 42.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1986.17ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 42.2MB in the beginning and 62.2MB in the end (delta: -20.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 78.68ms. Allocated memory is still 125.8MB. Free memory was 62.2MB in the beginning and 55.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L700] 1 int *p = (int *) arg; VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [\read(i)=1, __global_lock={3:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - UnprovableResult [Line: 709]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 41 mSDtfsCounter, 160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-22 16:03:33,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf3c789-7af2-4cb0-a1fd-64abe7e0a851/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE