./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_3-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e274006309db7a6ae6e7d3a14420548e35b766ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:05:36,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:05:36,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:05:36,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:05:36,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:05:36,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:05:36,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:05:36,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:05:36,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:05:36,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:05:36,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:05:36,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:05:36,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:05:36,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:05:36,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:05:36,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:05:36,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:05:36,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:05:36,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:05:36,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:05:36,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:05:36,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:05:36,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:05:36,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:05:36,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:05:36,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:05:36,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:05:36,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:05:36,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:05:36,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:05:36,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:05:36,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:05:36,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:05:36,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:05:36,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:05:36,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:05:36,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:05:36,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:05:36,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:05:36,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:05:36,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:05:36,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 19:05:36,840 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:05:36,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:05:36,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:05:36,841 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:05:36,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:05:36,841 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:05:36,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:05:36,842 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:05:36,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:05:36,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:05:36,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:05:36,842 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:05:36,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:05:36,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:05:36,843 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:05:36,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:05:36,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:05:36,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:05:36,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:05:36,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:05:36,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:05:36,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:05:36,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:05:36,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:05:36,845 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:05:36,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:05:36,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:05:36,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:05:36,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:05:36,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:05:36,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:05:36,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:05:36,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:05:36,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:05:36,847 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:05:36,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:05:36,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:05:36,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:05:36,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:05:36,848 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e274006309db7a6ae6e7d3a14420548e35b766ad [2020-12-09 19:05:37,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:05:37,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:05:37,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:05:37,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:05:37,057 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:05:37,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/../../sv-benchmarks/c/loop-acceleration/array_3-1.i [2020-12-09 19:05:37,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/data/c8178feff/220f6f95563c42eaba6d9781009cdfa7/FLAG7027bb6a1 [2020-12-09 19:05:37,468 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:05:37,469 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/sv-benchmarks/c/loop-acceleration/array_3-1.i [2020-12-09 19:05:37,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/data/c8178feff/220f6f95563c42eaba6d9781009cdfa7/FLAG7027bb6a1 [2020-12-09 19:05:37,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/data/c8178feff/220f6f95563c42eaba6d9781009cdfa7 [2020-12-09 19:05:37,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:05:37,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:05:37,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:05:37,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:05:37,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:05:37,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c4886b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37, skipping insertion in model container [2020-12-09 19:05:37,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:05:37,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:05:37,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2020-12-09 19:05:37,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:05:37,629 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:05:37,637 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2020-12-09 19:05:37,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:05:37,652 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:05:37,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37 WrapperNode [2020-12-09 19:05:37,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:05:37,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:05:37,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:05:37,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:05:37,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:05:37,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:05:37,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:05:37,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:05:37,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... [2020-12-09 19:05:37,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:05:37,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:05:37,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:05:37,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:05:37,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:05:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 19:05:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:05:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 19:05:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:05:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:05:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 19:05:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 19:05:37,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:05:37,934 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 19:05:37,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:05:37 BoogieIcfgContainer [2020-12-09 19:05:37,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:05:37,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:05:37,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:05:37,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:05:37,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:05:37" (1/3) ... [2020-12-09 19:05:37,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ef3abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:05:37, skipping insertion in model container [2020-12-09 19:05:37,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:05:37" (2/3) ... [2020-12-09 19:05:37,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ef3abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:05:37, skipping insertion in model container [2020-12-09 19:05:37,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:05:37" (3/3) ... [2020-12-09 19:05:37,943 INFO L111 eAbstractionObserver]: Analyzing ICFG array_3-1.i [2020-12-09 19:05:37,956 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:05:37,958 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:05:37,966 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:05:37,982 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:05:37,983 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:05:37,983 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:05:37,983 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:05:37,983 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:05:37,983 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:05:37,983 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:05:37,983 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:05:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-12-09 19:05:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 19:05:37,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:05:37,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 19:05:37,995 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:05:38,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:05:38,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1893687477, now seen corresponding path program 1 times [2020-12-09 19:05:38,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:05:38,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40025912] [2020-12-09 19:05:38,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:05:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:05:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:05:38,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40025912] [2020-12-09 19:05:38,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:05:38,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:05:38,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147748279] [2020-12-09 19:05:38,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:05:38,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:05:38,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:05:38,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:05:38,160 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-12-09 19:05:38,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:05:38,191 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2020-12-09 19:05:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:05:38,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-09 19:05:38,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:05:38,200 INFO L225 Difference]: With dead ends: 30 [2020-12-09 19:05:38,201 INFO L226 Difference]: Without dead ends: 17 [2020-12-09 19:05:38,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:05:38,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-09 19:05:38,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2020-12-09 19:05:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-09 19:05:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2020-12-09 19:05:38,231 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 6 [2020-12-09 19:05:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:05:38,231 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-12-09 19:05:38,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:05:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-12-09 19:05:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 19:05:38,231 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:05:38,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:05:38,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 19:05:38,232 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:05:38,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:05:38,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1733130924, now seen corresponding path program 1 times [2020-12-09 19:05:38,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:05:38,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146516673] [2020-12-09 19:05:38,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:05:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:05:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:05:38,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146516673] [2020-12-09 19:05:38,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948961906] [2020-12-09 19:05:38,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:05:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:05:38,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:05:38,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:05:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:05:38,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:05:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:05:38,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1657437700] [2020-12-09 19:05:38,404 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-12-09 19:05:38,404 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:05:38,408 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:05:38,412 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:05:38,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:05:38,866 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:05:39,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:05:39,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2020-12-09 19:05:39,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744666515] [2020-12-09 19:05:39,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 19:05:39,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:05:39,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 19:05:39,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=73, Unknown=0, NotChecked=0, Total=132 [2020-12-09 19:05:39,008 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 7 states. [2020-12-09 19:05:39,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:05:39,046 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2020-12-09 19:05:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 19:05:39,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2020-12-09 19:05:39,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:05:39,047 INFO L225 Difference]: With dead ends: 17 [2020-12-09 19:05:39,047 INFO L226 Difference]: Without dead ends: 13 [2020-12-09 19:05:39,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=73, Unknown=0, NotChecked=0, Total=132 [2020-12-09 19:05:39,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-12-09 19:05:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-12-09 19:05:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-09 19:05:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-12-09 19:05:39,051 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 8 [2020-12-09 19:05:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:05:39,052 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-12-09 19:05:39,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 19:05:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-12-09 19:05:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 19:05:39,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:05:39,052 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:05:39,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 19:05:39,254 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:05:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:05:39,254 INFO L82 PathProgramCache]: Analyzing trace with hash -121190839, now seen corresponding path program 1 times [2020-12-09 19:05:39,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:05:39,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328629377] [2020-12-09 19:05:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:05:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:05:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:05:39,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328629377] [2020-12-09 19:05:39,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777887213] [2020-12-09 19:05:39,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:05:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:05:39,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:05:39,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:05:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:05:39,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:05:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 19:05:39,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [289634711] [2020-12-09 19:05:39,362 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-09 19:05:39,362 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:05:39,363 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:05:39,363 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:05:39,363 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:05:39,624 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:05:39,890 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:05:39,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:05:39,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2020-12-09 19:05:39,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915330697] [2020-12-09 19:05:39,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 19:05:39,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:05:39,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 19:05:39,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:05:39,892 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 7 states. [2020-12-09 19:05:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:05:39,926 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-12-09 19:05:39,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 19:05:39,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-12-09 19:05:39,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:05:39,927 INFO L225 Difference]: With dead ends: 40 [2020-12-09 19:05:39,927 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 19:05:39,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:05:39,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 19:05:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2020-12-09 19:05:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-09 19:05:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-12-09 19:05:39,933 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 11 [2020-12-09 19:05:39,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:05:39,933 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-12-09 19:05:39,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 19:05:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-12-09 19:05:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 19:05:39,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:05:39,934 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:05:40,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-09 19:05:40,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:05:40,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:05:40,137 INFO L82 PathProgramCache]: Analyzing trace with hash -508079591, now seen corresponding path program 2 times [2020-12-09 19:05:40,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:05:40,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027390637] [2020-12-09 19:05:40,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:05:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:05:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:05:40,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027390637] [2020-12-09 19:05:40,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965398394] [2020-12-09 19:05:40,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:05:40,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 19:05:40,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:05:40,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 19:05:40,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:05:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:05:40,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:05:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 19:05:40,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1939319661] [2020-12-09 19:05:40,373 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-09 19:05:40,373 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:05:40,374 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:05:40,374 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:05:40,374 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:05:40,604 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 19:05:40,857 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 19:05:40,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:05:40,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2020-12-09 19:05:40,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173482473] [2020-12-09 19:05:40,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 19:05:40,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:05:40,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 19:05:40,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-12-09 19:05:40,862 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 9 states. [2020-12-09 19:05:40,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:05:40,898 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2020-12-09 19:05:40,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 19:05:40,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-12-09 19:05:40,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:05:40,899 INFO L225 Difference]: With dead ends: 24 [2020-12-09 19:05:40,899 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 19:05:40,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-12-09 19:05:40,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 19:05:40,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 19:05:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 19:05:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 19:05:40,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-12-09 19:05:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:05:40,900 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 19:05:40,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 19:05:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 19:05:40,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 19:05:41,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2020-12-09 19:05:41,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point L29(lines 29 31) no Hoare annotation was computed. [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-12-09 19:05:41,253 INFO L265 CegarLoopResult]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point L28-1(lines 28 32) no Hoare annotation was computed. [2020-12-09 19:05:41,253 INFO L258 CegarLoopResult]: At program point L28-4(lines 28 32) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (<= 0 ULTIMATE.start_main_~i~0) (<= |#t~string1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0.base|) (= |#NULL.base| 0) (< ULTIMATE.start_main_~i~0 1024) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_main_~#A~0.offset| 0) (= |#t~string0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2020-12-09 19:05:41,253 INFO L262 CegarLoopResult]: For program point L28-5(lines 28 32) no Hoare annotation was computed. [2020-12-09 19:05:41,254 INFO L258 CegarLoopResult]: At program point L24-3(lines 24 26) the Hoare annotation is: (and (<= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (<= 0 ULTIMATE.start_main_~i~0) (<= 0 |ULTIMATE.start_main_~#A~0.base|) (<= ULTIMATE.start_main_~i~0 1024) (= |#NULL.base| 0) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_main_~#A~0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-12-09 19:05:41,254 INFO L262 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-12-09 19:05:41,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:05:41 BoogieIcfgContainer [2020-12-09 19:05:41,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:05:41,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:05:41,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:05:41,267 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:05:41,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:05:37" (3/4) ... [2020-12-09 19:05:41,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 19:05:41,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 19:05:41,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 19:05:41,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 19:05:41,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 19:05:41,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d7e16a8b-b3c8-4c57-9909-0b1308852813/bin/utaipan/witness.graphml [2020-12-09 19:05:41,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:05:41,299 INFO L168 Benchmark]: Toolchain (without parser) took 3812.15 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 67.8 MB in the beginning and 86.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:05:41,300 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 104.9 MB. Free memory is still 84.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:05:41,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.79 ms. Allocated memory is still 104.9 MB. Free memory was 67.6 MB in the beginning and 81.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:05:41,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.98 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 79.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:05:41,301 INFO L168 Benchmark]: Boogie Preprocessor took 15.00 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.6 MB in the end (delta: 900.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:05:41,301 INFO L168 Benchmark]: RCFGBuilder took 244.78 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 62.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 19:05:41,302 INFO L168 Benchmark]: TraceAbstraction took 3329.98 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 62.3 MB in the beginning and 88.3 MB in the end (delta: -26.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-09 19:05:41,302 INFO L168 Benchmark]: Witness Printer took 31.86 ms. Allocated memory is still 151.0 MB. Free memory was 88.3 MB in the beginning and 86.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:05:41,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 104.9 MB. Free memory is still 84.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 163.79 ms. Allocated memory is still 104.9 MB. Free memory was 67.6 MB in the beginning and 81.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 21.98 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 79.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.00 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.6 MB in the end (delta: 900.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 244.78 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 62.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3329.98 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 62.3 MB in the beginning and 88.3 MB in the end (delta: -26.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Witness Printer took 31.86 ms. Allocated memory is still 151.0 MB. Free memory was 88.3 MB in the beginning and 86.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((("array_3-1.c" <= 0 && 0 <= "0") && 0 <= i) && 0 <= A) && i <= 1024) && #NULL == 0) && 0 <= "array_3-1.c") && #NULL == 0) && "0" == 0) && 0 <= "array_3-1.c") && A == 0) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((0 <= "0" && 0 <= i) && "array_3-1.c" <= 0) && 0 <= A) && #NULL == 0) && i < 1024) && 0 <= "array_3-1.c") && #NULL == 0) && 0 <= "array_3-1.c") && A == 0) && "0" == 0) && 0 <= unknown-#StackHeapBarrier-unknown - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 70 SDslu, 35 SDs, 0 SdLazy, 82 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 13 NumberOfFragments, 75 HoareAnnotationTreeSize, 3 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 221 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 1765 SizeOfPredicates, 2 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 36/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 463, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 7, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 323, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 319, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 141, FLUID_QUERY_TIME[ms]: 2, FLUID_QUERIES: 23, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 96, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 307, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 307, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 1, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 6, DAG_COMPRESSION_PROCESSED_NODES: 51, DAG_COMPRESSION_RETAINED_NODES: 22, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...