./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/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 9908dff743b7e46b9190a89f35a244ffc2425ec1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:26:37,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:26:37,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:26:37,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:26:37,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:26:37,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:26:37,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:26:37,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:26:37,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:26:37,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:26:37,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:26:37,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:26:37,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:26:37,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:26:37,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:26:37,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:26:37,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:26:37,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:26:37,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:26:37,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:26:37,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:26:37,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:26:37,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:26:37,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:26:37,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:26:37,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:26:37,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:26:37,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:26:37,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:26:37,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:26:37,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:26:37,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:26:37,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:26:37,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:26:37,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:26:37,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:26:37,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:26:37,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:26:37,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:26:37,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:26:37,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:26:37,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:26:38,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:26:38,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:26:38,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:26:38,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:26:38,029 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:26:38,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:26:38,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:26:38,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:26:38,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:26:38,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:26:38,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:26:38,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:26:38,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:26:38,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:26:38,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:26:38,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:26:38,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:26:38,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:26:38,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:26:38,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:26:38,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:26:38,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:26:38,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:26:38,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:26:38,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:26:38,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:26:38,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:26:38,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:26:38,036 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_c13c11e0-486c-4f75-aba8-a888d1dad5fa/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 -> 9908dff743b7e46b9190a89f35a244ffc2425ec1 [2019-11-15 21:26:38,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:26:38,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:26:38,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:26:38,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:26:38,080 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:26:38,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i [2019-11-15 21:26:38,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/data/6e714274b/44171d322b6e4a88bd76d96bfbf2c75d/FLAGb461dc226 [2019-11-15 21:26:38,587 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:26:38,588 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i [2019-11-15 21:26:38,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/data/6e714274b/44171d322b6e4a88bd76d96bfbf2c75d/FLAGb461dc226 [2019-11-15 21:26:38,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/data/6e714274b/44171d322b6e4a88bd76d96bfbf2c75d [2019-11-15 21:26:38,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:26:38,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:26:38,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:26:38,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:26:38,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:26:38,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b05d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38, skipping insertion in model container [2019-11-15 21:26:38,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:26:38,939 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:26:39,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:26:39,416 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:26:39,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:26:39,541 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:26:39,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39 WrapperNode [2019-11-15 21:26:39,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:26:39,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:26:39,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:26:39,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:26:39,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:26:39,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:26:39,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:26:39,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:26:39,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... [2019-11-15 21:26:39,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:26:39,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:26:39,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:26:39,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:26:39,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/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 [2019-11-15 21:26:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:26:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 21:26:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:26:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:26:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 21:26:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 21:26:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 21:26:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 21:26:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 21:26:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 21:26:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 21:26:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:26:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:26:39,713 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 21:26:40,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:26:40,034 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 21:26:40,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:40 BoogieIcfgContainer [2019-11-15 21:26:40,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:26:40,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:26:40,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:26:40,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:26:40,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:26:38" (1/3) ... [2019-11-15 21:26:40,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba4e24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:26:40, skipping insertion in model container [2019-11-15 21:26:40,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:39" (2/3) ... [2019-11-15 21:26:40,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba4e24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:26:40, skipping insertion in model container [2019-11-15 21:26:40,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:40" (3/3) ... [2019-11-15 21:26:40,043 INFO L109 eAbstractionObserver]: Analyzing ICFG safe035_pso.opt.i [2019-11-15 21:26:40,078 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,079 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,079 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,079 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,080 