./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/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 20e42866e96d3e66a15deabf6033f8c164622233 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 03:15:31,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:15:31,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:15:31,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:15:31,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:15:31,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:15:31,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:15:31,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:15:31,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:15:31,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:15:31,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:15:31,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:15:31,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:15:31,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:15:31,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:15:31,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:15:31,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:15:31,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:15:31,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:15:31,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:15:31,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:15:31,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:15:31,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:15:31,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:15:31,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:15:31,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:15:31,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:15:31,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:15:31,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:15:31,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:15:31,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:15:31,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:15:31,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:15:31,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:15:31,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:15:31,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:15:31,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:15:31,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:15:31,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:15:31,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:15:31,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:15:31,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 03:15:31,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:15:31,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:15:31,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:15:31,732 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:15:31,732 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:15:31,732 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:15:31,733 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:15:31,733 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:15:31,733 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:15:31,733 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:15:31,735 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:15:31,735 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:15:31,735 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:15:31,735 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:15:31,736 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:15:31,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:15:31,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:15:31,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:15:31,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:15:31,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:15:31,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:15:31,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:15:31,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:15:31,738 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:15:31,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:15:31,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:15:31,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:15:31,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:15:31,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:15:31,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:15:31,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:15:31,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:15:31,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:15:31,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:15:31,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:15:31,742 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:15:31,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:15:31,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:15:31,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:15:31,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:15:31,743 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_842d36fc-2d61-4cb9-a4db-a645daf5e580/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20e42866e96d3e66a15deabf6033f8c164622233 [2020-11-30 03:15:32,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:15:32,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:15:32,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:15:32,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:15:32,196 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:15:32,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2020-11-30 03:15:32,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/data/7c8c8184f/db12f98f3d1349889ff2ca66620b5109/FLAG32ac1d5d5 [2020-11-30 03:15:32,948 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:15:32,949 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2020-11-30 03:15:32,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/data/7c8c8184f/db12f98f3d1349889ff2ca66620b5109/FLAG32ac1d5d5 [2020-11-30 03:15:33,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/data/7c8c8184f/db12f98f3d1349889ff2ca66620b5109 [2020-11-30 03:15:33,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:15:33,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:15:33,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:15:33,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:15:33,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:15:33,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2887eba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33, skipping insertion in model container [2020-11-30 03:15:33,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:15:33,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:15:33,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:15:33,625 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:15:33,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:15:33,714 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:15:33,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33 WrapperNode [2020-11-30 03:15:33,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:15:33,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:15:33,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:15:33,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:15:33,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:15:33,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:15:33,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:15:33,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:15:33,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... [2020-11-30 