./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label24_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_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 41d17b9aa5f2178c80003b4f705c8a61e02072b8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:33:05,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:33:05,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:33:05,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:33:05,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:33:05,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:33:05,683 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:33:05,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:33:05,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:33:05,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:33:05,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:33:05,686 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:33:05,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:33:05,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:33:05,687 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:33:05,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:33:05,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:33:05,689 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:33:05,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:33:05,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:33:05,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:33:05,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:33:05,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:33:05,693 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:33:05,693 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:33:05,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:33:05,694 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:33:05,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:33:05,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:33:05,695 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:33:05,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:33:05,696 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:33:05,696 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:33:05,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:33:05,696 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:33:05,697 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:33:05,697 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 14:33:05,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:33:05,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:33:05,705 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 14:33:05,705 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 14:33:05,705 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 14:33:05,706 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:33:05,706 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:33:05,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:33:05,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:33:05,707 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 14:33:05,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:33:05,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:33:05,708 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 14:33:05,708 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_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 -> 41d17b9aa5f2178c80003b4f705c8a61e02072b8 [2018-12-08 14:33:05,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:33:05,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:33:05,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:33:05,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:33:05,736 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:33:05,736 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-12-08 14:33:05,772 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/data/75a74687a/87aa011f8a0842d69b89bb8a646cbe0d/FLAGa29f4039c [2018-12-08 14:33:06,133 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:33:06,133 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-12-08 14:33:06,142 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/data/75a74687a/87aa011f8a0842d69b89bb8a646cbe0d/FLAGa29f4039c [2018-12-08 14:33:06,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/data/75a74687a/87aa011f8a0842d69b89bb8a646cbe0d [2018-12-08 14:33:06,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:33:06,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:33:06,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:33:06,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:33:06,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:33:06,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06, skipping insertion in model container [2018-12-08 14:33:06,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:33:06,197 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:33:06,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:33:06,391 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:33:06,505 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:33:06,518 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:33:06,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06 WrapperNode [2018-12-08 14:33:06,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:33:06,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:33:06,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:33:06,519 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:33:06,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:33:06,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:33:06,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:33:06,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:33:06,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... [2018-12-08 14:33:06,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:33:06,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:33:06,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:33:06,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:33:06,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 [2018-12-08 14:33:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:33:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:33:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 14:33:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 14:33:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:33:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:33:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:33:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:33:07,316 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:33:07,316 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 14:33:07,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:33:07 BoogieIcfgContainer [2018-12-08 14:33:07,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:33:07,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:33:07,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:33:07,320 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:33:07,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:33:06" (1/3) ... [2018-12-08 14:33:07,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d456812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:33:07, skipping insertion in model container [2018-12-08 14:33:07,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:33:06" (2/3) ... [2018-12-08 14:33:07,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d456812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:33:07, skipping insertion in model container [2018-12-08 14:33:07,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:33:07" (3/3) ... [2018-12-08 14:33:07,323 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label24_true-unreach-call_false-termination.c [2018-12-08 14:33:07,331 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:33:07,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:33:07,350 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:33:07,378 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:33:07,378 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:33:07,379 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:33:07,379 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:33:07,379 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:33:07,379 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:33:07,379 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:33:07,379 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:33:07,397 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-08 14:33:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 14:33:07,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:33:07,405 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] [2018-12-08 14:33:07,406 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:33:07,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:07,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2018-12-08 14:33:07,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:33:07,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:07,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:33:07,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:07,443 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:33:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:33:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:33:07,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:33:07,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:33:07,595 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:33:07,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:33:07,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:33:07,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:33:07,613 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-08 14:33:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:33:08,176 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-08 14:33:08,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:33:08,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 14:33:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:33:08,185 INFO L225 Difference]: With dead ends: 688 [2018-12-08 14:33:08,185 INFO L226 Difference]: Without dead ends: 372 [2018-12-08 14:33:08,189 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 [2018-12-08 14:33:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-08 14:33:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-08 14:33:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-08 14:33:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-08 14:33:08,230 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 47 [2018-12-08 14:33:08,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:33:08,230 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-08 14:33:08,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:33:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-08 14:33:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 14:33:08,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:33:08,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:33:08,233 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:33:08,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:08,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1939521290, now seen corresponding path program 1 times [2018-12-08 14:33:08,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:33:08,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:08,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:33:08,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:08,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:33:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:33:08,346 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:33:08,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:33:08,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:33:08,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:33:08,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:33:08,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:33:08,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:33:08,348 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-08 14:33:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:33:08,910 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-12-08 14:33:08,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:33:08,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-12-08 14:33:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:33:08,913 INFO L225 Difference]: With dead ends: 936 [2018-12-08 14:33:08,913 INFO L226 Difference]: Without dead ends: 570 [2018-12-08 14:33:08,914 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 [2018-12-08 14:33:08,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-08 14:33:08,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-12-08 14:33:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-08 14:33:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-12-08 14:33:08,929 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 121 [2018-12-08 14:33:08,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:33:08,929 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-12-08 14:33:08,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:33:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-12-08 14:33:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 14:33:08,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:33:08,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:33:08,931 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:33:08,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:08,931 INFO L82 PathProgramCache]: Analyzing trace with hash -2114473467, now seen corresponding path program 1 times [2018-12-08 14:33:08,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:33:08,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:08,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:33:08,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:08,932 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:33:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:33:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:33:08,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:33:08,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 14:33:08,986 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:33:08,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 14:33:08,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 14:33:08,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:33:08,986 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2018-12-08 14:33:09,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:33:09,720 INFO L93 Difference]: Finished difference Result 2216 states and 3272 transitions. [2018-12-08 14:33:09,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:33:09,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-12-08 14:33:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:33:09,724 INFO L225 Difference]: With dead ends: 2216 [2018-12-08 14:33:09,724 INFO L226 Difference]: Without dead ends: 1660 [2018-12-08 14:33:09,725 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 [2018-12-08 14:33:09,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-12-08 14:33:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1476. [2018-12-08 14:33:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2018-12-08 14:33:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2051 transitions. [2018-12-08 14:33:09,749 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2051 transitions. Word has length 130 [2018-12-08 14:33:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:33:09,749 INFO L480 AbstractCegarLoop]: Abstraction has 1476 states and 2051 transitions. [2018-12-08 14:33:09,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 14:33:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2051 transitions. [2018-12-08 14:33:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-08 14:33:09,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:33:09,754 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-12-08 14:33:09,755 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:33:09,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:09,755 INFO L82 PathProgramCache]: Analyzing trace with hash 511372486, now seen corresponding path program 1 times [2018-12-08 14:33:09,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:33:09,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:09,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:33:09,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:09,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:33:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:33:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 80 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 14:33:09,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:33:09,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:33:09,988 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-12-08 14:33:09,989 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:33:10,014 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:33:10,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:33:11,786 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 14:33:11,787 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1048 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-12-08 14:33:11,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:11,796 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 14:33:13,425 INFO L227 lantSequenceWeakener]: Weakened 224 states. On average, predicates are now at 77.87% of their original sizes. [2018-12-08 14:33:13,425 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 14:33:13,453 INFO L418 sIntCurrentIteration]: We unified 232 AI predicates to 232 [2018-12-08 14:33:13,453 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 14:33:13,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:33:13,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-08 14:33:13,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:33:13,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:33:13,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:33:13,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:33:13,454 INFO L87 Difference]: Start difference. First operand 1476 states and 2051 transitions. Second operand 6 states. [2018-12-08 14:33:24,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:33:24,711 INFO L93 Difference]: Finished difference Result 3129 states and 4351 transitions. [2018-12-08 14:33:24,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:33:24,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 233 [2018-12-08 14:33:24,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:33:24,716 INFO L225 Difference]: With dead ends: 3129 [2018-12-08 14:33:24,717 INFO L226 Difference]: Without dead ends: 1659 [2018-12-08 14:33:24,719 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:33:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2018-12-08 14:33:24,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1658. [2018-12-08 14:33:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-08 14:33:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2241 transitions. [2018-12-08 14:33:24,750 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2241 transitions. Word has length 233 [2018-12-08 14:33:24,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:33:24,750 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 2241 transitions. [2018-12-08 14:33:24,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:33:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2241 transitions. [2018-12-08 14:33:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 14:33:24,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:33:24,753 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, 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, 3, 3, 3, 3, 3, 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] [2018-12-08 14:33:24,754 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:33:24,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:24,754 INFO L82 PathProgramCache]: Analyzing trace with hash -266552290, now seen corresponding path program 1 times [2018-12-08 14:33:24,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:33:24,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:24,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:33:24,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:33:24,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:33:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:33:25,161 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 206 proven. 142 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 14:33:25,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:33:25,162 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:33:25,162 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 318 with the following transitions: [2018-12-08 14:33:25,162 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:33:25,165 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:33:25,165 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:33:28,089 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 14:33:28,089 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 3 different actions 3 times. Never widened. Performed 2161 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2161 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 14:33:28,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:33:28,092 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 14:33:29,533 INFO L227 lantSequenceWeakener]: Weakened 314 states. On average, predicates are now at 77.76% of their original sizes. [2018-12-08 14:33:29,533 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 14:33:29,587 INFO L418 sIntCurrentIteration]: We unified 316 AI predicates to 316 [2018-12-08 14:33:29,587 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 14:33:29,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:33:29,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-08 14:33:29,587 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:33:29,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 14:33:29,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 14:33:29,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:33:29,588 INFO L87 Difference]: Start difference. First operand 1658 states and 2241 transitions. Second operand 10 states. [2018-12-08 14:34:05,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:34:05,842 INFO L93 Difference]: Finished difference Result 3526 states and 4799 transitions. [2018-12-08 14:34:05,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 14:34:05,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 317 [2018-12-08 14:34:05,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:34:05,849 INFO L225 Difference]: With dead ends: 3526 [2018-12-08 14:34:05,849 INFO L226 Difference]: Without dead ends: 2056 [2018-12-08 14:34:05,851 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 14:34:05,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2018-12-08 14:34:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1842. [2018-12-08 14:34:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1842 states. [2018-12-08 14:34:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2439 transitions. [2018-12-08 14:34:05,891 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2439 transitions. Word has length 317 [2018-12-08 14:34:05,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:34:05,891 INFO L480 AbstractCegarLoop]: Abstraction has 1842 states and 2439 transitions. [2018-12-08 14:34:05,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 14:34:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2439 transitions. [2018-12-08 14:34:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-12-08 14:34:05,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:34:05,899 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, 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, 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] [2018-12-08 14:34:05,899 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:34:05,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:05,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1532597849, now seen corresponding path program 1 times [2018-12-08 14:34:05,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:34:05,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:05,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:05,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:05,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:34:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 353 proven. 212 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 14:34:06,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:06,329 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:34:06,329 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 417 with the following transitions: [2018-12-08 14:34:06,329 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [514], [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], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:34:06,331 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:34:06,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:34:09,018 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 14:34:09,018 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2172 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2172 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 14:34:09,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:09,019 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 14:34:10,514 INFO L227 lantSequenceWeakener]: Weakened 413 states. On average, predicates are now at 77.67% of their original sizes. [2018-12-08 14:34:10,514 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 14:34:10,546 INFO L418 sIntCurrentIteration]: We unified 415 AI predicates to 415 [2018-12-08 14:34:10,547 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 14:34:10,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:34:10,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-08 14:34:10,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:34:10,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 14:34:10,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 14:34:10,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:34:10,547 INFO L87 Difference]: Start difference. First operand 1842 states and 2439 transitions. Second operand 10 states. [2018-12-08 14:34:20,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:34:20,777 INFO L93 Difference]: Finished difference Result 3680 states and 4875 transitions. [2018-12-08 14:34:20,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 14:34:20,778 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 416 [2018-12-08 14:34:20,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:34:20,783 INFO L225 Difference]: With dead ends: 3680 [2018-12-08 14:34:20,784 INFO L226 Difference]: Without dead ends: 2210 [2018-12-08 14:34:20,786 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 423 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 14:34:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2018-12-08 14:34:20,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2208. [2018-12-08 14:34:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2208 states. [2018-12-08 14:34:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 2820 transitions. [2018-12-08 14:34:20,826 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 2820 transitions. Word has length 416 [2018-12-08 14:34:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:34:20,826 INFO L480 AbstractCegarLoop]: Abstraction has 2208 states and 2820 transitions. [2018-12-08 14:34:20,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 14:34:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2820 transitions. [2018-12-08 14:34:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-12-08 14:34:20,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:34:20,836 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, 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, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:34:20,836 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:34:20,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:20,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1203933665, now seen corresponding path program 1 times [2018-12-08 14:34:20,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:34:20,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:20,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:20,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:20,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:34:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 388 proven. 74 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-08 14:34:21,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:21,100 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:34:21,100 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 453 with the following transitions: [2018-12-08 14:34:21,101 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:34:21,103 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:34:21,103 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:34:27,307 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 14:34:27,307 INFO L272 AbstractInterpreter]: Visited 122 different actions 359 times. Merged at 6 different actions 13 times. Never widened. Performed 3467 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3467 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 14:34:27,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:27,309 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 14:34:28,192 INFO L227 lantSequenceWeakener]: Weakened 449 states. On average, predicates are now at 80.28% of their original sizes. [2018-12-08 14:34:28,192 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 14:34:28,218 INFO L418 sIntCurrentIteration]: We unified 451 AI predicates to 451 [2018-12-08 14:34:28,218 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 14:34:28,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:34:28,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-08 14:34:28,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:34:28,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 14:34:28,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 14:34:28,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:34:28,219 INFO L87 Difference]: Start difference. First operand 2208 states and 2820 transitions. Second operand 9 states. [2018-12-08 14:34:39,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:34:39,622 INFO L93 Difference]: Finished difference Result 4068 states and 5385 transitions. [2018-12-08 14:34:39,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 14:34:39,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 452 [2018-12-08 14:34:39,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:34:39,625 INFO L225 Difference]: With dead ends: 4068 [2018-12-08 14:34:39,625 INFO L226 Difference]: Without dead ends: 2598 [2018-12-08 14:34:39,627 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 458 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 14:34:39,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2018-12-08 14:34:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2400. [2018-12-08 14:34:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2400 states. [2018-12-08 14:34:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 3075 transitions. [2018-12-08 14:34:39,667 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 3075 transitions. Word has length 452 [2018-12-08 14:34:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:34:39,668 INFO L480 AbstractCegarLoop]: Abstraction has 2400 states and 3075 transitions. [2018-12-08 14:34:39,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 14:34:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 3075 transitions. [2018-12-08 14:34:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2018-12-08 14:34:39,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:34:39,673 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:34:39,674 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:34:39,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:39,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1808065537, now seen corresponding path program 1 times [2018-12-08 14:34:39,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:34:39,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:39,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:39,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:39,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:34:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 294 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-12-08 14:34:39,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:39,852 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:34:39,852 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 501 with the following transitions: [2018-12-08 14:34:39,852 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [514], [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], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:34:39,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:34:39,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:34:44,258 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:34:44,258 INFO L272 AbstractInterpreter]: Visited 124 different actions 498 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 4757 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4757 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 14:34:44,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:44,261 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:34:44,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:44,261 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 [2018-12-08 14:34:44,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:44,267 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:34:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:44,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:34:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 647 proven. 2 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 14:34:44,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:34:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 294 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-12-08 14:34:44,650 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:34:44,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 14:34:44,650 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:34:44,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 14:34:44,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 14:34:44,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:34:44,651 INFO L87 Difference]: Start difference. First operand 2400 states and 3075 transitions. Second operand 9 states. [2018-12-08 14:34:46,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:34:46,283 INFO L93 Difference]: Finished difference Result 4836 states and 6367 transitions. [2018-12-08 14:34:46,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 14:34:46,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 500 [2018-12-08 14:34:46,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:34:46,288 INFO L225 Difference]: With dead ends: 4836 [2018-12-08 14:34:46,288 INFO L226 Difference]: Without dead ends: 2624 [2018-12-08 14:34:46,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1048 GetRequests, 1016 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-12-08 14:34:46,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2018-12-08 14:34:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2244. [2018-12-08 14:34:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2018-12-08 14:34:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 2583 transitions. [2018-12-08 14:34:46,315 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 2583 transitions. Word has length 500 [2018-12-08 14:34:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:34:46,315 INFO L480 AbstractCegarLoop]: Abstraction has 2244 states and 2583 transitions. [2018-12-08 14:34:46,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 14:34:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2583 transitions. [2018-12-08 14:34:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2018-12-08 14:34:46,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:34:46,318 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, 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, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 14:34:46,318 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:34:46,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:46,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1064577518, now seen corresponding path program 1 times [2018-12-08 14:34:46,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:34:46,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:46,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:46,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:46,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:34:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 389 proven. 249 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 14:34:46,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:46,891 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:34:46,891 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 520 with the following transitions: [2018-12-08 14:34:46,891 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [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], [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] [2018-12-08 14:34:46,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:34:46,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:34:50,802 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:34:50,802 INFO L272 AbstractInterpreter]: Visited 190 different actions 758 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 8397 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8397 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 14:34:50,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:50,804 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:34:50,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:50,804 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 [2018-12-08 14:34:50,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:50,810 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:34:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:50,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:34:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 561 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-12-08 14:34:51,052 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:34:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 388 proven. 74 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-08 14:34:51,399 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:34:51,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-12-08 14:34:51,400 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:34:51,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 14:34:51,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 14:34:51,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-12-08 14:34:51,401 INFO L87 Difference]: Start difference. First operand 2244 states and 2583 transitions. Second operand 17 states. [2018-12-08 14:34:54,684 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2018-12-08 14:34:55,001 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2018-12-08 14:34:55,254 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2018-12-08 14:34:55,652 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2018-12-08 14:34:56,237 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 14:34:56,443 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 14:34:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:34:57,077 INFO L93 Difference]: Finished difference Result 4760 states and 5807 transitions. [2018-12-08 14:34:57,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-08 14:34:57,077 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 519 [2018-12-08 14:34:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:34:57,083 INFO L225 Difference]: With dead ends: 4760 [2018-12-08 14:34:57,083 INFO L226 Difference]: Without dead ends: 2702 [2018-12-08 14:34:57,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 1059 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=615, Invalid=2355, Unknown=0, NotChecked=0, Total=2970 [2018-12-08 14:34:57,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2018-12-08 14:34:57,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2634. [2018-12-08 14:34:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2634 states. [2018-12-08 14:34:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 3040 transitions. [2018-12-08 14:34:57,128 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 3040 transitions. Word has length 519 [2018-12-08 14:34:57,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:34:57,129 INFO L480 AbstractCegarLoop]: Abstraction has 2634 states and 3040 transitions. [2018-12-08 14:34:57,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 14:34:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3040 transitions. [2018-12-08 14:34:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-12-08 14:34:57,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:34:57,132 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, 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, 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, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:34:57,132 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:34:57,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:34:57,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1455433953, now seen corresponding path program 1 times [2018-12-08 14:34:57,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:34:57,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:57,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:34:57,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:34:57,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:34:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:34:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 511 proven. 385 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-08 14:34:57,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:34:57,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:34:57,639 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-12-08 14:34:57,639 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [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], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:34:57,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:34:57,640 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:04,538 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:04,538 INFO L272 AbstractInterpreter]: Visited 124 different actions 489 times. Merged at 9 different actions 26 times. Never widened. Performed 4836 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4836 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 14:35:04,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:04,540 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:04,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:04,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 [2018-12-08 14:35:04,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:04,547 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:04,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 748 proven. 2 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-08 14:35:04,816 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 507 proven. 74 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2018-12-08 14:35:05,141 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:05,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-08 14:35:05,142 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:05,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 14:35:05,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 14:35:05,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2018-12-08 14:35:05,142 INFO L87 Difference]: Start difference. First operand 2634 states and 3040 transitions. Second operand 17 states. [2018-12-08 14:35:06,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:06,847 INFO L93 Difference]: Finished difference Result 5334 states and 6386 transitions. [2018-12-08 14:35:06,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-08 14:35:06,847 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 524 [2018-12-08 14:35:06,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:06,853 INFO L225 Difference]: With dead ends: 5334 [2018-12-08 14:35:06,853 INFO L226 Difference]: Without dead ends: 2921 [2018-12-08 14:35:06,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1054 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1376, Unknown=0, NotChecked=0, Total=1806 [2018-12-08 14:35:06,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2018-12-08 14:35:06,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2814. [2018-12-08 14:35:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2018-12-08 14:35:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3027 transitions. [2018-12-08 14:35:06,885 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3027 transitions. Word has length 524 [2018-12-08 14:35:06,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:06,885 INFO L480 AbstractCegarLoop]: Abstraction has 2814 states and 3027 transitions. [2018-12-08 14:35:06,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 14:35:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3027 transitions. [2018-12-08 14:35:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2018-12-08 14:35:06,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:06,889 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, 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, 3, 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] [2018-12-08 14:35:06,889 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:06,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:06,889 INFO L82 PathProgramCache]: Analyzing trace with hash 629641869, now seen corresponding path program 1 times [2018-12-08 14:35:06,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:06,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:06,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:06,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:06,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 552 proven. 74 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2018-12-08 14:35:07,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:07,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:35:07,156 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 637 with the following transitions: [2018-12-08 14:35:07,156 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [667], [671], [675], [679], [683], [686], [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], [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] [2018-12-08 14:35:07,158 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:35:07,158 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:11,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:11,020 INFO L272 AbstractInterpreter]: Visited 191 different actions 767 times. Merged at 9 different actions 36 times. Widened at 1 different actions 2 times. Performed 8558 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8558 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-08 14:35:11,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:11,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:11,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:11,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/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 [2018-12-08 14:35:11,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:11,035 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:11,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 14:35:11,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 552 proven. 74 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2018-12-08 14:35:11,457 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:11,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-08 14:35:11,458 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:11,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:35:11,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:35:11,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:35:11,459 INFO L87 Difference]: Start difference. First operand 2814 states and 3027 transitions. Second operand 7 states. [2018-12-08 14:35:12,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:12,705 INFO L93 Difference]: Finished difference Result 7246 states and 8335 transitions. [2018-12-08 14:35:12,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 14:35:12,705 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 636 [2018-12-08 14:35:12,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:12,714 INFO L225 Difference]: With dead ends: 7246 [2018-12-08 14:35:12,714 INFO L226 Difference]: Without dead ends: 4804 [2018-12-08 14:35:12,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1289 GetRequests, 1275 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-12-08 14:35:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2018-12-08 14:35:12,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 4306. [2018-12-08 14:35:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4306 states. [2018-12-08 14:35:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 4306 states and 4694 transitions. [2018-12-08 14:35:12,767 INFO L78 Accepts]: Start accepts. Automaton has 4306 states and 4694 transitions. Word has length 636 [2018-12-08 14:35:12,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:12,768 INFO L480 AbstractCegarLoop]: Abstraction has 4306 states and 4694 transitions. [2018-12-08 14:35:12,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:35:12,768 INFO L276 IsEmpty]: Start isEmpty. Operand 4306 states and 4694 transitions. [2018-12-08 14:35:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2018-12-08 14:35:12,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:12,772 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2018-12-08 14:35:12,773 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:12,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:12,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1074697562, now seen corresponding path program 1 times [2018-12-08 14:35:12,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:12,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:12,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:12,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:12,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 765 proven. 673 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-08 14:35:13,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:13,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:35:13,987 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 796 with the following transitions: [2018-12-08 14:35:13,987 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [667], [671], [675], [679], [683], [686], [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], [823], [827], [831], [835], [839], [843], [847], [851], [854], [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] [2018-12-08 14:35:13,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:35:13,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:17,854 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:17,854 INFO L272 AbstractInterpreter]: Visited 192 different actions 770 times. Merged at 9 different actions 35 times. Widened at 1 different actions 2 times. Performed 8612 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8612 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-08 14:35:17,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:17,856 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:17,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:17,856 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:35:17,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:17,862 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:17,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 1071 proven. 2 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2018-12-08 14:35:18,144 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 758 proven. 74 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2018-12-08 14:35:18,439 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:18,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 22 [2018-12-08 14:35:18,440 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:18,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 14:35:18,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 14:35:18,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-12-08 14:35:18,441 INFO L87 Difference]: Start difference. First operand 4306 states and 4694 transitions. Second operand 20 states. [2018-12-08 14:35:21,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:21,937 INFO L93 Difference]: Finished difference Result 9196 states and 10192 transitions. [2018-12-08 14:35:21,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-12-08 14:35:21,938 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 795 [2018-12-08 14:35:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:21,946 INFO L225 Difference]: With dead ends: 9196 [2018-12-08 14:35:21,946 INFO L226 Difference]: Without dead ends: 4890 [2018-12-08 14:35:21,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1720 GetRequests, 1635 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1006, Invalid=5636, Unknown=0, NotChecked=0, Total=6642 [2018-12-08 14:35:21,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2018-12-08 14:35:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4664. [2018-12-08 14:35:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4664 states. [2018-12-08 14:35:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 4986 transitions. [2018-12-08 14:35:21,996 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 4986 transitions. Word has length 795 [2018-12-08 14:35:21,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:21,996 INFO L480 AbstractCegarLoop]: Abstraction has 4664 states and 4986 transitions. [2018-12-08 14:35:21,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 14:35:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 4986 transitions. [2018-12-08 14:35:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2018-12-08 14:35:22,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:22,001 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 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, 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] [2018-12-08 14:35:22,002 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:22,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:22,002 INFO L82 PathProgramCache]: Analyzing trace with hash 317370558, now seen corresponding path program 1 times [2018-12-08 14:35:22,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:22,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:22,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:22,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:22,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 705 proven. 1256 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2018-12-08 14:35:23,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:23,518 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:35:23,518 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 962 with the following transitions: [2018-12-08 14:35:23,518 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [522], [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], [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], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:35:23,520 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:35:23,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:27,400 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:27,400 INFO L272 AbstractInterpreter]: Visited 193 different actions 772 times. Merged at 10 different actions 33 times. Widened at 1 different actions 1 times. Performed 8575 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8575 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-08 14:35:27,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:27,403 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:27,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:27,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:35:27,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:27,408 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:27,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 1911 proven. 