./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe024_tso.oepc.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_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/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 265fff0a997b23c037fae60e80c5cfcb2f574b4f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:54:34,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:54:34,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:54:34,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:54:34,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:54:34,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:54:34,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:54:34,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:54:34,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:54:34,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:54:34,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:54:34,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:54:34,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:54:34,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:54:34,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:54:34,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:54:34,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:54:34,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:54:34,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:54:34,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:54:34,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:54:34,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:54:34,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:54:34,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:54:34,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:54:34,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:54:34,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:54:34,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:54:34,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:54:34,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:54:34,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:54:34,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:54:34,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:54:34,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:54:34,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:54:34,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:54:34,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:54:34,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:54:34,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:54:34,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:54:34,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:54:34,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:54:34,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:54:34,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:54:34,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:54:34,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:54:34,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:54:34,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:54:34,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:54:34,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:54:34,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:54:34,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:54:34,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:54:34,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:54:34,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:54:34,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:54:34,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:54:34,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:54:34,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:54:34,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:54:34,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:54:34,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:54:34,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:54:34,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:54:34,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:54:34,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:54:34,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:54:34,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:54:34,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:54:34,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:54:34,825 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_c67a7c97-0dff-4e19-b3e1-695400f513c3/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 -> 265fff0a997b23c037fae60e80c5cfcb2f574b4f [2019-11-15 23:54:34,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:54:34,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:54:34,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:54:34,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:54:34,877 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:54:34,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe024_tso.oepc.i [2019-11-15 23:54:34,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/data/0ebc51577/a9d6683c6b5e4e6db7a4a3b0f429c7ec/FLAG0d84b0036 [2019-11-15 23:54:35,439 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:54:35,440 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/sv-benchmarks/c/pthread-wmm/safe024_tso.oepc.i [2019-11-15 23:54:35,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/data/0ebc51577/a9d6683c6b5e4e6db7a4a3b0f429c7ec/FLAG0d84b0036 [2019-11-15 23:54:35,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/data/0ebc51577/a9d6683c6b5e4e6db7a4a3b0f429c7ec [2019-11-15 23:54:35,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:54:35,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:54:35,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:54:35,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:54:35,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:54:35,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:54:35" (1/1) ... [2019-11-15 23:54:35,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e2cc51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:35, skipping insertion in model container [2019-11-15 23:54:35,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:54:35" (1/1) ... [2019-11-15 23:54:35,961 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:54:36,002 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:54:36,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:54:36,368 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:54:36,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:54:36,478 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:54:36,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36 WrapperNode [2019-11-15 23:54:36,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:54:36,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:54:36,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:54:36,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:54:36,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:54:36,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:54:36,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:54:36,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:54:36,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... [2019-11-15 23:54:36,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:54:36,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:54:36,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:54:36,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:54:36,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/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 23:54:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:54:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:54:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:54:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:54:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:54:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:54:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:54:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:54:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:54:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:54:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:54:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:54:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:54:36,631 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 23:54:36,941 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:54:36,942 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:54:36,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:54:36 BoogieIcfgContainer [2019-11-15 23:54:36,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:54:36,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:54:36,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:54:36,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:54:36,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:54:35" (1/3) ... [2019-11-15 23:54:36,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120dbd8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:54:36, skipping insertion in model container [2019-11-15 23:54:36,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:36" (2/3) ... [2019-11-15 23:54:36,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120dbd8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:54:36, skipping insertion in model container [2019-11-15 23:54:36,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:54:36" (3/3) ... [2019-11-15 23:54:36,949 INFO L109 eAbstractionObserver]: Analyzing ICFG safe024_tso.oepc.i [2019-11-15 23:54:36,978 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,978 