./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin001_tso.opt.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_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin001_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer --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 08e72c65eb1fc04376b30451871062e62e5e1ff7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:14:48,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:48,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:48,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:48,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:48,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:48,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:48,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:48,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:48,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:48,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:48,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:48,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:48,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:48,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:48,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:48,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:48,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:48,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:48,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:48,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:48,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:48,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:48,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:48,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:48,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:48,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:48,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:48,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:48,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:48,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:48,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:48,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:48,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:48,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:48,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:48,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:48,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:48,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:48,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:48,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:48,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:14:48,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:48,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:48,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:48,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:48,686 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:48,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:48,687 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:48,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:48,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:48,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:48,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:48,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:48,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:48,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:48,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:48,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:48,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:48,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:48,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:48,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:48,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:48,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:48,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:48,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:48,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:48,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:48,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:48,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:48,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:48,693 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-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08e72c65eb1fc04376b30451871062e62e5e1ff7 [2020-11-28 03:14:48,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:48,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:48,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:48,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:48,968 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:48,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/thin001_tso.opt.i [2020-11-28 03:14:49,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/data/39e10c0d5/d0dc905e48a441b88b342be57d3c395f/FLAG880e87ce0 [2020-11-28 03:14:49,577 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:49,578 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/sv-benchmarks/c/pthread-wmm/thin001_tso.opt.i [2020-11-28 03:14:49,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/data/39e10c0d5/d0dc905e48a441b88b342be57d3c395f/FLAG880e87ce0 [2020-11-28 03:14:49,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/data/39e10c0d5/d0dc905e48a441b88b342be57d3c395f [2020-11-28 03:14:49,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:49,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:49,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:49,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:49,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:49,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:49" (1/1) ... [2020-11-28 03:14:49,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1afc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:49, skipping insertion in model container [2020-11-28 03:14:49,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:49" (1/1) ... [2020-11-28 03:14:49,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:49,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:50,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:50,392 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:50,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:50,556 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:50,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50 WrapperNode [2020-11-28 03:14:50,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:50,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:50,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:50,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:50,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:50,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:50,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:50,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:50,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... [2020-11-28 03:14:50,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:50,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:50,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:50,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:50,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/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 03:14:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:14:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 03:14:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:14:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-28 03:14:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-28 03:14:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-28 03:14:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-28 03:14:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-28 03:14:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-28 03:14:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 03:14:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:50,709 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 03:14:51,100 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:51,100 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 03:14:51,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:51 BoogieIcfgContainer [2020-11-28 03:14:51,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:51,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:51,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:51,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:51,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:49" (1/3) ... [2020-11-28 03:14:51,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6b8738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:51, skipping insertion in model container [2020-11-28 03:14:51,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:50" (2/3) ... [2020-11-28 03:14:51,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6b8738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:51, skipping insertion in model container [2020-11-28 