03:15:33,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:15:33,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:15:33,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:15:33,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:15:33,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/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 [2020-11-30 03:15:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:15:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:15:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:15:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:15:34,714 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:15:34,715 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 03:15:34,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:34 BoogieIcfgContainer [2020-11-30 03:15:34,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:15:34,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:15:34,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:15:34,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:15:34,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:15:33" (1/3) ... [2020-11-30 03:15:34,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4269ca46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:15:34, skipping insertion in model container [2020-11-30 03:15:34,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:33" (2/3) ... [2020-11-30 03:15:34,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4269ca46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:15:34, skipping insertion in model container [2020-11-30 03:15:34,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:34" (3/3) ... [2020-11-30 03:15:34,735 INFO L111 eAbstractionObserver]: Analyzing ICFG divbin_unwindbound2.i [2020-11-30 03:15:34,750 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:15:34,759 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-30 03:15:34,778 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-30 03:15:34,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:15:34,825 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:15:34,825 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:15:34,825 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:15:34,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:15:34,826 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:15:34,826 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:15:34,826 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:15:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-30 03:15:34,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 03:15:34,847 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:34,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:34,849 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:34,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:34,856 INFO L82 PathProgramCache]: Analyzing trace with hash 677699308, now seen corresponding path program 1 times [2020-11-30 03:15:34,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:15:34,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757081200] [2020-11-30 03:15:34,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:15:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:35,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757081200] [2020-11-30 03:15:35,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:35,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:15:35,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612391844] [2020-11-30 03:15:35,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 03:15:35,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:15:35,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 03:15:35,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:15:35,089 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-11-30 03:15:35,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:35,114 INFO L93 Difference]: Finished difference Result 32 states and 47 transitions. [2020-11-30 03:15:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 03:15:35,116 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-30 03:15:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:35,141 INFO L225 Difference]: With dead ends: 32 [2020-11-30 03:15:35,141 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 03:15:35,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:15:35,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 03:15:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-30 03:15:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-30 03:15:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2020-11-30 03:15:35,197 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 7 [2020-11-30 03:15:35,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:35,198 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2020-11-30 03:15:35,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 03:15:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2020-11-30 03:15:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 03:15:35,199 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:35,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:35,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 03:15:35,200 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:35,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:35,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1361592338, now seen corresponding path program 1 times [2020-11-30 03:15:35,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:15:35,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187660011] [2020-11-30 03:15:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:15:35,231 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 03:15:35,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931433639] [2020-11-30 03:15:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/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 [2020-11-30 03:15:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:35,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 03:15:35,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:35,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:35,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187660011] [2020-11-30 03:15:35,412 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 03:15:35,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931433639] [2020-11-30 03:15:35,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:35,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-30 03:15:35,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024267850] [2020-11-30 03:15:35,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 03:15:35,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:15:35,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 03:15:35,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 03:15:35,417 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 6 states. [2020-11-30 03:15:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:35,528 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2020-11-30 03:15:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 03:15:35,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2020-11-30 03:15:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:35,530 INFO L225 Difference]: With dead ends: 34 [2020-11-30 03:15:35,531 INFO L226 Difference]: Without dead ends: 22 [2020-11-30 03:15:35,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 03:15:35,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-30 03:15:35,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-11-30 03:15:35,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-30 03:15:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-11-30 03:15:35,538 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 8 [2020-11-30 