./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.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_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 2cbba2f347a5f731d69761cd1db09e4f61b27a47 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:58:06,620 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:58:06,621 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:58:06,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:58:06,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:58:06,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:58:06,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:58:06,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:58:06,630 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:58:06,630 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:58:06,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:58:06,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:58:06,631 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:58:06,632 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:58:06,633 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:58:06,633 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:58:06,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:58:06,634 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:58:06,635 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:58:06,636 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:58:06,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:58:06,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:58:06,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:58:06,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:58:06,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:58:06,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:58:06,639 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:58:06,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:58:06,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:58:06,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:58:06,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:58:06,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:58:06,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:58:06,642 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:58:06,642 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:58:06,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:58:06,643 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:58:06,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:58:06,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:58:06,650 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:58:06,650 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:58:06,650 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:58:06,651 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:58:06,651 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:58:06,652 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:58:06,652 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:58:06,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:58:06,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:58:06,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:58:06,653 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_db17efdb-568c-4ace-a315-8af9c15a0cab/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 -> 2cbba2f347a5f731d69761cd1db09e4f61b27a47 [2018-12-02 04:58:06,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:58:06,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:58:06,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:58:06,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:58:06,685 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:58:06,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c [2018-12-02 04:58:06,725 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/data/6fb75754f/683766824fde403a94e30ffe1bc10d35/FLAG1f8f1424c [2018-12-02 04:58:07,239 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:58:07,240 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c [2018-12-02 04:58:07,251 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/data/6fb75754f/683766824fde403a94e30ffe1bc10d35/FLAG1f8f1424c [2018-12-02 04:58:07,755 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/data/6fb75754f/683766824fde403a94e30ffe1bc10d35 [2018-12-02 04:58:07,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:58:07,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:58:07,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:58:07,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:58:07,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:58:07,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:58:07" (1/1) ... [2018-12-02 04:58:07,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:07, skipping insertion in model container [2018-12-02 04:58:07,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:58:07" (1/1) ... [2018-12-02 04:58:07,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:58:07,811 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:58:08,117 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:58:08,120 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:58:08,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:58:08,318 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:58:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08 WrapperNode [2018-12-02 04:58:08,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:58:08,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:58:08,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:58:08,319 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:58:08,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:58:08,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:58:08,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:58:08,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:58:08,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... [2018-12-02 04:58:08,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:58:08,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:58:08,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:58:08,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:58:08,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 04:58:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:58:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:58:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 04:58:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 04:58:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 04:58:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 04:58:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:58:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:58:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:58:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:58:09,725 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:58:09,725 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 04:58:09,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:09 BoogieIcfgContainer [2018-12-02 04:58:09,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:58:09,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:58:09,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:58:09,729 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:58:09,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:58:07" (1/3) ... [2018-12-02 04:58:09,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1780dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:58:09, skipping insertion in model container [2018-12-02 04:58:09,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:08" (2/3) ... [2018-12-02 04:58:09,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1780dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:58:09, skipping insertion in model container [2018-12-02 04:58:09,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:09" (3/3) ... [2018-12-02 04:58:09,732 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label34_true-unreach-call.c [2018-12-02 04:58:09,738 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:58:09,744 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:58:09,755 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:58:09,779 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:58:09,779 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:58:09,779 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:58:09,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:58:09,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:58:09,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:58:09,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:58:09,780 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:58:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 04:58:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 04:58:09,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:58:09,804 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] [2018-12-02 04:58:09,806 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:58:09,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:58:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1472830021, now seen corresponding path program 1 times [2018-12-02 04:58:09,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:58:09,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:09,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:58:09,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:09,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:58:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:58:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:58:09,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:58:09,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:58:09,968 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:58:09,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:58:09,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:58:09,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:58:09,982 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 04:58:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:58:11,081 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 04:58:11,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:58:11,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-12-02 04:58:11,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:58:11,093 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 04:58:11,093 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 04:58:11,097 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 [2018-12-02 04:58:11,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 04:58:11,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 04:58:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 04:58:11,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-02 04:58:11,143 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 40 [2018-12-02 04:58:11,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:58:11,143 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-02 04:58:11,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:58:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-02 04:58:11,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 04:58:11,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:58:11,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:58:11,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:58:11,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:58:11,146 INFO L82 PathProgramCache]: Analyzing trace with hash -992835623, now seen corresponding path program 1 times [2018-12-02 04:58:11,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:58:11,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:11,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:58:11,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:11,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:58:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:58:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:58:11,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:58:11,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:58:11,239 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:58:11,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:58:11,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:58:11,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:58:11,241 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-02 04:58:12,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:58:12,630 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-02 