./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stateful01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stateful01-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4a47048478df3e0b96f55978373f0c6fcefc18a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:43:34,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:43:34,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:43:34,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:43:34,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:43:34,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:43:34,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:43:34,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:43:34,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:43:34,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:43:34,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:43:34,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:43:34,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:43:34,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:43:34,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:43:34,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:43:34,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:43:34,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:43:34,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:43:34,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:43:34,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:43:34,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:43:34,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:43:34,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:43:34,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:43:34,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:43:34,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:43:34,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:43:34,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:43:34,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:43:34,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:43:34,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:43:34,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:43:34,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:43:34,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:43:34,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:43:34,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:43:34,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:43:34,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:43:34,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:43:34,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:43:34,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:43:35,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:43:35,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:43:35,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:43:35,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:43:35,029 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:43:35,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:43:35,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:43:35,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:43:35,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:43:35,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:43:35,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:43:35,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:43:35,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:43:35,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:43:35,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:43:35,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:43:35,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:43:35,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:43:35,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:43:35,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:43:35,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:43:35,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:43:35,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:43:35,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:43:35,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:43:35,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:43:35,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:43:35,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:43:35,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_62b99ff8-276c-4e9c-ba34-edc6746ccc73/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(__VERIFIER_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 -> a4a47048478df3e0b96f55978373f0c6fcefc18a [2019-11-20 10:43:35,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:43:35,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:43:35,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:43:35,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:43:35,230 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:43:35,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/../../sv-benchmarks/c/pthread/stateful01-2.i [2019-11-20 10:43:35,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/data/74f9cc5e7/9fca98d557034e35943d4d0f0e00b1cf/FLAG6e3cea8ff [2019-11-20 10:43:35,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:43:35,833 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/sv-benchmarks/c/pthread/stateful01-2.i [2019-11-20 10:43:35,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/data/74f9cc5e7/9fca98d557034e35943d4d0f0e00b1cf/FLAG6e3cea8ff [2019-11-20 10:43:36,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/data/74f9cc5e7/9fca98d557034e35943d4d0f0e00b1cf [2019-11-20 10:43:36,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:43:36,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:43:36,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:43:36,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:43:36,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:43:36,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4db10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36, skipping insertion in model container [2019-11-20 10:43:36,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,113 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:43:36,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:43:36,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:43:36,637 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:43:36,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:43:36,769 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:43:36,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36 WrapperNode [2019-11-20 10:43:36,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:43:36,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:43:36,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:43:36,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:43:36,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:43:36,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:43:36,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:43:36,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:43:36,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... [2019-11-20 10:43:36,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:43:36,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:43:36,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:43:36,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:43:36,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/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 [2019-11-20 10:43:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:43:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-20 10:43:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-20 10:43:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-20 10:43:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-20 10:43:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:43:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-20 10:43:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:43:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:43:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:43:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:43:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:43:36,956 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 10:43:37,457 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:43:37,457 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 10:43:37,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:43:37 BoogieIcfgContainer [2019-11-20 10:43:37,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:43:37,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:43:37,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:43:37,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:43:37,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:43:36" (1/3) ... [2019-11-20 10:43:37,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7e9bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:43:37, skipping insertion in model container [2019-11-20 10:43:37,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36" (2/3) ... [2019-11-20 10:43:37,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7e9bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:43:37, skipping insertion in model container [2019-11-20 10:43:37,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:43:37" (3/3) ... [2019-11-20 10:43:37,468 INFO L109 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2019-11-20 10:43:37,535 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,535 