./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:02:50,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:02:50,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:02:50,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:02:50,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:02:50,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:02:50,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:02:50,544 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:02:50,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:02:50,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:02:50,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:02:50,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:02:50,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:02:50,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:02:50,547 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:02:50,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:02:50,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:02:50,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:02:50,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:02:50,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:02:50,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:02:50,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:02:50,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:02:50,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:02:50,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:02:50,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:02:50,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:02:50,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:02:50,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:02:50,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:02:50,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:02:50,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:02:50,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:02:50,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:02:50,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:02:50,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:02:50,558 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:02:50,565 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:02:50,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:02:50,566 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:02:50,566 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:02:50,566 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:02:50,566 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:02:50,566 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:02:50,567 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:02:50,567 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:02:50,567 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:02:50,567 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:02:50,567 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:02:50,567 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:02:50,568 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:02:50,568 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:02:50,569 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:02:50,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:02:50,570 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:02:50,570 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:02:50,570 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:02:50,570 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:02:50,570 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:02:50,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:02:50,570 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:02:50,571 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/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(__VERIFIER_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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-12-09 10:02:50,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:02:50,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:02:50,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:02:50,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:02:50,599 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:02:50,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-09 10:02:50,633 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/data/57fa3b2c4/faa43416f4e644ca997810f03b1730ed/FLAG7364db000 [2018-12-09 10:02:51,129 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:02:51,129 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-09 10:02:51,137 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/data/57fa3b2c4/faa43416f4e644ca997810f03b1730ed/FLAG7364db000 [2018-12-09 10:02:51,146 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/data/57fa3b2c4/faa43416f4e644ca997810f03b1730ed [2018-12-09 10:02:51,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:02:51,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:02:51,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:02:51,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:02:51,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:02:51,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51, skipping insertion in model container [2018-12-09 10:02:51,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:02:51,193 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:02:51,417 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:02:51,421 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:02:51,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:02:51,559 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:02:51,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51 WrapperNode [2018-12-09 10:02:51,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:02:51,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:02:51,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:02:51,561 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:02:51,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:02:51,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:02:51,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:02:51,588 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:02:51,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:02:51,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:02:51,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:02:51,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:02:51,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/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 [2018-12-09 10:02:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:02:51,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:02:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 10:02:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 10:02:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:02:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:02:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:02:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:02:52,373 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:02:52,373 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 10:02:52,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:02:52 BoogieIcfgContainer [2018-12-09 10:02:52,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:02:52,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:02:52,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:02:52,377 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:02:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:02:51" (1/3) ... [2018-12-09 