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,080 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,080 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,081 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,081 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,081 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,081 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,082 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,083 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,083 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,084 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,084 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,084 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,085 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:26:40,096 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 21:26:40,096 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:26:40,104 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:26:40,116 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:26:40,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:26:40,135 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:26:40,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:26:40,135 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:26:40,136 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:26:40,136 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:26:40,136 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:26:40,136 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:26:40,146 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-15 21:26:40,238 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-15 21:26:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-15 21:26:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 21:26:40,256 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:40,257 INFO L380 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] [2019-11-15 21:26:40,259 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:26:40,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:40,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1216899528, now seen corresponding path program 1 times [2019-11-15 21:26:40,273 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:40,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080848063] [2019-11-15 21:26:40,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:40,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:40,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:40,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080848063] [2019-11-15 21:26:40,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:40,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:26:40,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694979255] [2019-11-15 21:26:40,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:26:40,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:40,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:26:40,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:26:40,737 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-15 21:26:40,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:40,898 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-15 21:26:40,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:26:40,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-15 21:26:40,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:40,922 INFO L225 Difference]: With dead ends: 1294 [2019-11-15 21:26:40,923 INFO L226 Difference]: Without dead ends: 600 [2019-11-15 21:26:40,924 INFO L600 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 [2019-11-15 21:26:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-15 21:26:41,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-15 21:26:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-15 21:26:41,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-15 21:26:41,028 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-15 21:26:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:41,029 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-15 21:26:41,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:26:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-15 21:26:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 21:26:41,038 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:41,038 INFO L380 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] [2019-11-15 21:26:41,038 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:26:41,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:41,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1806707158, now seen corresponding path program 1 times [2019-11-15 21:26:41,039 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:41,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678108192] [2019-11-15 21:26:41,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:41,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678108192] [2019-11-15 21:26:41,178 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:41,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:26:41,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120866729] [2019-11-15 21:26:41,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:26:41,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:26:41,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:26:41,181 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-15 21:26:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:41,260 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-15 21:26:41,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:26:41,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-15 21:26:41,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:41,266 INFO L225 Difference]: With dead ends: 600 [2019-11-15 21:26:41,267 INFO L226 Difference]: Without dead ends: 537 [2019-11-15 21:26:41,267 INFO L600 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 [2019-11-15 21:26:41,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-15 21:26:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-15 21:26:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-15 21:26:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-15 21:26:41,315 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-15 21:26:41,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:41,316 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-15 21:26:41,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:26:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-15 21:26:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:26:41,320 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:41,320 INFO L380 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] [2019-11-15 21:26:41,320 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:26:41,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:41,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1043947086, now seen corresponding path program 1 times [2019-11-15 21:26:41,321 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:41,321 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144278133] [2019-11-15 21:26:41,321 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:41,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144278133] [2019-11-15 21:26:41,486 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:41,486 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:26:41,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435433237] [2019-11-15 21:26:41,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:26:41,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:41,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:26:41,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:26:41,487 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-15 21:26:41,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:41,581 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-15 21:26:41,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:26:41,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 21:26:41,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:41,589 INFO L225 Difference]: With dead ends: 402 [2019-11-15 21:26:41,589 INFO L226 Difference]: Without dead ends: 348 [2019-11-15 21:26:41,590 INFO L600 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 [2019-11-15 21:26:41,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-15 21:26:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-15 21:26:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-15 21:26:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-15 21:26:41,608 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-15 21:26:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:41,608 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-15 21:26:41,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:26:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-15 21:26:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:26:41,612 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:41,612 INFO L380 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] [2019-11-15 21:26:41,613 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:26:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:41,613 INFO L82 PathProgramCache]: Analyzing trace with hash -193314957, now seen corresponding path program 1 times [2019-11-15 21:26:41,614 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:41,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668293701] [2019-11-15 21:26:41,614 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,614 