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,535 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,536 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,536 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,536 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,537 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,537 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,537 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,538 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,538 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,538 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,538 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,539 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,539 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,540 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,541 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,541 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,541 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,541 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,542 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,542 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,542 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,543 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,544 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,544 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,545 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,545 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,546 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,546 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,547 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,547 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,547 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,548 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,548 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,548 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,549 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,549 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,549 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,550 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,551 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,551 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,552 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,552 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,553 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,554 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,554 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,555 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,556 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,556 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,556 WARN L315 ript$VariableManager]: TermVariabe thread2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,556 WARN L315 ript$VariableManager]: TermVariabe thread2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,557 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,557 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,557 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,558 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,558 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,558 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,559 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,559 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,559 WARN L315 ript$VariableManager]: TermVariabe thread2Thread3of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,559 WARN L315 ript$VariableManager]: TermVariabe thread2Thread3of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,560 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,561 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,561 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,562 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,562 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,564 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,565 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,565 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,566 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,566 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,567 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,567 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,567 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,568 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,568 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,569 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 10:43:37,623 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 10:43:37,624 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:43:37,632 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:43:37,644 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:43:37,666 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:43:37,666 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:43:37,667 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:43:37,667 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:43:37,667 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:43:37,667 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:43:37,667 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:43:37,667 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:43:37,682 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 140 transitions [2019-11-20 10:43:38,138 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5619 states. [2019-11-20 10:43:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states. [2019-11-20 10:43:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:38,183 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:38,184 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:38,184 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:38,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:38,190 INFO L82 PathProgramCache]: Analyzing trace with hash 594930520, now seen corresponding path program 1 times [2019-11-20 10:43:38,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:38,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858655473] [2019-11-20 10:43:38,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:38,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858655473] [2019-11-20 10:43:38,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:38,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:43:38,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682109822] [2019-11-20 10:43:38,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:43:38,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:38,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:43:38,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:43:38,600 INFO L87 Difference]: Start difference. First operand 5619 states. Second operand 3 states. [2019-11-20 10:43:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:38,860 INFO L93 Difference]: Finished difference Result 3999 states and 8959 transitions. [2019-11-20 10:43:38,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:43:38,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-11-20 10:43:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:38,925 INFO L225 Difference]: With dead ends: 3999 [2019-11-20 10:43:38,925 INFO L226 Difference]: Without dead ends: 3991 [2019-11-20 10:43:38,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:43:39,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2019-11-20 10:43:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3991. [2019-11-20 10:43:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3991 states. [2019-11-20 10:43:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 3991 states and 8951 transitions. [2019-11-20 10:43:39,232 INFO L78 Accepts]: Start accepts. Automaton has 3991 states and 8951 transitions. Word has length 65 [2019-11-20 10:43:39,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:39,234 INFO L462 AbstractCegarLoop]: Abstraction has 3991 states and 8951 transitions. [2019-11-20 10:43:39,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:43:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3991 states and 8951 transitions. [2019-11-20 10:43:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:39,254 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:39,254 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:39,255 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:39,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:39,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1682049390, now seen corresponding path program 1 times [2019-11-20 10:43:39,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:39,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274890879] [2019-11-20 10:43:39,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:39,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274890879] [2019-11-20 10:43:39,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:39,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:43:39,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524661385] [2019-11-20 10:43:39,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:43:39,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:39,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:43:39,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:43:39,656 INFO L87 Difference]: Start difference. First operand 3991 states and 8951 transitions. Second operand 6 states. [2019-11-20 10:43:39,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:39,866 