./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.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_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/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 63c908dc16e268ba3879104025f403c0a306c18f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:44:21,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:44:21,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:44:21,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:44:21,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:44:21,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:44:21,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:44:21,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:44:21,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:44:21,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:44:21,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:44:21,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:44:21,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:44:21,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:44:21,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:44:21,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:44:21,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:44:21,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:44:21,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:44:21,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:44:21,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:44:21,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:44:21,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:44:21,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:44:21,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:44:21,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:44:21,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:44:21,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:44:21,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:44:21,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:44:21,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:44:21,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:44:21,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:44:21,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:44:21,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:44:21,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:44:21,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:44:21,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:44:21,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:44:21,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:44:21,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:44:21,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:44:21,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:44:21,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:44:21,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:44:21,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:44:21,973 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:44:21,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:44:21,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:44:21,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:44:21,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:44:21,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:44:21,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:44:21,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:44:21,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:44:21,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:44:21,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:44:21,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:44:21,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:44:21,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:44:21,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:44:21,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:44:21,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:44:21,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:44:21,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:44:21,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:44:21,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:44:21,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:44:21,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:44:21,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:44:21,981 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_685ab0f1-e4d7-4beb-ab31-2a76e1916262/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 -> 63c908dc16e268ba3879104025f403c0a306c18f [2019-11-20 09:44:22,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:44:22,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:44:22,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:44:22,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:44:22,196 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:44:22,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-11-20 09:44:22,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/data/16d673e77/4e1d4729325544fb88b2559364437a42/FLAG715d1eebb [2019-11-20 09:44:22,860 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:44:22,861 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-11-20 09:44:22,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/data/16d673e77/4e1d4729325544fb88b2559364437a42/FLAG715d1eebb [2019-11-20 09:44:23,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/data/16d673e77/4e1d4729325544fb88b2559364437a42 [2019-11-20 09:44:23,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:44:23,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:44:23,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:44:23,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:44:23,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:44:23,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:23,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205e4e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23, skipping insertion in model container [2019-11-20 09:44:23,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:23,172 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:44:23,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:44:23,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:44:23,815 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:44:23,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:44:23,992 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:44:23,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23 WrapperNode [2019-11-20 09:44:23,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:44:23,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:44:23,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:44:23,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:44:24,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:44:24,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:44:24,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:44:24,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:44:24,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... [2019-11-20 09:44:24,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:44:24,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:44:24,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:44:24,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:44:24,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/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 09:44:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:44:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 09:44:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:44:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:44:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 09:44:24,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 09:44:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 09:44:24,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 09:44:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 09:44:24,176 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 09:44:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 09:44:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:44:24,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:44:24,179 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 09:44:24,576 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:44:24,576 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 09:44:24,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:44:24 BoogieIcfgContainer [2019-11-20 09:44:24,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:44:24,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:44:24,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:44:24,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:44:24,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:44:23" (1/3) ... [2019-11-20 09:44:24,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fac8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:44:24, skipping insertion in model container [2019-11-20 09:44:24,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:23" (2/3) ... [2019-11-20 09:44:24,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fac8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:44:24, skipping insertion in model container [2019-11-20 09:44:24,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:44:24" (3/3) ... [2019-11-20 09:44:24,589 INFO L109 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2019-11-20 09:44:24,655 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,656 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,656 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,656 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,657 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,657 