10:02:52,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:02:52, skipping insertion in model container [2018-12-09 10:02:52,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:02:51" (2/3) ... [2018-12-09 10:02:52,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:02:52, skipping insertion in model container [2018-12-09 10:02:52,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:02:52" (3/3) ... [2018-12-09 10:02:52,381 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-12-09 10:02:52,390 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:02:52,397 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:02:52,412 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:02:52,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:02:52,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:02:52,441 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:02:52,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:02:52,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:02:52,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:02:52,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:02:52,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:02:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 10:02:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 10:02:52,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:02:52,462 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:02:52,464 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:02:52,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:52,468 INFO L82 PathProgramCache]: Analyzing trace with hash -950257557, now seen corresponding path program 1 times [2018-12-09 10:02:52,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:02:52,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:52,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:02:52,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:52,500 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:02:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:52,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:02:52,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:02:52,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:02:52,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:02:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:02:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:02:52,673 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-09 10:02:53,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:02:53,248 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-09 10:02:53,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:02:53,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-12-09 10:02:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:02:53,258 INFO L225 Difference]: With dead ends: 688 [2018-12-09 10:02:53,258 INFO L226 Difference]: Without dead ends: 372 [2018-12-09 10:02:53,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:02:53,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-09 10:02:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-09 10:02:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-09 10:02:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 584 transitions. [2018-12-09 10:02:53,312 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 584 transitions. Word has length 62 [2018-12-09 10:02:53,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:02:53,312 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 584 transitions. [2018-12-09 10:02:53,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:02:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 584 transitions. [2018-12-09 10:02:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 10:02:53,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:02:53,315 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:02:53,316 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:02:53,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:53,316 INFO L82 PathProgramCache]: Analyzing trace with hash -955889055, now seen corresponding path program 1 times [2018-12-09 10:02:53,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:02:53,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:53,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:02:53,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:53,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:02:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:53,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:02:53,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:02:53,413 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:02:53,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:02:53,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:02:53,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:02:53,414 INFO L87 Difference]: Start difference. First operand 372 states and 584 transitions. Second operand 6 states. [2018-12-09 10:02:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:02:54,049 INFO L93 Difference]: Finished difference Result 1126 states and 1797 transitions. [2018-12-09 10:02:54,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:02:54,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-09 10:02:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:02:54,054 INFO L225 Difference]: With dead ends: 1126 [2018-12-09 10:02:54,054 INFO L226 Difference]: Without dead ends: 760 [2018-12-09 10:02:54,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:02:54,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2018-12-09 10:02:54,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2018-12-09 10:02:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2018-12-09 10:02:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1095 transitions. [2018-12-09 10:02:54,086 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1095 transitions. Word has length 141 [2018-12-09 10:02:54,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:02:54,086 INFO L480 AbstractCegarLoop]: Abstraction has 748 states and 1095 transitions. [2018-12-09 10:02:54,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:02:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1095 transitions. [2018-12-09 10:02:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 10:02:54,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:02:54,090 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:02:54,090 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:02:54,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:54,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1117315654, now seen corresponding path program 1 times [2018-12-09 10:02:54,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:02:54,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:54,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:02:54,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:54,092 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:02:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:54,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:02:54,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:02:54,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:02:54,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:02:54,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:02:54,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:02:54,171 INFO L87 Difference]: Start difference. First operand 748 states and 1095 transitions. Second operand 4 states. [2018-12-09 10:02:54,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:02:54,825 INFO L93 Difference]: Finished difference Result 1858 states and 2695 transitions. [2018-12-09 10:02:54,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:02:54,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-12-09 10:02:54,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:02:54,830 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 10:02:54,831 INFO L226 Difference]: Without dead ends: 1116 [2018-12-09 10:02:54,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:02:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-09 10:02:54,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 932. [2018-12-09 10:02:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-12-09 10:02:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1253 transitions. [2018-12-09 10:02:54,856 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1253 transitions. Word has length 174 [2018-12-09 10:02:54,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:02:54,857 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1253 transitions. [2018-12-09 10:02:54,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:02:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1253 transitions. [2018-12-09 10:02:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 10:02:54,860 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:02:54,860 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:02:54,860 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:02:54,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:54,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1149985643, now seen corresponding path program 1 times [2018-12-09 10:02:54,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:02:54,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:54,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:02:54,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:54,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:02:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:55,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:02:55,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:02:55,097 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:02:55,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:02:55,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:02:55,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:02:55,098 INFO L87 Difference]: Start difference. First operand 932 states and 1253 transitions. Second operand 6 states. [2018-12-09 10:02:55,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:02:55,864 INFO L93 Difference]: Finished difference Result 2258 states and 3067 transitions. [2018-12-09 10:02:55,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 10:02:55,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-09 10:02:55,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:02:55,870 INFO L225 Difference]: With dead ends: 2258 [2018-12-09 10:02:55,870 INFO L226 Difference]: Without dead ends: 1332 [2018-12-09 10:02:55,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:02:55,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2018-12-09 10:02:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1124. [2018-12-09 10:02:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-09 10:02:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1460 transitions. [2018-12-09 10:02:55,901 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1460 transitions. Word has length 227 [2018-12-09 10:02:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:02:55,901 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1460 transitions. [2018-12-09 10:02:55,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:02:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1460 transitions. [2018-12-09 10:02:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-12-09 10:02:55,906 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:02:55,907 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:02:55,907 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:02:55,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:55,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1540192005, now seen corresponding path program 1 times [2018-12-09 10:02:55,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:02:55,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:55,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:02:55,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:02:55,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:02:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 251 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 10:02:56,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:02:56,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:02:56,385 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 410 with the following transitions: [2018-12-09 10:02:56,386 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [822], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 10:02:56,413 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:02:56,413 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:02:59,840 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:02:59,841 INFO L272 AbstractInterpreter]: Visited 160 different actions 313 times. Merged at 3 different actions 3 times. Never widened. Performed 3146 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 10:02:59,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:59,848 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:03:01,486 INFO L227 lantSequenceWeakener]: Weakened 406 states. On average, predicates are now at 77.82% of their original sizes. [2018-12-09 10:03:01,486 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:03:01,536 INFO L418 sIntCurrentIteration]: We unified 408 AI predicates to 408 [2018-12-09 10:03:01,537 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:03:01,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:03:01,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-09 10:03:01,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:03:01,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:03:01,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:03:01,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:03:01,538 INFO L87 Difference]: Start difference. First operand 1124 states and 1460 transitions. Second operand 10 states. [2018-12-09 10:03:29,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:03:29,089 INFO L93 Difference]: Finished difference Result 3006 states and 3839 transitions. [2018-12-09 10:03:29,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 10:03:29,089 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 409 [2018-12-09 10:03:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:03:29,093 INFO L225 Difference]: With dead ends: 3006 [2018-12-09 10:03:29,093 INFO L226 Difference]: Without dead ends: 1888 [2018-12-09 10:03:29,094 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 417 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:03:29,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2018-12-09 10:03:29,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1856. [2018-12-09 10:03:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2018-12-09 10:03:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2242 transitions. [2018-12-09 10:03:29,117 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2242 transitions. Word has length 409 [2018-12-09 10:03:29,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:03:29,117 INFO L480 AbstractCegarLoop]: Abstraction has 1856 states and 2242 transitions. [2018-12-09 10:03:29,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:03:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2242 transitions. [2018-12-09 10:03:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-12-09 10:03:29,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:03:29,125 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:03:29,125 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:03:29,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:03:29,125 INFO L82 PathProgramCache]: Analyzing trace with hash -827518533, now seen corresponding path program 1 times [2018-12-09 10:03:29,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:03:29,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:03:29,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:03:29,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:03:29,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:03:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 448 proven. 