INFO L93 Difference]: Finished difference Result 4560 states and 10153 transitions. [2019-11-20 10:43:39,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:43:39,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-20 10:43:39,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:39,892 INFO L225 Difference]: With dead ends: 4560 [2019-11-20 10:43:39,892 INFO L226 Difference]: Without dead ends: 3589 [2019-11-20 10:43:39,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:43:39,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2019-11-20 10:43:40,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3589. [2019-11-20 10:43:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3589 states. [2019-11-20 10:43:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 8008 transitions. [2019-11-20 10:43:40,024 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 8008 transitions. Word has length 65 [2019-11-20 10:43:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:40,024 INFO L462 AbstractCegarLoop]: Abstraction has 3589 states and 8008 transitions. [2019-11-20 10:43:40,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:43:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 8008 transitions. [2019-11-20 10:43:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:40,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:40,038 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:40,038 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:40,039 INFO L82 PathProgramCache]: Analyzing trace with hash -101673996, now seen corresponding path program 2 times [2019-11-20 10:43:40,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:40,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619249945] [2019-11-20 10:43:40,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:40,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619249945] [2019-11-20 10:43:40,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:40,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:43:40,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472876715] [2019-11-20 10:43:40,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:43:40,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:40,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:43:40,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:43:40,186 INFO L87 Difference]: Start difference. First operand 3589 states and 8008 transitions. Second operand 5 states. [2019-11-20 10:43:40,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:40,338 INFO L93 Difference]: Finished difference Result 3656 states and 8109 transitions. [2019-11-20 10:43:40,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:43:40,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-11-20 10:43:40,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:40,371 INFO L225 Difference]: With dead ends: 3656 [2019-11-20 10:43:40,371 INFO L226 Difference]: Without dead ends: 3608 [2019-11-20 10:43:40,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:43:40,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2019-11-20 10:43:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3541. [2019-11-20 10:43:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2019-11-20 10:43:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 7882 transitions. [2019-11-20 10:43:40,496 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 7882 transitions. Word has length 65 [2019-11-20 10:43:40,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:40,497 INFO L462 AbstractCegarLoop]: Abstraction has 3541 states and 7882 transitions. [2019-11-20 10:43:40,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:43:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 7882 transitions. [2019-11-20 10:43:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:40,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:40,509 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:40,509 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:40,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:40,509 INFO L82 PathProgramCache]: Analyzing trace with hash -180824358, now seen corresponding path program 2 times [2019-11-20 10:43:40,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:40,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234778193] [2019-11-20 10:43:40,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:40,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234778193] [2019-11-20 10:43:40,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:40,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:43:40,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210200215] [2019-11-20 10:43:40,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:43:40,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:40,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:43:40,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:43:40,762 INFO L87 Difference]: Start difference. First operand 3541 states and 7882 transitions. Second operand 6 states. [2019-11-20 10:43:40,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:40,948 INFO L93 Difference]: Finished difference Result 3606 states and 7982 transitions. [2019-11-20 10:43:40,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:43:40,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-20 10:43:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:40,973 INFO L225 Difference]: With dead ends: 3606 [2019-11-20 10:43:40,974 INFO L226 Difference]: Without dead ends: 2707 [2019-11-20 10:43:40,974 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:43:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2019-11-20 10:43:41,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2707. [2019-11-20 10:43:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2707 states. [2019-11-20 10:43:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 6035 transitions. [2019-11-20 10:43:41,069 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 6035 transitions. Word has length 65 [2019-11-20 10:43:41,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:41,072 INFO L462 AbstractCegarLoop]: Abstraction has 2707 states and 6035 transitions. [2019-11-20 10:43:41,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:43:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 6035 transitions. [2019-11-20 10:43:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:41,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:41,092 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:41,093 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:41,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:41,093 INFO L82 PathProgramCache]: Analyzing trace with hash -423038593, now seen corresponding path program 1 times [2019-11-20 10:43:41,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:41,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055470815] [2019-11-20 10:43:41,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:41,279 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055470815] [2019-11-20 10:43:41,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:41,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:43:41,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335704365] [2019-11-20 10:43:41,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:43:41,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:41,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:43:41,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:43:41,282 INFO L87 Difference]: Start difference. First operand 2707 states and 6035 transitions. Second operand 6 states. [2019-11-20 10:43:41,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:41,407 INFO L93 Difference]: Finished difference Result 3276 states and 7237 transitions. [2019-11-20 10:43:41,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:43:41,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-20 10:43:41,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:41,424 INFO L225 Difference]: With dead ends: 3276 [2019-11-20 10:43:41,424 INFO L226 Difference]: Without dead ends: 2305 [2019-11-20 10:43:41,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:43:41,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2019-11-20 10:43:41,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 2305. [2019-11-20 10:43:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2019-11-20 10:43:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 5092 transitions. [2019-11-20 10:43:41,498 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 5092 transitions. Word has length 65 [2019-11-20 10:43:41,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:41,550 INFO L462 AbstractCegarLoop]: Abstraction has 2305 states and 5092 transitions. [2019-11-20 10:43:41,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:43:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 5092 transitions. [2019-11-20 10:43:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:41,555 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:41,555 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:41,556 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:41,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:41,556 INFO L82 PathProgramCache]: Analyzing trace with hash -906910647, now seen corresponding path program 2 times [2019-11-20 10:43:41,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:41,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853715411] [2019-11-20 10:43:41,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:41,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853715411] [2019-11-20 