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,658 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,658 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,658 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,658 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,659 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,659 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,659 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,660 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,660 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,660 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,660 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,661 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,661 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,661 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,661 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,662 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,662 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,662 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,662 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,663 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,663 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,664 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,664 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,664 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,664 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,665 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,665 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,665 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,666 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,666 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,666 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,666 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,667 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,667 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,667 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,667 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,667 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,668 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,668 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,668 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,669 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,669 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,669 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,669 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,669 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:44:24,700 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 09:44:24,700 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:44:24,707 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:44:24,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:44:24,742 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:44:24,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:44:24,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:44:24,743 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:44:24,743 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:44:24,743 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:44:24,743 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:44:24,743 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:44:24,755 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-20 09:44:29,100 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31743 states. [2019-11-20 09:44:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 31743 states. [2019-11-20 09:44:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 09:44:29,181 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:29,183 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] [2019-11-20 09:44:29,183 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:29,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:29,190 INFO L82 PathProgramCache]: Analyzing trace with hash -545638952, now seen corresponding path program 1 times [2019-11-20 09:44:29,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:29,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319829043] [2019-11-20 09:44:29,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:44:29,572 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 09:44:29,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319829043] [2019-11-20 09:44:29,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:44:29,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:44:29,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300369705] [2019-11-20 09:44:29,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:44:29,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:44:29,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:44:29,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:44:29,600 INFO L87 Difference]: Start difference. First operand 31743 states. Second operand 4 states. [2019-11-20 09:44:30,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:44:30,396 INFO L93 Difference]: Finished difference Result 33012 states and 103292 transitions. [2019-11-20 09:44:30,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:44:30,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-20 09:44:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:44:30,589 INFO L225 Difference]: With dead ends: 33012 [2019-11-20 09:44:30,590 INFO L226 Difference]: Without dead ends: 14274 [2019-11-20 09:44:30,592 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:44:30,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14274 states. [2019-11-20 09:44:31,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14274 to 14274. [2019-11-20 09:44:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2019-11-20 09:44:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 44297 transitions. [2019-11-20 09:44:31,576 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 44297 transitions. Word has length 30 [2019-11-20 09:44:31,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:44:31,578 INFO L462 AbstractCegarLoop]: Abstraction has 14274 states and 44297 transitions. [2019-11-20 09:44:31,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:44:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 44297 transitions. [2019-11-20 09:44:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 09:44:31,614 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:31,614 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] [2019-11-20 09:44:31,615 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:31,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:31,625 INFO L82 PathProgramCache]: Analyzing trace with hash 819902106, now seen corresponding path program 1 times [2019-11-20 09:44:31,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:31,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335692595] [2019-11-20 09:44:31,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:44:31,808 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 09:44:31,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335692595] [2019-11-20 09:44:31,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:44:31,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:44:31,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169972035] [2019-11-20 09:44:31,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:44:31,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:44:31,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:44:31,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:44:31,812 INFO L87 Difference]: Start difference. First operand 14274 states and 44297 transitions. Second operand 5 states. [2019-11-20 09:44:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:44:32,296 INFO L93 Difference]: Finished difference Result 14274 states and 42110 transitions. [2019-11-20 09:44:32,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:44:32,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 09:44:32,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:44:32,379 INFO L225 Difference]: With dead ends: 14274 [2019-11-20 09:44:32,379 INFO L226 Difference]: Without dead ends: 12573 [2019-11-20 09:44:32,380 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:44:32,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2019-11-20 09:44:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12573. [2019-11-20 09:44:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12573 states. [2019-11-20 09:44:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12573 states to 12573 states and 38060 transitions. [2019-11-20 09:44:33,066 INFO L78 Accepts]: Start accepts. Automaton has 12573 states and 38060 transitions. Word has length 31 [2019-11-20 09:44:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:44:33,067 INFO L462 AbstractCegarLoop]: Abstraction has 12573 states and 38060 transitions. [2019-11-20 09:44:33,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:44:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12573 states and 38060 transitions. [2019-11-20 09:44:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 09:44:33,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:33,106 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] [2019-11-20 09:44:33,106 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:33,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash 306619345, now seen corresponding path program 1 times [2019-11-20 09:44:33,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:33,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896522142] [2019-11-20 09:44:33,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:44:33,272 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 09:44:33,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896522142] [2019-11-20 