2 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2018-12-08 14:35:28,101 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 701 proven. 400 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2018-12-08 14:35:29,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:29,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 20 [2018-12-08 14:35:29,015 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:29,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 14:35:29,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 14:35:29,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-12-08 14:35:29,016 INFO L87 Difference]: Start difference. First operand 4664 states and 4986 transitions. Second operand 18 states. [2018-12-08 14:35:31,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:31,103 INFO L93 Difference]: Finished difference Result 9362 states and 10077 transitions. [2018-12-08 14:35:31,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-08 14:35:31,103 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 961 [2018-12-08 14:35:31,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:31,109 INFO L225 Difference]: With dead ends: 9362 [2018-12-08 14:35:31,109 INFO L226 Difference]: Without dead ends: 5070 [2018-12-08 14:35:31,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1972 GetRequests, 1932 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=351, Invalid=1289, Unknown=0, NotChecked=0, Total=1640 [2018-12-08 14:35:31,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5070 states. [2018-12-08 14:35:31,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5070 to 4846. [2018-12-08 14:35:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-12-08 14:35:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5170 transitions. [2018-12-08 14:35:31,160 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5170 transitions. Word has length 961 [2018-12-08 14:35:31,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:31,160 INFO L480 AbstractCegarLoop]: Abstraction has 4846 states and 5170 transitions. [2018-12-08 14:35:31,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 14:35:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5170 transitions. [2018-12-08 14:35:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2018-12-08 14:35:31,165 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:31,165 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 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, 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, 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] [2018-12-08 14:35:31,165 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:31,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash -264884215, now seen corresponding path program 1 times [2018-12-08 14:35:31,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:31,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:31,166 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 705 proven. 1270 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2018-12-08 14:35:32,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:32,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:35:32,562 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 969 with the following transitions: [2018-12-08 14:35:32,562 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [522], [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], [686], [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], [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], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:35:32,564 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:35:32,564 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:36,438 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:36,439 INFO L272 AbstractInterpreter]: Visited 194 different actions 775 times. Merged at 10 different actions 32 times. Widened at 1 different actions 1 times. Performed 8681 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8681 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 14:35:36,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:36,444 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:36,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:36,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:35:36,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:36,450 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:36,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 854 proven. 2 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-12-08 14:35:36,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 854 proven. 2 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-12-08 14:35:37,450 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:37,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2018-12-08 14:35:37,451 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:37,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 14:35:37,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 14:35:37,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-12-08 14:35:37,452 INFO L87 Difference]: Start difference. First operand 4846 states and 5170 transitions. Second operand 18 states. [2018-12-08 14:35:39,974 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2018-12-08 14:35:40,333 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2018-12-08 14:35:40,628 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2018-12-08 14:35:40,903 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2018-12-08 14:35:41,361 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-08 14:35:41,762 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-12-08 14:35:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:41,826 INFO L93 Difference]: Finished difference Result 9704 states and 10369 transitions. [2018-12-08 14:35:41,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-08 14:35:41,826 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 968 [2018-12-08 14:35:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:41,833 INFO L225 Difference]: With dead ends: 9704 [2018-12-08 14:35:41,834 INFO L226 Difference]: Without dead ends: 4850 [2018-12-08 14:35:41,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2017 GetRequests, 1957 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 981 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=682, Invalid=2978, Unknown=0, NotChecked=0, Total=3660 [2018-12-08 14:35:41,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2018-12-08 14:35:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 4662. [2018-12-08 14:35:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4662 states. [2018-12-08 14:35:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4662 states to 4662 states and 4893 transitions. [2018-12-08 14:35:41,888 INFO L78 Accepts]: Start accepts. Automaton has 4662 states and 4893 transitions. Word has length 968 [2018-12-08 14:35:41,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:41,889 INFO L480 AbstractCegarLoop]: Abstraction has 4662 states and 4893 transitions. [2018-12-08 14:35:41,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 14:35:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 4662 states and 4893 transitions. [2018-12-08 14:35:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2018-12-08 14:35:41,895 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:41,895 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-08 14:35:41,895 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:41,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:41,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1467967182, now seen corresponding path program 1 times [2018-12-08 14:35:41,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:41,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:41,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:41,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:41,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 1693 proven. 265 refuted. 0 times theorem prover too weak. 1779 trivial. 0 not checked. [2018-12-08 14:35:42,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:42,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:35:42,436 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1098 with the following transitions: [2018-12-08 14:35:42,436 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [522], [523], [527], [531], [535], [539], [542], [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], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [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], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:35:42,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:35:42,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:46,312 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:46,312 INFO L272 AbstractInterpreter]: Visited 195 different actions 786 times. Merged at 12 different actions 39 times. Widened at 1 different actions 1 times. Performed 8756 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8756 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-08 14:35:46,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:46,314 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:46,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:46,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:35:46,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:46,320 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:46,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 2216 proven. 6 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2018-12-08 14:35:46,813 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 1693 proven. 269 refuted. 0 times theorem prover too weak. 1775 trivial. 