112 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-09 10:03:29,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:03:29,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:03:29,430 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 545 with the following transitions: [2018-12-09 10:03:29,430 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [822], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 10:03:29,433 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:03:29,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:03:35,674 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:03:35,674 INFO L272 AbstractInterpreter]: Visited 161 different actions 480 times. Merged at 6 different actions 17 times. Never widened. Performed 4989 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 10:03:35,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:03:35,676 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:03:36,554 INFO L227 lantSequenceWeakener]: Weakened 541 states. On average, predicates are now at 80.37% of their original sizes. [2018-12-09 10:03:36,554 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:03:36,585 INFO L418 sIntCurrentIteration]: We unified 543 AI predicates to 543 [2018-12-09 10:03:36,585 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:03:36,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:03:36,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-09 10:03:36,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:03:36,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:03:36,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:03:36,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:03:36,586 INFO L87 Difference]: Start difference. First operand 1856 states and 2242 transitions. Second operand 9 states. [2018-12-09 10:03:50,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:03:50,845 INFO L93 Difference]: Finished difference Result 3556 states and 4439 transitions. [2018-12-09 10:03:50,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 10:03:50,845 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 544 [2018-12-09 10:03:50,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:03:50,849 INFO L225 Difference]: With dead ends: 3556 [2018-12-09 10:03:50,850 INFO L226 Difference]: Without dead ends: 2438 [2018-12-09 10:03:50,851 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 550 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 10:03:50,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2018-12-09 10:03:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2420. [2018-12-09 10:03:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2018-12-09 10:03:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2947 transitions. [2018-12-09 10:03:50,878 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2947 transitions. Word has length 544 [2018-12-09 10:03:50,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:03:50,878 INFO L480 AbstractCegarLoop]: Abstraction has 2420 states and 2947 transitions. [2018-12-09 10:03:50,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:03:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2947 transitions. [2018-12-09 10:03:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2018-12-09 10:03:50,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:03:50,882 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:03:50,883 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:03:50,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:03:50,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1146384954, now seen corresponding path program 1 times [2018-12-09 10:03:50,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:03:50,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:03:50,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:03:50,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:03:50,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:03:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 369 proven. 289 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-12-09 10:03:51,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:03:51,079 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:03:51,079 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 593 with the following transitions: [2018-12-09 10:03:51,080 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [822], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 10:03:51,082 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:03:51,083 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:03:55,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:03:55,547 INFO L272 AbstractInterpreter]: Visited 163 different actions 652 times. Merged at 8 different actions 33 times. Never widened. Performed 6755 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6755 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 10:03:55,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:03:55,549 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:03:55,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:03:55,549 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:03:55,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:03:55,555 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:03:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:55,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:03:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 723 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-12-09 10:03:55,806 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:03:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 369 proven. 