03:14:51,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:51" (3/3) ... [2020-11-28 03:14:51,111 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_tso.opt.i [2020-11-28 03:14:51,122 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 03:14:51,122 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:51,127 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:14:51,127 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 03:14:51,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,163 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,181 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,181 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:14:51,187 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-28 03:14:51,197 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 03:14:51,220 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:51,221 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:14:51,221 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:51,221 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:51,221 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:51,221 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:51,222 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:51,222 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:51,239 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 03:14:51,242 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 80 transitions, 175 flow [2020-11-28 03:14:51,245 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 80 transitions, 175 flow [2020-11-28 03:14:51,247 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 87 places, 80 transitions, 175 flow [2020-11-28 03:14:51,293 INFO L129 PetriNetUnfolder]: 3/77 cut-off events. [2020-11-28 03:14:51,293 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-28 03:14:51,297 INFO L80 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 77 events. 3/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-11-28 03:14:51,301 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-11-28 03:14:53,230 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-11-28 03:14:53,796 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-11-28 03:14:53,924 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-28 03:14:54,048 INFO L131 LiptonReduction]: Checked pairs total: 2810 [2020-11-28 03:14:54,048 INFO L133 LiptonReduction]: Total number of compositions: 73 [2020-11-28 03:14:54,052 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-11-28 03:14:54,075 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-11-28 03:14:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-11-28 03:14:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 03:14:54,083 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:54,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:54,084 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:54,090 INFO L82 PathProgramCache]: Analyzing trace with hash -853874994, now seen corresponding path program 1 times [2020-11-28 03:14:54,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:54,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582207074] [2020-11-28 03:14:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:54,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582207074] [2020-11-28 03:14:54,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:54,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 03:14:54,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890643709] [2020-11-28 03:14:54,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:54,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:54,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:54,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:54,367 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-11-28 03:14:54,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:54,441 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-11-28 03:14:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:54,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-28 03:14:54,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:54,464 INFO L225 Difference]: With dead ends: 282 [2020-11-28 03:14:54,465 INFO L226 Difference]: Without dead ends: 218 [2020-11-28 03:14:54,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:54,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-28 03:14:54,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-11-28 03:14:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-11-28 03:14:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-11-28 03:14:54,554 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-11-28 03:14:54,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:54,555 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-11-28 03:14:54,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-11-28 03:14:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:14:54,561 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:54,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:54,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:14:54,562 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:54,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:54,565 INFO L82 PathProgramCache]: Analyzing trace with hash -700352928, now seen corresponding path program 1 times [2020-11-28 03:14:54,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:54,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121308116] [2020-11-28 03:14:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:54,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121308116] [2020-11-28 03:14:54,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:54,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:54,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659561313] [2020-11-28 03:14:54,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:54,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:54,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:54,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:54,716 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-11-28 03:14:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:54,771 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-11-28 03:14:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:14:54,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 03:14:54,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:54,776 INFO L225 Difference]: With dead ends: 242 [2020-11-28 03:14:54,776 INFO L226 Difference]: Without dead ends: 146 [2020-11-28 03:14:54,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:54,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-28 03:14:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-11-28 03:14:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-28 03:14:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 362 transitions. [2020-11-28 03:14:54,791 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 362 transitions. Word has length 9 [2020-11-28 03:14:54,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:54,791 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 362 transitions. [2020-11-28 03:14:54,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-11-28 03:14:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:14:54,794 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:54,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:54,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:14:54,795 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:54,796 INFO L82 PathProgramCache]: Analyzing trace with hash 2063010818, now seen corresponding path program 1 times [2020-11-28 03:14:54,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:54,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021504922] [2020-11-28 03:14:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:54,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021504922] [2020-11-28 03:14:54,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:54,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 03:14:54,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963085202] [2020-11-28 03:14:54,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:54,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:54,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:54,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:54,899 INFO L87 Difference]: Start difference. First operand 146 states and 362 transitions. Second operand 3 states. [2020-11-28 03:14:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:54,907 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-11-28 03:14:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:54,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-28 03:14:54,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:54,910 INFO L225 Difference]: With dead ends: 140 [2020-11-28 03:14:54,910 INFO L226 Difference]: Without dead ends: 140 [2020-11-28 03:14:54,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:54,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-11-28 03:14:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-11-28 03:14:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-28 03:14:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 