0 not checked. [2018-12-08 14:35:47,394 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:47,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2018-12-08 14:35:47,394 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:47,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 14:35:47,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 14:35:47,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-12-08 14:35:47,395 INFO L87 Difference]: Start difference. First operand 4662 states and 4893 transitions. Second operand 9 states. [2018-12-08 14:35:48,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:48,252 INFO L93 Difference]: Finished difference Result 8438 states and 8958 transitions. [2018-12-08 14:35:48,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 14:35:48,253 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1097 [2018-12-08 14:35:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:48,261 INFO L225 Difference]: With dead ends: 8438 [2018-12-08 14:35:48,262 INFO L226 Difference]: Without dead ends: 5440 [2018-12-08 14:35:48,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2222 GetRequests, 2198 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2018-12-08 14:35:48,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5440 states. [2018-12-08 14:35:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5440 to 4846. [2018-12-08 14:35:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-12-08 14:35:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5080 transitions. [2018-12-08 14:35:48,315 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5080 transitions. Word has length 1097 [2018-12-08 14:35:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:48,316 INFO L480 AbstractCegarLoop]: Abstraction has 4846 states and 5080 transitions. [2018-12-08 14:35:48,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 14:35:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5080 transitions. [2018-12-08 14:35:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1397 [2018-12-08 14:35:48,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:48,325 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:35:48,325 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:48,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:48,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2008033529, now seen corresponding path program 1 times [2018-12-08 14:35:48,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:48,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:48,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:48,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:48,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5366 backedges. 1047 proven. 2535 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-12-08 14:35:50,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:50,286 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:35:50,287 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1397 with the following transitions: [2018-12-08 14:35:50,287 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [542], [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], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [778], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [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], [926], [927], [930], [931], [934], [935], [939], [943], [946], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 14:35:50,289 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:35:50,289 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:35:54,288 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:35:54,288 INFO L272 AbstractInterpreter]: Visited 199 different actions 797 times. Merged at 12 different actions 34 times. Never widened. Performed 8815 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8815 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 17 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-08 14:35:54,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:54,290 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:35:54,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:35:54,290 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:35:54,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:54,295 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:35:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:35:54,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:35:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5366 backedges. 3084 proven. 2 refuted. 0 times theorem prover too weak. 2280 trivial. 0 not checked. [2018-12-08 14:35:54,943 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:35:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5366 backedges. 1245 proven. 278 refuted. 0 times theorem prover too weak. 3843 trivial. 0 not checked. [2018-12-08 14:35:55,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:35:55,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 21 [2018-12-08 14:35:55,859 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:35:55,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 14:35:55,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 14:35:55,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-12-08 14:35:55,860 INFO L87 Difference]: Start difference. First operand 4846 states and 5080 transitions. Second operand 19 states. [2018-12-08 14:35:59,051 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2018-12-08 14:35:59,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:35:59,725 INFO L93 Difference]: Finished difference Result 8006 states and 8726 transitions. [2018-12-08 14:35:59,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-08 14:35:59,725 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1396 [2018-12-08 14:35:59,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:35:59,738 INFO L225 Difference]: With dead ends: 8006 [2018-12-08 14:35:59,738 INFO L226 Difference]: Without dead ends: 5008 [2018-12-08 14:35:59,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2878 GetRequests, 2821 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=759, Invalid=2433, Unknown=0, NotChecked=0, Total=3192 [2018-12-08 14:35:59,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2018-12-08 14:35:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 4846. [2018-12-08 14:35:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-12-08 14:35:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5072 transitions. [2018-12-08 14:35:59,817 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5072 transitions. Word has length 1396 [2018-12-08 14:35:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:35:59,818 INFO L480 AbstractCegarLoop]: Abstraction has 4846 states and 5072 transitions. [2018-12-08 14:35:59,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 14:35:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5072 transitions. [2018-12-08 14:35:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1515 [2018-12-08 14:35:59,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:35:59,828 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:35:59,828 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:35:59,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:35:59,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1398103861, now seen corresponding path program 1 times [2018-12-08 14:35:59,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:35:59,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:59,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:35:59,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:35:59,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:35:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:36:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6489 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 6019 trivial. 0 not checked. [2018-12-08 14:36:00,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:36:00,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 14:36:00,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:36:00,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 14:36:00,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 14:36:00,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:36:00,564 INFO L87 Difference]: Start difference. First operand 4846 states and 5072 transitions. Second operand 4 states. [2018-12-08 14:36:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:36:01,009 INFO L93 Difference]: Finished difference Result 10784 states and 11341 transitions. [2018-12-08 14:36:01,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:36:01,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1514 [2018-12-08 14:36:01,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:36:01,010 INFO L225 Difference]: With dead ends: 10784 [2018-12-08 14:36:01,010 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 14:36:01,022 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 [2018-12-08 14:36:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 14:36:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 14:36:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 14:36:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 14:36:01,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1514 [2018-12-08 14:36:01,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:36:01,023 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:36:01,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 14:36:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:36:01,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:36:01,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 14:36:01,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,768 WARN L180 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 441 [2018-12-08 14:36:01,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:01,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:02,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:02,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:02,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:02,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:36:02,281 WARN L180 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 427 [2018-12-08 14:36:03,346 WARN L180 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 292 DAG size of output: 94 [2018-12-08 14:36:05,577 WARN L180 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 408 DAG size of output: 91 [2018-12-08 14:36:09,863 WARN L180 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 399 DAG size of output: 98 [2018-12-08 14:36:09,864 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:36:09,865 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)) [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,865 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,866 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 14:36:09,867 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 14:36:09,868 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse18 (= 6 |old(~a15~0)|)) (.cse23 (= 9 |old(~a15~0)|))) (let ((.