289 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-12-09 10:03:55,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:03:55,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 10:03:55,997 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:03:55,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:03:55,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:03:55,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:03:55,998 INFO L87 Difference]: Start difference. First operand 2420 states and 2947 transitions. Second operand 9 states. [2018-12-09 10:03:58,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:03:58,396 INFO L93 Difference]: Finished difference Result 4864 states and 6137 transitions. [2018-12-09 10:03:58,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-09 10:03:58,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 592 [2018-12-09 10:03:58,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:03:58,399 INFO L225 Difference]: With dead ends: 4864 [2018-12-09 10:03:58,399 INFO L226 Difference]: Without dead ends: 2442 [2018-12-09 10:03:58,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1232 GetRequests, 1200 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-12-09 10:03:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2018-12-09 10:03:58,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2244. [2018-12-09 10:03:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2018-12-09 10:03:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 2656 transitions. [2018-12-09 10:03:58,424 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 2656 transitions. Word has length 592 [2018-12-09 10:03:58,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:03:58,424 INFO L480 AbstractCegarLoop]: Abstraction has 2244 states and 2656 transitions. [2018-12-09 10:03:58,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:03:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2656 transitions. [2018-12-09 10:03:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2018-12-09 10:03:58,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:03:58,428 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:03:58,428 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:03:58,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:03:58,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1639280572, now seen corresponding path program 1 times [2018-12-09 10:03:58,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:03:58,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:03:58,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:03:58,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:03:58,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:03:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 586 proven. 458 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 10:03:59,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:03:59,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:03:59,017 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 617 with the following transitions: [2018-12-09 10:03:59,017 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [822], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 10:03:59,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:03:59,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:04:05,942 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:04:05,942 INFO L272 AbstractInterpreter]: Visited 163 different actions 645 times. Merged at 8 different actions 26 times. Never widened. Performed 6841 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6841 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 10:04:05,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:04:05,944 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:04:05,944 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:04:05,944 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:04:05,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:04:05,976 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:04:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:04:06,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:04:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 917 proven. 2 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-09 10:04:06,305 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:04:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 582 proven. 112 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-12-09 10:04:06,699 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:04:06,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-09 10:04:06,699 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:04:06,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 10:04:06,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 10:04:06,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:04:06,700 INFO L87 Difference]: Start difference. First operand 2244 states and 2656 transitions. Second operand 17 states. [2018-12-09 10:04:08,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:04:08,672 INFO L93 Difference]: Finished difference Result 4592 states and 5628 transitions. [2018-12-09 10:04:08,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-09 10:04:08,672 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 616 [2018-12-09 10:04:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:04:08,676 INFO L225 Difference]: With dead ends: 4592 [2018-12-09 10:04:08,676 INFO L226 Difference]: Without dead ends: 2579 [2018-12-09 10:04:08,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1280 GetRequests, 1238 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1376, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 10:04:08,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2018-12-09 10:04:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2432. [2018-12-09 10:04:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2432 states. [2018-12-09 10:04:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 2638 transitions. [2018-12-09 10:04:08,708 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 2638 transitions. Word has length 616 [2018-12-09 10:04:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:04:08,708 INFO L480 AbstractCegarLoop]: Abstraction has 2432 states and 2638 transitions. [2018-12-09 10:04:08,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 10:04:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 2638 transitions. [2018-12-09 10:04:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2018-12-09 10:04:08,713 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:04:08,713 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:04:08,713 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:04:08,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:04:08,713 INFO L82 PathProgramCache]: Analyzing trace with hash -657855774, now seen corresponding path program 1 times [2018-12-09 10:04:08,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:04:08,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:04:08,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:04:08,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:04:08,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:04:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:04:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 512 proven. 513 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-12-09 10:04:09,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:04:09,462 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:04:09,462 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 691 with the following transitions: [2018-12-09 10:04:09,462 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [822], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 10:04:09,464 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:04:09,464 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:04:13,317 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:04:13,317 INFO L272 AbstractInterpreter]: Visited 191 different actions 760 times. Merged at 9 different actions 29 times. Widened at 1 different actions 1 times. Performed 8299 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 10:04:13,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:04:13,319 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:04:13,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:04:13,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:04:13,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:04:13,324 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:04:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:04:13,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:04:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 990 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-12-09 10:04:13,658 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:04:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 511 proven. 