343 transitions. [2020-11-28 03:14:54,925 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 343 transitions. Word has length 11 [2020-11-28 03:14:54,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:54,925 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 343 transitions. [2020-11-28 03:14:54,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-11-28 03:14:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:14:54,932 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:54,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:54,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:14:54,932 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1374781277, now seen corresponding path program 1 times [2020-11-28 03:14:54,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:54,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304126362] [2020-11-28 03:14:54,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:55,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304126362] [2020-11-28 03:14:55,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:55,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:55,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326198369] [2020-11-28 03:14:55,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:55,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:55,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:55,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:55,022 INFO L87 Difference]: Start difference. First operand 140 states and 343 transitions. Second operand 4 states. [2020-11-28 03:14:55,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:55,044 INFO L93 Difference]: Finished difference Result 158 states and 376 transitions. [2020-11-28 03:14:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:14:55,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-28 03:14:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:55,047 INFO L225 Difference]: With dead ends: 158 [2020-11-28 03:14:55,047 INFO L226 Difference]: Without dead ends: 68 [2020-11-28 03:14:55,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-11-28 03:14:55,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-11-28 03:14:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 03:14:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions. [2020-11-28 03:14:55,052 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12 [2020-11-28 03:14:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:55,052 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions. [2020-11-28 03:14:55,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-11-28 03:14:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:14:55,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:55,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:55,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:14:55,053 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:55,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:55,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1721558133, now seen corresponding path program 1 times [2020-11-28 03:14:55,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:55,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106461290] [2020-11-28 03:14:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:55,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106461290] [2020-11-28 03:14:55,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:55,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:55,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113315744] [2020-11-28 03:14:55,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:55,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:55,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:55,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:55,094 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states. [2020-11-28 03:14:55,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:55,108 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions. [2020-11-28 03:14:55,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:14:55,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-28 03:14:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:55,109 INFO L225 Difference]: With dead ends: 56 [2020-11-28 03:14:55,110 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:14:55,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:14:55,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:14:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:14:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:14:55,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-28 03:14:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:55,111 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:55,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:14:55,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:14:55,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:14:55,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:55 BasicIcfg [2020-11-28 03:14:55,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:55,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:55,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:55,116 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:55,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:51" (3/4) ... [2020-11-28 03:14:55,119 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:14:55,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-11-28 03:14:55,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-11-28 03:14:55,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-11-28 03:14:55,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-28 03:14:55,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:14:55,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:55,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:55,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_67693efd-157a-4db7-97d0-ca779bd69b77/bin/uautomizer/witness.graphml [2020-11-28 03:14:55,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:55,170 INFO L168 Benchmark]: Toolchain (without parser) took 5288.05 ms. Allocated memory was 90.2 MB in the beginning and 142.6 MB in the end (delta: 52.4 MB). Free memory was 58.1 MB in the beginning and 77.0 MB in the end (delta: -18.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,171 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 90.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:55,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.96 ms. Allocated memory is still 90.2 MB. Free memory was 57.8 MB in the beginning and 45.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.10 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 45.4 MB in the beginning and 94.7 MB in the end (delta: -49.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,172 INFO L168 Benchmark]: Boogie Preprocessor took 32.11 ms. Allocated memory is still 117.4 MB. Free memory was 94.6 MB in the beginning and 95.0 MB in the end (delta: -366.4 kB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,173 INFO L168 Benchmark]: RCFGBuilder took 453.63 ms. Allocated memory is still 117.4 MB. Free memory was 95.0 MB in the beginning and 73.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,173 INFO L168 Benchmark]: TraceAbstraction took 4010.99 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 72.8 MB in the beginning and 80.2 MB in the end (delta: -7.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,174 INFO L168 Benchmark]: Witness Printer took 53.35 ms. Allocated memory is still 142.6 MB. Free memory was 80.2 MB in the beginning and 77.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:55,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 90.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.96 ms. Allocated memory is still 90.2 MB. Free memory was 57.8 MB in the beginning and 45.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.10 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 45.4 MB in the beginning and 94.7 MB in the end (delta: -49.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.11 ms. Allocated memory is still 117.4 MB. Free memory was 94.6 MB in the beginning and 95.0 MB in the end (delta: -366.4 kB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 453.63 ms. Allocated memory is still 117.4 MB. Free memory was 95.0 MB in the beginning and 73.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4010.99 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 72.8 MB in the beginning and 80.2 MB in the end (delta: -7.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 53.35 ms. Allocated memory is still 142.6 MB. Free memory was 80.2 MB in the beginning and 77.0 MB in the end (delta: 3.1 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 1074 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 87 PlacesBefore, 31 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 73 TotalNumberOfCompositions, 2810 MoverChecksTotal - PositiveResult [Line: 17]: 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 4 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 81 SDtfs, 75 SDslu, 56 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...