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse25 (= |old(~a15~0)| ~a15~0)) (.cse24 (= 1 ~a24~0)) (.cse8 (= 8 |old(~a15~0)|)) (.cse26 (or .cse18 .cse23))) (let ((.cse7 (<= |old(~a12~0)| 80)) (.cse5 (= ~a15~0 |old(~a15~0)|)) (.cse0 (and (or (= 6 |old(~a21~0)|) .cse8 .cse23) (or .cse8 .cse26))) (.cse11 (= 0 |old(~a21~0)|)) (.cse12 (< |old(~a12~0)| 12849)) (.cse19 (< 73282 |old(~a12~0)|)) (.cse21 (< 76 |old(~a12~0)|)) (.cse9 (not (= 10 |old(~a21~0)|))) (.cse22 (<= |old(~a12~0)| 11)) (.cse6 (and .cse2 .cse4 .cse25 .cse24)) (.cse16 (and .cse2 .cse4 (= 8 ~a15~0) (= ~a24~0 1))) (.cse13 (not .cse8)) (.cse14 (= |calculate_output_#in~input| 0)) (.cse17 (not (= 7 |old(~a21~0)|))) (.cse1 (not (= 1 |old(~a24~0)|))) (.cse20 (not (= 8 |old(~a21~0)|))) (.cse10 (< 11 |old(~a12~0)|)) (.cse3 (= ~a24~0 |old(~a24~0)|)) (.cse15 (< 6 |old(~a21~0)|))) (and (or (or .cse0 .cse1) (and (and .cse2 .cse3) .cse4 .cse5)) (or (< |old(~a21~0)| 9) .cse1 .cse6 .cse7 .cse8) (or .cse9 .cse6 .cse1 .cse10 .cse8) (or .cse11 .cse12 .cse1 .cse13 .cse14 .cse15 .cse16) (or .cse16 .cse9 .cse1 .cse13 .cse14 .cse7) (or .cse17 (and .cse3 .cse4 .cse5) .cse0) (or .cse6 .cse12 .cse1 .cse18 .cse8) (or (not (= 9 |old(~a21~0)|)) .cse16 .cse1 .cse10 .cse13 .cse14) (or .cse12 .cse1 .cse13 .cse19 .cse14 .cse20 .cse16) (or .cse11 .cse21 .cse1 .cse13 .cse16 .cse14 .cse22) (or .cse6 .cse12 .cse1 .cse19 .cse8) (or .cse21 .cse6 .cse1 .cse22 .cse8 .cse23) (or .cse16 .cse9 .cse1 .cse10 .cse13 .cse14) (or .cse17 .cse1 .cse22 .cse8 .cse6) (or .cse16 .cse13 .cse14 .cse17 .cse1 .cse10) (or (not .cse23) (and .cse2 .cse4 .cse24 (= 9 ~a15~0)) .cse1 .cse20) (or .cse10 (and .cse2 .cse3 .cse4 .cse25) .cse8 .cse15 .cse26))))) [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 14:36:09,869 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,870 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-08 14:36:09,871 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-08 14:36:09,872 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 14:36:09,873 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-08 14:36:09,874 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:36:09,874 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)) [2018-12-08 14:36:09,874 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:36:09,875 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:36:09,875 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-08 14:36:09,875 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-08 14:36:09,875 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse24 (not (= 6 ~a21~0))) (.cse19 (not (= ~a15~0 6))) (.cse1 (not (= ~a21~0 0))) (.cse2 (not (= main_~input~0 0))) (.cse3 (= ~a24~0 1)) (.cse23 (<= 7 |old(~a21~0)|)) (.cse18 (not (= ~a15~0 9))) (.cse12 (= 1 ~a24~0)) (.cse11 (not (= ~a15~0 8))) (.cse0 (= 8 |old(~a15~0)|))) (let ((.cse7 (<= ~a12~0 73282)) (.cse14 (< 11 ~a12~0)) (.cse16 (<= ~a12~0 76)) (.cse15 (and .cse18 .cse12 .cse11 .cse0)) (.cse4 (<= ~a21~0 6)) (.cse8 (and .cse1 .cse2 .cse3 .cse23 .cse0)) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse10 (< 80 ~a12~0)) (.cse9 (and .cse12 .cse23 .cse11 .cse0 .cse24 .cse19)) (.cse21 (= ~a24~0 |old(~a24~0)|)) (.cse5 (<= 12849 ~a12~0)) (.cse22 (= ~a21~0 10)) (.cse17 (<= ~a12~0 11)) (.cse20 (or (and .cse18 .cse23 .cse11 .cse0 .cse24) (and .cse18 .cse23 .cse11 .cse0 .cse19))) (.cse13 (= ~a21~0 7))) (or (not .cse0) (and (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (and .cse7 .cse8 (= ~a21~0 8) .cse5) (and (<= 9 ~a21~0) .cse9 .cse10) (and (and .cse11 .cse12 .cse13) .cse14) (and (and .cse7 .cse15) .cse5) (and .cse14 (and .cse16 .cse8 .cse6)) (and .cse14 (and .cse16 .cse15)) (and (and (and .cse2 (= 7 ~a21~0)) .cse17) .cse12 (= 8 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse11 .cse18 .cse17 .cse4 .cse19) (and (= 9 ~a21~0) .cse8 .cse6 .cse17) (and .cse20 .cse21) (and (and .cse2 .cse21 .cse22) .cse10) (and .cse9 (= 8 ~a21~0)) (and (and .cse21 .cse22 .cse11) .cse17) (and (and .cse11 .cse12 .cse19) .cse5) (not (= 1 |old(~a24~0)|)) (and (and .cse2 .cse3 .cse22) .cse17) (and .cse20 .cse13)))) [2018-12-08 14:36:09,875 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-08 14:36:09,875 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-08 14:36:09,875 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse23 (= ~a15~0 8)) (.cse20 (= ~a24~0 1))) (let ((.cse22 (not (= 6 ~a21~0))) (.cse16 (not (= ~a15~0 6))) (.cse21 (<= 7 |old(~a21~0)|)) (.cse17 (and (not (= ~a21~0 0)) .cse23 .cse20)) (.cse13 (not (= ~a15~0 9))) (.cse7 (= 1 ~a24~0)) (.cse6 (not .cse23)) (.cse3 (= 8 |old(~a15~0)|))) (let ((.cse0 (<= ~a12~0 73282)) (.cse10 (and .cse13 .cse7 .cse6 .cse3)) (.cse11 (<= ~a12~0 76)) (.cse9 (< 11 ~a12~0)) (.cse15 (<= ~a21~0 6)) (.cse12 (and .cse21 .cse3 .cse17)) (.cse4 (and .cse7 .cse21 .cse6 .cse3 .cse22 .cse16)) (.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse14 (<= ~a12~0 11)) (.cse2 (<= 12849 ~a12~0)) (.cse5 (< 80 ~a12~0)) (.cse19 (= ~a21~0 10)) (.cse18 (or (and .cse13 .cse21 .cse6 .cse3 .cse22) (and .cse13 .cse21 .cse6 .cse3 .cse16))) (.cse8 (= ~a21~0 7))) (or (and .cse0 .cse1 (= ~a21~0 8) .cse2) (not .cse3) (and (<= 9 ~a21~0) .cse4 .cse5) (and (and .cse6 .cse7 .cse8) .cse9) (and (and .cse0 .cse10) .cse2) (and .cse9 (and .cse11 .cse10)) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (and .cse11 .cse12) .cse9) (and .cse6 .cse13 .cse14 .cse15 .cse16) (and (and (= 7 ~a21~0) .cse17) .cse14) (and .cse18 .cse1) (and (and .cse17 .cse15) .cse2) (and (= 9 ~a21~0) .cse12 .cse14) (and .cse4 (= 8 ~a21~0)) (and (and .cse1 .cse19) .cse14) (and (and .cse6 .cse7 .cse16) .cse2) (and .cse5 (and .cse20 .cse19)) (not (= 1 |old(~a24~0)|)) (and .cse18 .cse8))))) [2018-12-08 14:36:09,875 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-08 14:36:09,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:36:09 BoogieIcfgContainer [2018-12-08 14:36:09,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:36:09,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:36:09,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:36:09,885 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:36:09,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:33:07" (3/4) ... [2018-12-08 14:36:09,887 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:36:09,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 14:36:09,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 14:36:09,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 14:36:09,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 14:36:09,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 14:36:09,918 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((a12 <= 73282 && a24 == \old(a24)) && a21 == 8) && 12849 <= a12) || !(8 == \old(a15))) || ((9 <= a21 && ((((1 == a24 && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) && !(a15 == 6)) && 80 < a12)) || (((!(a15 == 8) && 1 == a24) && a21 == 7) && 11 < a12)) || ((a12 <= 73282 && ((!(a15 == 9) && 1 == a24) && !(a15 == 8)) && 8 == \old(a15)) && 12849 <= a12)) || (11 < a12 && a12 <= 76 && ((!(a15 == 9) && 1 == a24) && !(a15 == 8)) && 8 == \old(a15))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((a12 <= 76 && (7 <= \old(a21) && 8 == \old(a15)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && 11 < a12)) || ((((!(a15 == 8) && !(a15 == 9)) && a12 <= 11) && a21 <= 6) && !(a15 == 6))) || ((7 == a21 && (!(a21 == 0) && a15 == 8) && a24 == 1) && a12 <= 11)) || ((((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) || ((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(a15 == 6))) && a24 == \old(a24))) || ((((!(a21 == 0) && a15 == 8) && a24 == 1) && a21 <= 6) && 12849 <= a12)) || ((9 == a21 && (7 <= \old(a21) && 8 == \old(a15)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && a12 <= 11)) || ((((((1 == a24 && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) && !(a15 == 6)) && 8 == a21)) || ((a24 == \old(a24) && a21 == 10) && a12 <= 11)) || (((!(a15 == 8) && 1 == a24) && !(a15 == 6)) && 12849 <= a12)) || (80 < a12 && a24 == 1 && a21 == 10)) || !(1 == \old(a24))) || ((((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) || ((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(a15 == 6))) && a21 == 7) [2018-12-08 14:36:09,971 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d997b2e2-4edc-4524-ab08-733d3c1bc4db/bin-2019/utaipan/witness.graphml [2018-12-08 14:36:09,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:36:09,972 INFO L168 Benchmark]: Toolchain (without parser) took 183815.49 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 941.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,972 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:36:09,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.93 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,973 INFO L168 Benchmark]: Boogie Preprocessor took 50.28 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,973 INFO L168 Benchmark]: RCFGBuilder took 720.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,973 INFO L168 Benchmark]: TraceAbstraction took 182566.75 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 984.5 MB in the beginning and 2.0 GB in the end (delta: -986.0 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,973 INFO L168 Benchmark]: Witness Printer took 86.94 ms. Allocated memory is still 4.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-12-08 14:36:09,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.93 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.28 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 720.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 182566.75 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 984.5 MB in the beginning and 2.0 GB in the end (delta: -986.0 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 86.94 ms. Allocated memory is still 4.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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 Derived loop invariant: (((((((((((((((((((((a12 <= 73282 && a24 == \old(a24)) && a21 == 8) && 12849 <= a12) || !(8 == \old(a15))) || ((9 <= a21 && ((((1 == a24 && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) && !(a15 == 6)) && 80 < a12)) || (((!(a15 == 8) && 1 == a24) && a21 == 7) && 11 < a12)) || ((a12 <= 73282 && ((!(a15 == 9) && 1 == a24) && !(a15 == 8)) && 8 == \old(a15)) && 12849 <= a12)) || (11 < a12 && a12 <= 76 && ((!(a15 == 9) && 1 == a24) && !(a15 == 8)) && 8 == \old(a15))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((a12 <= 76 && (7 <= \old(a21) && 8 == \old(a15)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && 11 < a12)) || ((((!(a15 == 8) && !(a15 == 9)) && a12 <= 11) && a21 <= 6) && !(a15 == 6))) || ((7 == a21 && (!(a21 == 0) && a15 == 8) && a24 == 1) && a12 <= 11)) || ((((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) || ((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(a15 == 6))) && a24 == \old(a24))) || ((((!(a21 == 0) && a15 == 8) && a24 == 1) && a21 <= 6) && 12849 <= a12)) || ((9 == a21 && (7 <= \old(a21) && 8 == \old(a15)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && a12 <= 11)) || ((((((1 == a24 && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) && !(a15 == 6)) && 8 == a21)) || ((a24 == \old(a24) && a21 == 10) && a12 <= 11)) || (((!(a15 == 8) && 1 == a24) && !(a15 == 6)) && 12849 <= a12)) || (80 < a12 && a24 == 1 && a21 == 10)) || !(1 == \old(a24))) || ((((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(6 == a21)) || ((((!(a15 == 9) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && !(a15 == 6))) && a21 == 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 182.5s OverallTime, 17 OverallIterations, 12 TraceHistogramMax, 96.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1093 SDtfs, 23641 SDslu, 1925 SDs, 0 SdLazy, 33089 SolverSat, 4861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 76.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 16818 GetRequests, 16344 SyntacticMatches, 19 SemanticMatches, 455 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5635 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4846occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 52.2s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9970503006962547 AbsIntWeakeningRatio, 0.09476661951909476 AbsIntAvgWeakeningVarsNumRemoved, 16.123762376237625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 3054 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 262 PreInvPairs, 352 NumberOfFragments, 1425 HoareAnnotationTreeSize, 262 FomulaSimplifications, 433723 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 266178 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 18022 NumberOfCodeBlocks, 18022 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 25383 ConstructedInterpolants, 0 QuantifiedInterpolants, 99256702 SizeOfPredicates, 27 NumberOfNonLiveVariables, 10643 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 35 InterpolantComputations, 4 PerfectInterpolantSequences, 60914/69892 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...