09:44:33,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:44:33,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 09:44:33,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006479934] [2019-11-20 09:44:33,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:44:33,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:44:33,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:44:33,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:44:33,275 INFO L87 Difference]: Start difference. First operand 12573 states and 38060 transitions. Second operand 6 states. [2019-11-20 09:44:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:44:33,549 INFO L93 Difference]: Finished difference Result 8928 states and 24938 transitions. [2019-11-20 09:44:33,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 09:44:33,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 09:44:33,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:44:33,581 INFO L225 Difference]: With dead ends: 8928 [2019-11-20 09:44:33,581 INFO L226 Difference]: Without dead ends: 7470 [2019-11-20 09:44:33,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-20 09:44:33,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2019-11-20 09:44:34,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2019-11-20 09:44:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2019-11-20 09:44:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 21050 transitions. [2019-11-20 09:44:34,106 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 21050 transitions. Word has length 32 [2019-11-20 09:44:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:44:34,106 INFO L462 AbstractCegarLoop]: Abstraction has 7470 states and 21050 transitions. [2019-11-20 09:44:34,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:44:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 21050 transitions. [2019-11-20 09:44:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 09:44:34,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:34,129 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] [2019-11-20 09:44:34,130 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:34,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:34,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1880202083, now seen corresponding path program 1 times [2019-11-20 09:44:34,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:34,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646706670] [2019-11-20 09:44:34,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:44:34,381 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 09:44:34,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646706670] [2019-11-20 09:44:34,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:44:34,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 09:44:34,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143164333] [2019-11-20 09:44:34,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:44:34,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:44:34,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:44:34,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:44:34,383 INFO L87 Difference]: Start difference. First operand 7470 states and 21050 transitions. Second operand 7 states. [2019-11-20 09:44:34,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:44:34,661 INFO L93 Difference]: Finished difference Result 12654 states and 35495 transitions. [2019-11-20 09:44:34,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 09:44:34,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-20 09:44:34,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:44:34,698 INFO L225 Difference]: With dead ends: 12654 [2019-11-20 09:44:34,698 INFO L226 Difference]: Without dead ends: 7245 [2019-11-20 09:44:34,700 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-20 09:44:34,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7245 states. [2019-11-20 09:44:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7245 to 7245. [2019-11-20 09:44:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7245 states. [2019-11-20 09:44:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7245 states to 7245 states and 20339 transitions. [2019-11-20 09:44:34,932 INFO L78 Accepts]: Start accepts. Automaton has 7245 states and 20339 transitions. Word has length 33 [2019-11-20 09:44:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:44:34,932 INFO L462 AbstractCegarLoop]: Abstraction has 7245 states and 20339 transitions. [2019-11-20 09:44:34,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:44:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7245 states and 20339 transitions. [2019-11-20 09:44:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 09:44:34,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:34,949 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] [2019-11-20 09:44:34,950 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:34,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:34,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1978936403, now seen corresponding path program 2 times [2019-11-20 09:44:34,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:34,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786012496] [2019-11-20 09:44:34,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:44:35,150 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 09:44:35,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786012496] [2019-11-20 09:44:35,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:44:35,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 09:44:35,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454358633] [2019-11-20 09:44:35,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:44:35,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:44:35,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:44:35,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:44:35,153 INFO L87 Difference]: Start difference. First operand 7245 states and 20339 transitions. Second operand 7 states. [2019-11-20 09:44:35,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:44:35,501 INFO L93 Difference]: Finished difference Result 10404 states and 28925 transitions. [2019-11-20 09:44:35,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 09:44:35,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-20 09:44:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:44:35,504 INFO L225 Difference]: With dead ends: 10404 [2019-11-20 09:44:35,504 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:44:35,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-11-20 09:44:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:44:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:44:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:44:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:44:35,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-20 09:44:35,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:44:35,506 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:44:35,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:44:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:44:35,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:44:35,510 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 09:44:35,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:44:35 BasicIcfg [2019-11-20 09:44:35,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:44:35,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:44:35,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:44:35,513 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:44:35,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:44:24" (3/4) ... [2019-11-20 09:44:35,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:44:35,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 09:44:35,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 09:44:35,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 09:44:35,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 09:44:35,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 09:44:35,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:44:35,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_685ab0f1-e4d7-4beb-ab31-2a76e1916262/bin/uautomizer/witness.graphml [2019-11-20 09:44:35,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:44:35,619 INFO L168 Benchmark]: Toolchain (without parser) took 12463.99 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 475.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 342.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:35,619 INFO L168 Benchmark]: CDTParser took 0.34 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 09:44:35,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:35,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:44:35,621 INFO L168 Benchmark]: Boogie Preprocessor took 30.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:44:35,621 INFO L168 Benchmark]: RCFGBuilder took 493.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:35,622 INFO L168 Benchmark]: TraceAbstraction took 10934.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:35,622 INFO L168 Benchmark]: Witness Printer took 103.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:35,625 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 838.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 493.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10934.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. * Witness Printer took 103.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 10.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 413 SDtfs, 717 SDslu, 1074 SDs, 0 SdLazy, 194 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31743occurred 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: 2.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 13978 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...