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,978 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,979 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,979 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,979 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,980 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,980 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,980 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,980 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,981 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,981 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,981 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,981 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,981 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,982 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,988 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:36,988 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:54:37,003 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:54:37,003 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:54:37,013 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:54:37,021 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:54:37,035 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:54:37,035 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:54:37,035 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:54:37,035 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:54:37,035 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:54:37,036 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:54:37,036 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:54:37,036 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:54:37,042 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-15 23:54:37,121 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-15 23:54:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-15 23:54:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:54:37,137 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:37,138 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 23:54:37,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:37,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1283397412, now seen corresponding path program 1 times [2019-11-15 23:54:37,152 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:37,152 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315541727] [2019-11-15 23:54:37,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:37,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:37,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:37,514 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 23:54:37,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315541727] [2019-11-15 23:54:37,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:37,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:54:37,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823024815] [2019-11-15 23:54:37,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:54:37,520 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:37,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:54:37,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:54:37,535 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-15 23:54:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:37,635 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-15 23:54:37,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:54:37,645 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-15 23:54:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:37,668 INFO L225 Difference]: With dead ends: 1295 [2019-11-15 23:54:37,668 INFO L226 Difference]: Without dead ends: 601 [2019-11-15 23:54:37,677 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 23:54:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-15 23:54:37,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-15 23:54:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-15 23:54:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-15 23:54:37,805 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-15 23:54:37,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:37,806 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-15 23:54:37,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:54:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-15 23:54:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:54:37,813 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:37,814 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 23:54:37,814 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:37,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1048197053, now seen corresponding path program 1 times [2019-11-15 23:54:37,815 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:37,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767560790] [2019-11-15 23:54:37,815 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:37,815 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:37,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:37,975 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 23:54:37,976 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767560790] [2019-11-15 23:54:37,976 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:37,976 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:54:37,976 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582189549] [2019-11-15 23:54:37,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:54:37,978 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:37,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:54:37,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:54:37,978 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-15 23:54:38,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:38,046 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-15 23:54:38,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:54:38,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 23:54:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:38,053 INFO L225 Difference]: With dead ends: 601 [2019-11-15 23:54:38,053 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 23:54:38,054 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 23:54:38,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 23:54:38,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 23:54:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 23:54:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-15 23:54:38,076 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-15 23:54:38,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:38,077 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-15 23:54:38,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:54:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-15 23:54:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 23:54:38,079 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:38,079 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 23:54:38,080 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:38,080 INFO L82 PathProgramCache]: Analyzing trace with hash 569891921, now seen corresponding path program 1 times [2019-11-15 23:54:38,080 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:38,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379345820] [2019-11-15 23:54:38,081 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,081 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:38,201 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 23:54:38,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379345820] [2019-11-15 23:54:38,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:38,201 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:54:38,201 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924517181] [2019-11-15 23:54:38,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:54:38,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:38,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:54:38,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:54:38,203 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-15 23:54:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:38,295 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-15 23:54:38,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:54:38,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 23:54:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:38,300 INFO L225 Difference]: With dead ends: 403 [2019-11-15 23:54:38,300 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 23:54:38,301 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:54:38,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 23:54:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-15 23:54:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-15 23:54:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-15 23:54:38,314 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-15 23:54:38,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:38,315 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-15 23:54:38,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:54:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-15 23:54:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:54:38,318 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:38,319 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, 1] [2019-11-15 23:54:38,319 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:38,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:38,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1055374595, now seen corresponding path program 1 times [2019-11-15 23:54:38,320 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:38,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714365486] [2019-11-15 