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:41,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668293701] [2019-11-15 21:26:41,836 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:41,837 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:26:41,837 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824151321] [2019-11-15 21:26:41,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:26:41,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:41,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:26:41,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:26:41,838 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-15 21:26:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:41,993 INFO L93 Difference]: Finished difference Result 780 states and 2120 transitions. [2019-11-15 21:26:41,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:26:41,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 21:26:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:42,000 INFO L225 Difference]: With dead ends: 780 [2019-11-15 21:26:42,001 INFO L226 Difference]: Without dead ends: 609 [2019-11-15 21:26:42,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:26:42,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-11-15 21:26:42,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 348. [2019-11-15 21:26:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-15 21:26:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 911 transitions. [2019-11-15 21:26:42,023 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 911 transitions. Word has length 33 [2019-11-15 21:26:42,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:42,024 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 911 transitions. [2019-11-15 21:26:42,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:26:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 911 transitions. [2019-11-15 21:26:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:26:42,028 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:42,028 INFO L380 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] [2019-11-15 21:26:42,028 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:26:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:42,029 INFO L82 PathProgramCache]: Analyzing trace with hash 2040792537, now seen corresponding path program 2 times [2019-11-15 21:26:42,029 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:42,029 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350636030] [2019-11-15 21:26:42,030 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,030 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:42,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350636030] [2019-11-15 21:26:42,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:42,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:26:42,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186444919] [2019-11-15 21:26:42,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:26:42,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:42,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:26:42,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:26:42,199 INFO L87 Difference]: Start difference. First operand 348 states and 911 transitions. Second operand 8 states. [2019-11-15 21:26:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:42,544 INFO L93 Difference]: Finished difference Result 888 states and 2414 transitions. [2019-11-15 21:26:42,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 21:26:42,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-15 21:26:42,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:42,549 INFO L225 Difference]: With dead ends: 888 [2019-11-15 21:26:42,549 INFO L226 Difference]: Without dead ends: 264 [2019-11-15 21:26:42,549 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:26:42,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-15 21:26:42,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-11-15 21:26:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-15 21:26:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-11-15 21:26:42,562 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-11-15 21:26:42,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:42,563 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-11-15 21:26:42,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:26:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-11-15 21:26:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:26:42,568 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:42,569 INFO L380 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] [2019-11-15 21:26:42,569 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:26:42,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:42,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1502936959, now seen corresponding path program 3 times [2019-11-15 21:26:42,570 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:42,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611982828] [2019-11-15 21:26:42,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:42,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611982828] [2019-11-15 21:26:42,727 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:42,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:26:42,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988882850] [2019-11-15 21:26:42,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:26:42,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:42,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:26:42,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:26:42,728 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 7 states. [2019-11-15 21:26:42,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:42,830 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-11-15 21:26:42,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:26:42,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 21:26:42,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:42,831 INFO L225 Difference]: With dead ends: 210 [2019-11-15 21:26:42,831 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:26:42,831 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:26:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:26:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:26:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:26:42,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:26:42,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-15 21:26:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:42,832 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:26:42,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:26:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:26:42,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:26:42,835 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 21:26:42,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:26:42 BasicIcfg [2019-11-15 21:26:42,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:26:42,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:26:42,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:26:42,839 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:26:42,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:40" (3/4) ... [2019-11-15 21:26:42,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:26:42,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 21:26:42,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 21:26:42,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 21:26:42,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 21:26:42,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 21:26:42,927 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c13c11e0-486c-4f75-aba8-a888d1dad5fa/bin/uautomizer/witness.graphml [2019-11-15 21:26:42,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:26:42,929 INFO L168 Benchmark]: Toolchain (without parser) took 4050.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:26:42,932 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:26:42,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:42,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.87 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. [2019-11-15 21:26:42,934 INFO L168 Benchmark]: Boogie Preprocessor took 30.29 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. [2019-11-15 21:26:42,934 INFO L168 Benchmark]: RCFGBuilder took 414.69 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. [2019-11-15 21:26:42,935 INFO L168 Benchmark]: TraceAbstraction took 2801.97 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: -21.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:26:42,941 INFO L168 Benchmark]: Witness Printer took 88.52 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:42,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 663.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.87 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 30.29 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 414.69 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 2801.97 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: -21.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 88.52 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: 1.7 MB). Peak memory consumption was 1.7 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 7 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 412 SDslu, 939 SDs, 0 SdLazy, 127 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 261 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 15566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...