228 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2018-12-09 10:04:14,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:04:14,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-12-09 10:04:14,060 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:04:14,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 10:04:14,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 10:04:14,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-12-09 10:04:14,061 INFO L87 Difference]: Start difference. First operand 2432 states and 2638 transitions. Second operand 17 states. [2018-12-09 10:04:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:04:16,593 INFO L93 Difference]: Finished difference Result 5116 states and 5766 transitions. [2018-12-09 10:04:16,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-09 10:04:16,594 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 690 [2018-12-09 10:04:16,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:04:16,599 INFO L225 Difference]: With dead ends: 5116 [2018-12-09 10:04:16,599 INFO L226 Difference]: Without dead ends: 2870 [2018-12-09 10:04:16,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1452 GetRequests, 1400 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=595, Invalid=2267, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 10:04:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2018-12-09 10:04:16,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2806. [2018-12-09 10:04:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2806 states. [2018-12-09 10:04:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3043 transitions. [2018-12-09 10:04:16,632 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3043 transitions. Word has length 690 [2018-12-09 10:04:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:04:16,632 INFO L480 AbstractCegarLoop]: Abstraction has 2806 states and 3043 transitions. [2018-12-09 10:04:16,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 10:04:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3043 transitions. [2018-12-09 10:04:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2018-12-09 10:04:16,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:04:16,637 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:04:16,637 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:04:16,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:04:16,638 INFO L82 PathProgramCache]: Analyzing trace with hash -200653041, now seen corresponding path program 2 times [2018-12-09 10:04:16,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:04:16,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:04:16,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:04:16,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:04:16,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:04:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:04:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 687 proven. 228 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2018-12-09 10:04:16,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:04:16,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:04:16,962 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 10:04:16,962 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 10:04:16,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:04:16,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:04:16,968 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 10:04:16,968 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 10:04:17,009 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 10:04:17,009 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 10:04:17,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:04:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2018-12-09 10:04:17,384 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:04:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2018-12-09 10:04:17,590 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:04:17,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-09 10:04:17,590 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:04:17,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:04:17,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:04:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:04:17,591 INFO L87 Difference]: Start difference. First operand 2806 states and 3043 transitions. Second operand 3 states. [2018-12-09 10:04:19,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:04:19,148 INFO L93 Difference]: Finished difference Result 5976 states and 6540 transitions. [2018-12-09 10:04:19,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:04:19,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 800 [2018-12-09 10:04:19,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:04:19,148 INFO L225 Difference]: With dead ends: 5976 [2018-12-09 10:04:19,149 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:04:19,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1605 GetRequests, 1598 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:04:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:04:19,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:04:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:04:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:04:19,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 800 [2018-12-09 10:04:19,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:04:19,153 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:04:19,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:04:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:04:19,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:04:19,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:04:19,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:19,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:04:20,060 WARN L180 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 67 [2018-12-09 10:04:20,626 WARN L180 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2018-12-09 10:04:21,123 WARN L180 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 67 [2018-12-09 10:04:21,124 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,125 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 10:04:21,126 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 10:04:21,127 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 10:04:21,128 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse13 (= 9 |old(~a15~0)|)) (.