23:54:38,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:38,493 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 23:54:38,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714365486] [2019-11-15 23:54:38,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:38,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:54:38,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019204361] [2019-11-15 23:54:38,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:54:38,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:38,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:54:38,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:54:38,496 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-11-15 23:54:38,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:38,671 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-11-15 23:54:38,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:54:38,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 23:54:38,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:38,675 INFO L225 Difference]: With dead ends: 556 [2019-11-15 23:54:38,675 INFO L226 Difference]: Without dead ends: 385 [2019-11-15 23:54:38,676 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 23:54:38,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-11-15 23:54:38,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 340. [2019-11-15 23:54:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-11-15 23:54:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 888 transitions. [2019-11-15 23:54:38,690 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 888 transitions. Word has length 34 [2019-11-15 23:54:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:38,690 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 888 transitions. [2019-11-15 23:54:38,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:54:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 888 transitions. [2019-11-15 23:54:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:54:38,692 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:38,692 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, 1] [2019-11-15 23:54:38,693 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:38,693 INFO L82 PathProgramCache]: Analyzing trace with hash 882126903, now seen corresponding path program 2 times [2019-11-15 23:54:38,693 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:38,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927189381] [2019-11-15 23:54:38,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:38,820 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 23:54:38,820 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927189381] [2019-11-15 23:54:38,820 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:38,821 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:54:38,821 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659729260] [2019-11-15 23:54:38,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:54:38,821 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:38,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:54:38,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:54:38,822 INFO L87 Difference]: Start difference. First operand 340 states and 888 transitions. Second operand 7 states. [2019-11-15 23:54:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:38,974 INFO L93 Difference]: Finished difference Result 511 states and 1368 transitions. [2019-11-15 23:54:38,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:54:38,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 23:54:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:38,977 INFO L225 Difference]: With dead ends: 511 [2019-11-15 23:54:38,977 INFO L226 Difference]: Without dead ends: 253 [2019-11-15 23:54:38,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 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 23:54:38,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-11-15 23:54:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-11-15 23:54:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-11-15 23:54:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-11-15 23:54:38,988 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-11-15 23:54:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:38,989 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-11-15 23:54:38,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:54:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-11-15 23:54:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:54:38,994 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:38,994 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, 1] [2019-11-15 23:54:38,994 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:38,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1621167207, now seen corresponding path program 3 times [2019-11-15 23:54:38,996 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:38,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682596173] [2019-11-15 23:54:38,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:38,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:39,156 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 23:54:39,156 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682596173] [2019-11-15 23:54:39,157 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:39,157 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:54:39,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883510676] [2019-11-15 23:54:39,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:54:39,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:39,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:54:39,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:54:39,158 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-11-15 23:54:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:39,235 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-11-15 23:54:39,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:54:39,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 23:54:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:39,235 INFO L225 Difference]: With dead ends: 199 [2019-11-15 23:54:39,236 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:54:39,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:54:39,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:54:39,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:54:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:54:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:54:39,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-15 23:54:39,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:39,237 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:54:39,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:54:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:54:39,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:54:39,239 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:54:39,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:54:39 BasicIcfg [2019-11-15 23:54:39,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:54:39,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:54:39,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:54:39,246 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:54:39,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:54:36" (3/4) ... [2019-11-15 23:54:39,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:54:39,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:54:39,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:54:39,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:54:39,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:54:39,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:54:39,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c67a7c97-0dff-4e19-b3e1-695400f513c3/bin/uautomizer/witness.graphml [2019-11-15 23:54:39,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:54:39,334 INFO L168 Benchmark]: Toolchain (without parser) took 3385.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.2 MB in the beginning and 845.2 MB in the end (delta: 101.0 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:39,335 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:54:39,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:39,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.04 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 23:54:39,336 INFO L168 Benchmark]: Boogie Preprocessor took 37.77 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 23:54:39,337 INFO L168 Benchmark]: RCFGBuilder took 383.95 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:39,341 INFO L168 Benchmark]: TraceAbstraction took 2301.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.2 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:39,342 INFO L168 Benchmark]: Witness Printer took 87.13 ms. Allocated memory is still 1.2 GB. Free memory is still 845.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:54:39,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.04 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 37.77 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 383.95 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2301.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.2 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. * Witness Printer took 87.13 ms. Allocated memory is still 1.2 GB. Free memory is still 845.2 MB. There was no memory consumed. 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, 66 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 318 SDtfs, 382 SDslu, 864 SDs, 0 SdLazy, 111 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 18822 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...