03:15:35,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:35,538 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-11-30 03:15:35,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 03:15:35,539 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-11-30 03:15:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 03:15:35,539 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:35,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:35,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-30 03:15:35,742 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:35,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:35,744 INFO L82 PathProgramCache]: Analyzing trace with hash 770735189, now seen corresponding path program 1 times [2020-11-30 03:15:35,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:15:35,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297526026] [2020-11-30 03:15:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:15:35,763 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 03:15:35,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275696526] [2020-11-30 03:15:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/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 [2020-11-30 03:15:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:35,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 03:15:35,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:35,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:35,981 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 03:15:38,052 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (div c_ULTIMATE.start_main_~r~0 4294967296)) (.cse2 (div (+ c_ULTIMATE.start_main_~r~0 (- 4294967296)) 4294967296)) (.cse5 (= c_ULTIMATE.start_main_~q~0 0))) (let ((.cse0 (not .cse5)) (.cse1 (* (mod c_ULTIMATE.start_main_~A~0 4294967296) (- 1))) (.cse3 (<= .cse4 .cse2))) (and (or .cse0 (<= (div (+ .cse1 c_ULTIMATE.start_main_~r~0 (- 1)) 4294967296) .cse2) .cse3) (or .cse0 (<= .cse4 (div (+ .cse1 c_ULTIMATE.start_main_~r~0) 4294967296)) .cse3) (or (forall ((aux_div_ULTIMATE.start_main_~b~0_99 Int) (aux_mod_ULTIMATE.start_main_~b~0_99 Int)) (or (not (= (mod (+ (* aux_div_ULTIMATE.start_main_~b~0_99 4294967296) (* c_ULTIMATE.start_main_~r~0 (- 1)) aux_mod_ULTIMATE.start_main_~b~0_99) c_ULTIMATE.start_main_~q~0) 0)) (< aux_mod_ULTIMATE.start_main_~b~0_99 0) (<= 4294967296 aux_mod_ULTIMATE.start_main_~b~0_99) (= aux_mod_ULTIMATE.start_main_~b~0_99 (mod c_ULTIMATE.start_main_~A~0 4294967296)))) .cse5)))) is different from false [2020-11-30 03:15:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:38,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297526026] [2020-11-30 03:15:38,162 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 03:15:38,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275696526] [2020-11-30 03:15:38,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:38,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 03:15:38,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644412777] [2020-11-30 03:15:38,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 03:15:38,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:15:38,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 03:15:38,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2020-11-30 03:15:38,166 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-11-30 03:15:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:38,307 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2020-11-30 03:15:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 03:15:38,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-30 03:15:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:38,311 INFO L225 Difference]: With dead ends: 37 [2020-11-30 03:15:38,311 INFO L226 Difference]: Without dead ends: 28 [2020-11-30 03:15:38,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=11, Invalid=12, Unknown=1, NotChecked=6, Total=30 [2020-11-30 03:15:38,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-30 03:15:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2020-11-30 03:15:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 03:15:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-11-30 03:15:38,324 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 9 [2020-11-30 03:15:38,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:38,324 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-11-30 03:15:38,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 03:15:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-11-30 03:15:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 03:15:38,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:38,325 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:38,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 03:15:38,526 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:38,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:38,527 INFO L82 PathProgramCache]: Analyzing trace with hash 83412096, now seen corresponding path program 1 times [2020-11-30 03:15:38,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:15:38,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601921937] [2020-11-30 03:15:38,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:15:38,545 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 03:15:38,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26961472] [2020-11-30 03:15:38,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/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 [2020-11-30 03:15:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:38,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 03:15:38,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:38,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:38,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601921937] [2020-11-30 03:15:38,754 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 03:15:38,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26961472] [2020-11-30 03:15:38,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [782473466] [2020-11-30 03:15:38,783 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2020-11-30 03:15:38,784 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 03:15:38,788 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 03:15:38,794 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 03:15:38,795 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 03:15:38,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-11-30 03:15:39,176 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 03:15:39,706 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-30 03:15:40,030 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-11-30 03:15:40,323 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-30 03:15:40,722 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-11-30 03:15:41,051 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-11-30 03:15:43,508 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2020-11-30 03:15:43,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-11-30 03:15:43,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 5] total 11 [2020-11-30 03:15:43,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22165891] [2020-11-30 03:15:43,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 03:15:43,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:15:43,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 03:15:43,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-11-30 03:15:43,572 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-11-30 03:15:43,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:43,805 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2020-11-30 03:15:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 03:15:43,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-11-30 