10:43:41,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:41,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:43:41,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793581766] [2019-11-20 10:43:41,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:43:41,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:41,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:43:41,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:43:41,750 INFO L87 Difference]: Start difference. First operand 2305 states and 5092 transitions. Second operand 6 states. [2019-11-20 10:43:41,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:41,879 INFO L93 Difference]: Finished difference Result 2370 states and 5192 transitions. [2019-11-20 10:43:41,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:43:41,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-20 10:43:41,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:41,890 INFO L225 Difference]: With dead ends: 2370 [2019-11-20 10:43:41,890 INFO L226 Difference]: Without dead ends: 1423 [2019-11-20 10:43:41,891 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:43:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2019-11-20 10:43:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1423. [2019-11-20 10:43:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2019-11-20 10:43:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 3119 transitions. [2019-11-20 10:43:41,946 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 3119 transitions. Word has length 65 [2019-11-20 10:43:41,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:41,946 INFO L462 AbstractCegarLoop]: Abstraction has 1423 states and 3119 transitions. [2019-11-20 10:43:41,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:43:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 3119 transitions. [2019-11-20 10:43:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:41,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:41,951 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:41,951 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:41,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:41,951 INFO L82 PathProgramCache]: Analyzing trace with hash -865163474, now seen corresponding path program 1 times [2019-11-20 10:43:41,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:41,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604398222] [2019-11-20 10:43:41,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:42,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604398222] [2019-11-20 10:43:42,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:42,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:43:42,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212171990] [2019-11-20 10:43:42,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:43:42,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:42,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:43:42,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:43:42,134 INFO L87 Difference]: Start difference. First operand 1423 states and 3119 transitions. Second operand 6 states. [2019-11-20 10:43:42,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:42,284 INFO L93 Difference]: Finished difference Result 1947 states and 4246 transitions. [2019-11-20 10:43:42,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:43:42,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-20 10:43:42,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:42,292 INFO L225 Difference]: With dead ends: 1947 [2019-11-20 10:43:42,292 INFO L226 Difference]: Without dead ends: 976 [2019-11-20 10:43:42,293 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:43:42,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2019-11-20 10:43:42,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 976. [2019-11-20 10:43:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2019-11-20 10:43:42,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 2101 transitions. [2019-11-20 10:43:42,327 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 2101 transitions. Word has length 65 [2019-11-20 10:43:42,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:42,327 INFO L462 AbstractCegarLoop]: Abstraction has 976 states and 2101 transitions. [2019-11-20 10:43:42,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:43:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 2101 transitions. [2019-11-20 10:43:42,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:42,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:43:42,330 INFO L410 BasicCegarLoop]: 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] [2019-11-20 10:43:42,331 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:43:42,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:43:42,331 INFO L82 PathProgramCache]: Analyzing trace with hash -876848324, now seen corresponding path program 2 times [2019-11-20 10:43:42,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:43:42,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349092286] [2019-11-20 10:43:42,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:43:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:43:42,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349092286] [2019-11-20 10:43:42,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:43:42,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:43:42,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491775260] [2019-11-20 10:43:42,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:43:42,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:43:42,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:43:42,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:43:42,483 INFO L87 Difference]: Start difference. First operand 976 states and 2101 transitions. Second operand 6 states. [2019-11-20 10:43:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:43:42,572 INFO L93 Difference]: Finished difference Result 974 states and 2099 transitions. [2019-11-20 10:43:42,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:43:42,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-20 10:43:42,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:43:42,573 INFO L225 Difference]: With dead ends: 974 [2019-11-20 10:43:42,573 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:43:42,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:43:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:43:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:43:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:43:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:43:42,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2019-11-20 10:43:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:43:42,575 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:43:42,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:43:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:43:42,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:43:42,579 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 10:43:42,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:43:42 BasicIcfg [2019-11-20 10:43:42,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:43:42,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:43:42,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:43:42,582 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:43:42,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:43:37" (3/4) ... [2019-11-20 10:43:42,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:43:42,609 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-11-20 10:43:42,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2019-11-20 10:43:42,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 10:43:42,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:43:42,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:43:42,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_62b99ff8-276c-4e9c-ba34-edc6746ccc73/bin/uautomizer/witness.graphml [2019-11-20 10:43:42,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:43:42,698 INFO L168 Benchmark]: Toolchain (without parser) took 6600.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:42,699 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:43:42,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -221.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:42,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:42,700 INFO L168 Benchmark]: Boogie Preprocessor took 30.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:43:42,701 INFO L168 Benchmark]: RCFGBuilder took 603.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:42,701 INFO L168 Benchmark]: TraceAbstraction took 5121.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:42,702 INFO L168 Benchmark]: Witness Printer took 114.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:42,704 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -221.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 603.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5121.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. * Witness Printer took 114.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 708]: 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 9 procedures, 160 locations, 1 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1279 SDtfs, 761 SDslu, 3544 SDs, 0 SdLazy, 354 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5619occurred 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: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 67 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 138112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...