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse3 (= 8 |old(~a15~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (let ((.cse9 (and .cse1 .cse2 (= 8 ~a15~0) (= ~a24~0 1))) (.cse6 (= 0 |old(~a21~0)|)) (.cse7 (not .cse3)) (.cse8 (= |calculate_output_#in~input| 0)) (.cse5 (not (= 1 |old(~a24~0)|))) (.cse11 (and .cse1 .cse0 .cse2 .cse12)) (.cse4 (or (= 9 |old(~a21~0)|) .cse13)) (.cse10 (forall ((v_~a12~0_509 Int)) (or (< v_~a12~0_509 318749) (< (+ (mod (+ v_~a12~0_509 1) 34) 45) |old(~a12~0)|))))) (and (or (and .cse0 .cse1 .cse2 (= ~a15~0 |old(~a15~0)|)) (and (or (= 5 |old(~a15~0)|) .cse3) (or .cse4 .cse3)) .cse5) (or .cse6 .cse5 .cse7 .cse4 .cse8 .cse9) (or .cse9 .cse6 .cse5 .cse7 .cse8 .cse10) (or .cse5 .cse3 .cse11 .cse10) (or (and .cse1 (= |old(~a21~0)| ~a21~0) .cse12) (or (< 0 (+ |old(~a12~0)| 49)) .cse13) .cse3) (or .cse11 .cse4 .cse3 (< 6 |old(~a21~0)|) .cse10)))) [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 10:04:21,129 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,130 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,131 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,132 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 10:04:21,132 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 10:04:21,132 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 10:04:21,132 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 10:04:21,133 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 10:04:21,134 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,135 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:04:21,136 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-09 10:04:21,136 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:04:21,136 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:04:21,137 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 10:04:21,137 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 10:04:21,137 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (not (= ~a15~0 9)))) (let ((.cse1 (not (= ~a15~0 8))) (.cse2 (exists ((v_~a12~0_509 Int)) (and (<= ~a12~0 (+ (mod (+ v_~a12~0_509 1) 34) 45)) (<= 318749 v_~a12~0_509)))) (.cse4 (not (= ~a21~0 0))) (.cse5 (not (= main_~input~0 0))) (.cse0 (and .cse3 (not (= ~a21~0 9)))) (.cse6 (= ~a24~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a21~0 6)) (not (= 8 |old(~a15~0)|)) (and (or (and .cse1 (not (= 5 ~a15~0))) (and .cse0 .cse1)) (= ~a24~0 |old(~a24~0)|)) (and .cse3 .cse1 (<= (+ ~a12~0 49) 0)) (and (and .cse4 .cse5 .cse6) .cse2) (and (= 1 ~a24~0) .cse1 .cse2) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse4 .cse5 .cse0 .cse6)))) [2018-12-09 10:04:21,137 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 10:04:21,137 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 10:04:21,137 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= ~a15~0 9)))) (let ((.cse1 (not (= ~a15~0 8))) (.cse2 (exists ((v_~a12~0_509 Int)) (and (<= ~a12~0 (+ (mod (+ v_~a12~0_509 1) 34) 45)) (<= 318749 v_~a12~0_509)))) (.cse4 (not (= ~a21~0 0))) (.cse0 (and .cse3 (not (= ~a21~0 9)))) (.cse5 (= ~a24~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a21~0 6)) (not (= 8 |old(~a15~0)|)) (and (or (and .cse1 (not (= 5 ~a15~0))) (and .cse0 .cse1)) (= ~a24~0 |old(~a24~0)|)) (and .cse3 .cse1 (<= (+ ~a12~0 49) 0)) (and .cse4 .cse5 .cse2) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse4 .cse0 .cse5)))) [2018-12-09 10:04:21,137 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 10:04:21,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:04:21 BoogieIcfgContainer [2018-12-09 10:04:21,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:04:21,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:04:21,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:04:21,150 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:04:21,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:02:52" (3/4) ... [2018-12-09 10:04:21,154 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:04:21,159 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:04:21,159 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 10:04:21,159 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:04:21,169 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 10:04:21,170 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:04:21,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(a15 == 9) && !(a21 == 9)) && !(a15 == 8)) && (\exists v_~a12~0_509 : int :: a12 <= (v_~a12~0_509 + 1) % 34 + 45 && 318749 <= v_~a12~0_509)) && a21 <= 6) || !(8 == \old(a15))) || (((!(a15 == 8) && !(5 == a15)) || ((!(a15 == 9) && !(a21 == 9)) && !(a15 == 8))) && a24 == \old(a24))) || ((!(a15 == 9) && !(a15 == 8)) && a12 + 49 <= 0)) || ((!(a21 == 0) && a24 == 1) && (\exists v_~a12~0_509 : int :: a12 <= (v_~a12~0_509 + 1) % 34 + 45 && 318749 <= v_~a12~0_509))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || ((!(a21 == 0) && !(a15 == 9) && !(a21 == 9)) && a24 == 1) [2018-12-09 10:04:21,283 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9db83ff6-52fb-4bb7-baaf-6025e67be54a/bin-2019/utaipan/witness.graphml [2018-12-09 10:04:21,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:04:21,283 INFO L168 Benchmark]: Toolchain (without parser) took 90135.38 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 947.0 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 10:04:21,284 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:04:21,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:04:21,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:04:21,285 INFO L168 Benchmark]: Boogie Preprocessor took 53.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:04:21,285 INFO L168 Benchmark]: RCFGBuilder took 732.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.5 MB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:04:21,285 INFO L168 Benchmark]: TraceAbstraction took 88775.00 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 992.5 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-09 10:04:21,285 INFO L168 Benchmark]: Witness Printer took 132.86 ms. Allocated memory is still 5.0 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-09 10:04:21,287 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 732.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.5 MB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88775.00 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 992.5 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 132.86 ms. Allocated memory is still 5.0 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant [2018-12-09 10:04:21,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] [2018-12-09 10:04:21,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_509,QUANTIFIED] Derived loop invariant: (((((((((((!(a15 == 9) && !(a21 == 9)) && !(a15 == 8)) && (\exists v_~a12~0_509 : int :: a12 <= (v_~a12~0_509 + 1) % 34 + 45 && 318749 <= v_~a12~0_509)) && a21 <= 6) || !(8 == \old(a15))) || (((!(a15 == 8) && !(5 == a15)) || ((!(a15 == 9) && !(a21 == 9)) && !(a15 == 8))) && a24 == \old(a24))) || ((!(a15 == 9) && !(a15 == 8)) && a12 + 49 <= 0)) || ((!(a21 == 0) && a24 == 1) && (\exists v_~a12~0_509 : int :: a12 <= (v_~a12~0_509 + 1) % 34 + 45 && 318749 <= v_~a12~0_509))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || ((!(a21 == 0) && !(a15 == 9) && !(a21 == 9)) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 88.7s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 52.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 481 SDtfs, 8773 SDslu, 731 SDs, 0 SdLazy, 14419 SolverSat, 3078 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 6568 GetRequests, 6381 SyntacticMatches, 10 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2806occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 24.9s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9975440558979026 AbsIntWeakeningRatio, 0.07360672975814932 AbsIntAvgWeakeningVarsNumRemoved, 15.981072555205047 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 863 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 103 PreInvPairs, 159 NumberOfFragments, 578 HoareAnnotationTreeSize, 103 FomulaSimplifications, 18561 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11598 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 6953 NumberOfCodeBlocks, 6366 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 9633 ConstructedInterpolants, 58 QuantifiedInterpolants, 23933665 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3141 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 15636/18061 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...