03:15:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:43,808 INFO L225 Difference]: With dead ends: 41 [2020-11-30 03:15:43,808 INFO L226 Difference]: Without dead ends: 25 [2020-11-30 03:15:43,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-11-30 03:15:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-30 03:15:43,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-30 03:15:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 03:15:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2020-11-30 03:15:43,814 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2020-11-30 03:15:43,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:43,814 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2020-11-30 03:15:43,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 03:15:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-11-30 03:15:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 03:15:43,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:43,815 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:44,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 03:15:44,033 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:44,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:44,033 INFO L82 PathProgramCache]: Analyzing trace with hash 578455298, now seen corresponding path program 1 times [2020-11-30 03:15:44,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:15:44,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579904479] [2020-11-30 03:15:44,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:15:44,057 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 03:15:44,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161900239] [2020-11-30 03:15:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 03:15:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:44,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 03:15:44,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 03:15:44,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 03:15:44,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579904479] [2020-11-30 03:15:44,212 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 03:15:44,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161900239] [2020-11-30 03:15:44,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:44,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 03:15:44,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858245215] [2020-11-30 03:15:44,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 03:15:44,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:15:44,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 03:15:44,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 03:15:44,214 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 6 states. [2020-11-30 03:15:44,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:44,261 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2020-11-30 03:15:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 03:15:44,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-30 03:15:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:44,266 INFO L225 Difference]: With dead ends: 25 [2020-11-30 03:15:44,266 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 03:15:44,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-30 03:15:44,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 03:15:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 03:15:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 03:15:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 03:15:44,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-11-30 03:15:44,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:44,268 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 03:15:44,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 03:15:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 03:15:44,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 03:15:44,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 03:15:44,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 03:15:44,826 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-11-30 03:15:45,119 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-11-30 03:15:45,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 03:15:45,128 INFO L274 CegarLoopResult]: For program point L19(lines 19 22) no Hoare annotation was computed. [2020-11-30 03:15:45,128 INFO L270 CegarLoopResult]: At program point L19-1(line 42) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string0.base|))) (and (= |#t~string1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (< (mod ULTIMATE.start_main_~r~0 4294967296) (mod ULTIMATE.start_main_~b~0 4294967296)) (= |#NULL.base| 0) (= (select .cse0 |#t~string0.offset|) 48) (< (mod ULTIMATE.start_main_~B~0 4294967296) 2147483647) (= (select |#valid| 0) 0) (= (select .cse0 (+ |#t~string0.offset| 1)) 0) (= (select |#length| |#t~string1.base|) 9) (= 2 (select |#length| |#t~string0.base|)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 1) (= ~counter~0 2) (< |#StackHeapBarrier| |#t~string0.base|) (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~b~0) (= (select |#valid| |#t~string0.base|) 1) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| ULTIMATE.start_assume_abort_if_not_~cond) (< 0 |#StackHeapBarrier|) (= ULTIMATE.start_main_~q~0 0) (< |#StackHeapBarrier| |#t~string1.base|) (= |#NULL.offset| 0) (= (select |#valid| |#t~string1.base|) 1) (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| 1) (= |#t~string0.offset| 0))) [2020-11-30 03:15:45,129 INFO L274 CegarLoopResult]: For program point L19-2(lines 19 22) no Hoare annotation was computed. [2020-11-30 03:15:45,129 INFO L277 CegarLoopResult]: At program point L19-3(lines 18 24) the Hoare annotation is: true [2020-11-30 03:15:45,129 INFO L274 CegarLoopResult]: For program point L40(lines 40 49) no Hoare annotation was computed. [2020-11-30 03:15:45,129 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 49) no Hoare annotation was computed. [2020-11-30 03:15:45,129 INFO L274 CegarLoopResult]: For program point L36-1(lines 36 39) no Hoare annotation was computed. [2020-11-30 03:15:45,130 INFO L270 CegarLoopResult]: At program point L36-3(lines 36 39) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~q~0 0)) (.cse1 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0))) (or (and (<= 1 ~counter~0) .cse0 .cse1) (let ((.cse2 (select |#memory_int| |#t~string0.base|)) (.cse3 (mod ULTIMATE.start_main_~B~0 4294967296))) (and (= |#t~string1.offset| 0) (= |#NULL.base| 0) (= (select .cse2 |#t~string0.offset|) 48) (< .cse3 2147483647) (= (select .cse2 (+ |#t~string0.offset| 1)) 0) (= (select |#valid| 0) 0) (= (select |#length| |#t~string1.base|) 9) (= 2 (select |#length| |#t~string0.base|)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 1) (< |#StackHeapBarrier| |#t~string0.base|) (<= 1 .cse3) (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~b~0) (= (select |#valid| |#t~string0.base|) 1) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| ULTIMATE.start_assume_abort_if_not_~cond) (< 0 |#StackHeapBarrier|) .cse0 (< |#StackHeapBarrier| |#t~string1.base|) (= |#NULL.offset| 0) (= (select |#valid| |#t~string1.base|) 1) .cse1 (<= 0 ~counter~0) (= |#t~string0.offset| 0))))) [2020-11-30 03:15:45,130 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 03:15:45,130 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 03:15:45,131 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 03:15:45,131 INFO L274 CegarLoopResult]: For program point L45-2(lines 26 52) no Hoare annotation was computed. [2020-11-30 03:15:45,131 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-30 03:15:45,131 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-30 03:15:45,131 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-30 03:15:45,131 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 03:15:45,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 03:15:45,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:15:45 BoogieIcfgContainer [2020-11-30 03:15:45,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:15:45,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:15:45,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:15:45,209 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:15:45,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:34" (3/4) ... [2020-11-30 03:15:45,214 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 03:15:45,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-30 03:15:45,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-30 03:15:45,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 03:15:45,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:15:45,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= counter && q == 0) && A == r) || ((((((((((((((((((((("divbin.c" == 0 && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && B % 4294967296 < 2147483647) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && unknown-#length-unknown["divbin.c"] == 9) && 2 == unknown-#length-unknown["0"]) && \old(cond) == 1) && unknown-#StackHeapBarrier-unknown < "0") && 1 <= B % 4294967296) && B == b) && \valid["0"] == 1) && \old(cond) == cond) && 0 < unknown-#StackHeapBarrier-unknown) && q == 0) && unknown-#StackHeapBarrier-unknown < "divbin.c") && #NULL == 0) && \valid["divbin.c"] == 1) && A == r) && 0 <= counter) && "0" == 0) [2020-11-30 03:15:45,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((("divbin.c" == 0 && \old(cond) == cond) && r % 4294967296 < b % 4294967296) && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && B % 4294967296 < 2147483647) && \valid[0] == 0) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && unknown-#length-unknown["divbin.c"] == 9) && 2 == unknown-#length-unknown["0"]) && \old(cond) == 1) && counter == 2) && unknown-#StackHeapBarrier-unknown < "0") && B == b) && \valid["0"] == 1) && \old(cond) == cond) && 0 < unknown-#StackHeapBarrier-unknown) && q == 0) && unknown-#StackHeapBarrier-unknown < "divbin.c") && #NULL == 0) && \valid["divbin.c"] == 1) && A == r) && \old(cond) == 1) && "0" == 0 [2020-11-30 03:15:45,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_842d36fc-2d61-4cb9-a4db-a645daf5e580/bin/utaipan/witness.graphml [2020-11-30 03:15:45,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:15:45,337 INFO L168 Benchmark]: Toolchain (without parser) took 12041.88 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 103.3 MB in the beginning and 136.2 MB in the end (delta: -32.9 MB). Peak memory consumption was 83.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:45,337 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:15:45,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.72 ms. Allocated memory is still 132.1 MB. Free memory was 103.3 MB in the beginning and 109.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:45,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 132.1 MB. Free memory was 109.2 MB in the beginning and 107.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:45,339 INFO L168 Benchmark]: Boogie Preprocessor took 42.90 ms. Allocated memory is still 132.1 MB. Free memory was 107.6 MB in the beginning and 106.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:15:45,340 INFO L168 Benchmark]: RCFGBuilder took 900.32 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 84.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:45,342 INFO L168 Benchmark]: TraceAbstraction took 10486.93 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 83.7 MB in the beginning and 52.9 MB in the end (delta: 30.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:45,343 INFO L168 Benchmark]: Witness Printer took 126.71 ms. Allocated memory is still 159.4 MB. Free memory was 51.9 MB in the beginning and 136.2 MB in the end (delta: -84.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:45,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.72 ms. Allocated memory is still 132.1 MB. Free memory was 103.3 MB in the beginning and 109.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 132.1 MB. Free memory was 109.2 MB in the beginning and 107.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.90 ms. Allocated memory is still 132.1 MB. Free memory was 107.6 MB in the beginning and 106.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 900.32 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 84.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10486.93 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 83.7 MB in the beginning and 52.9 MB in the end (delta: 30.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. * Witness Printer took 126.71 ms. Allocated memory is still 159.4 MB. Free memory was 51.9 MB in the beginning and 136.2 MB in the end (delta: -84.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant [2020-11-30 03:15:45,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((1 <= counter && q == 0) && A == r) || ((((((((((((((((((((("divbin.c" == 0 && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && B % 4294967296 < 2147483647) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && unknown-#length-unknown["divbin.c"] == 9) && 2 == unknown-#length-unknown["0"]) && \old(cond) == 1) && unknown-#StackHeapBarrier-unknown < "0") && 1 <= B % 4294967296) && B == b) && \valid["0"] == 1) && \old(cond) == cond) && 0 < unknown-#StackHeapBarrier-unknown) && q == 0) && unknown-#StackHeapBarrier-unknown < "divbin.c") && #NULL == 0) && \valid["divbin.c"] == 1) && A == r) && 0 <= counter) && "0" == 0) - InvariantResult [Line: 42]: Loop Invariant [2020-11-30 03:15:45,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 03:15:45,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 03:15:45,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 03:15:45,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 03:15:45,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((((((((((((((((("divbin.c" == 0 && \old(cond) == cond) && r % 4294967296 < b % 4294967296) && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && B % 4294967296 < 2147483647) && \valid[0] == 0) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && unknown-#length-unknown["divbin.c"] == 9) && 2 == unknown-#length-unknown["0"]) && \old(cond) == 1) && counter == 2) && unknown-#StackHeapBarrier-unknown < "0") && B == b) && \valid["0"] == 1) && \old(cond) == cond) && 0 < unknown-#StackHeapBarrier-unknown) && q == 0) && unknown-#StackHeapBarrier-unknown < "divbin.c") && #NULL == 0) && \valid["divbin.c"] == 1) && A == r) && \old(cond) == 1) && "0" == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 20 SDslu, 128 SDs, 0 SdLazy, 103 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 202 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 5 QuantifiedInterpolants, 5720 SizeOfPredicates, 11 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 16/18 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]: 393, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 281, 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: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 274, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 254, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 25, 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: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 44, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, 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]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 100, DAG_COMPRESSION_RETAINED_NODES: 33, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...