04:58:12,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:58:12,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2018-12-02 04:58:12,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:58:12,638 INFO L225 Difference]: With dead ends: 2066 [2018-12-02 04:58:12,639 INFO L226 Difference]: Without dead ends: 1390 [2018-12-02 04:58:12,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:58:12,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-02 04:58:12,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-02 04:58:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-02 04:58:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-02 04:58:12,681 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 109 [2018-12-02 04:58:12,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:58:12,682 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-02 04:58:12,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:58:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-02 04:58:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 04:58:12,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:58:12,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:58:12,685 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:58:12,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:58:12,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1697451860, now seen corresponding path program 1 times [2018-12-02 04:58:12,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:58:12,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:12,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:58:12,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:12,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:58:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:58:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:58:12,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:58:12,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:58:12,805 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:58:12,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:58:12,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:58:12,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:58:12,806 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-02 04:58:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:58:14,297 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-02 04:58:14,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:58:14,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-12-02 04:58:14,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:58:14,307 INFO L225 Difference]: With dead ends: 3472 [2018-12-02 04:58:14,307 INFO L226 Difference]: Without dead ends: 2106 [2018-12-02 04:58:14,309 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 [2018-12-02 04:58:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-02 04:58:14,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-02 04:58:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-02 04:58:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-02 04:58:14,355 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 138 [2018-12-02 04:58:14,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:58:14,356 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-02 04:58:14,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:58:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-02 04:58:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 04:58:14,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:58:14,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:58:14,358 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:58:14,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:58:14,358 INFO L82 PathProgramCache]: Analyzing trace with hash 41208360, now seen corresponding path program 1 times [2018-12-02 04:58:14,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:58:14,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:14,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:58:14,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:14,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:58:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:58:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:58:14,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:58:14,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:58:14,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:58:14,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:58:14,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:58:14,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:58:14,429 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-02 04:58:15,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:58:15,461 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-02 04:58:15,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:58:15,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-12-02 04:58:15,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:58:15,468 INFO L225 Difference]: With dead ends: 5241 [2018-12-02 04:58:15,468 INFO L226 Difference]: Without dead ends: 3166 [2018-12-02 04:58:15,470 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 [2018-12-02 04:58:15,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-02 04:58:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-02 04:58:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-02 04:58:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-02 04:58:15,509 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 156 [2018-12-02 04:58:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:58:15,510 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-02 04:58:15,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:58:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-02 04:58:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 04:58:15,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:58:15,512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:58:15,512 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:58:15,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:58:15,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1270458365, now seen corresponding path program 1 times [2018-12-02 04:58:15,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:58:15,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:15,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:58:15,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:58:15,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:58:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:58:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 99 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 04:58:15,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:58:15,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:58:15,594 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-12-02 04:58:15,595 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 04:58:15,628 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:58:15,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:58:15,865 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:58:15,866 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 04:58:15,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:58:15,874 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:58:16,105 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 77.72% of their original sizes. [2018-12-02 04:58:16,105 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:58:16,129 INFO L418 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2018-12-02 04:58:16,129 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:58:16,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:58:16,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-02 04:58:16,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:58:16,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:58:16,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:58:16,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:58:16,130 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-02 04:59:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:59:13,563 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-02 04:59:13,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:59:13,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-12-02 04:59:13,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:59:13,569 INFO L225 Difference]: With dead ends: 6612 [2018-12-02 04:59:13,569 INFO L226 Difference]: Without dead ends: 3478 [2018-12-02 04:59:13,572 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:59:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-02 04:59:13,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-02 04:59:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-02 04:59:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-02 04:59:13,610 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 238 [2018-12-02 04:59:13,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:59:13,611 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-02 04:59:13,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:59:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-02 04:59:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 04:59:13,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:59:13,614 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:59:13,614 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:59:13,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:59:13,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1060558331, now seen corresponding path program 1 times [2018-12-02 04:59:13,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:59:13,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:59:13,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:59:13,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:59:13,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:59:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:59:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 169 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 04:59:13,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:59:13,790 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:59:13,790 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 330 with the following transitions: [2018-12-02 04:59:13,790 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 04:59:13,793 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:59:13,793 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:59:13,955 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:59:13,956 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4088 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 04:59:13,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:59:13,958 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:59:14,136 INFO L227 lantSequenceWeakener]: Weakened 326 states. On average, predicates are now at 80.33% of their original sizes. [2018-12-02 04:59:14,137 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:59:14,192 INFO L418 sIntCurrentIteration]: We unified 328 AI predicates to 328 [2018-12-02 04:59:14,192 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:59:14,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:59:14,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 04:59:14,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:59:14,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:59:14,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:59:14,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:59:14,193 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-02 05:00:21,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:00:21,525 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-02 05:00:21,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 05:00:21,525 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 329 [2018-12-02 05:00:21,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:00:21,538 INFO L225 Difference]: With dead ends: 7683 [2018-12-02 05:00:21,538 INFO L226 Difference]: Without dead ends: 4549 [2018-12-02 05:00:21,543 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 338 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 05:00:21,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-02 05:00:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-02 05:00:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 05:00:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-02 05:00:21,605 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 329 [2018-12-02 05:00:21,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:00:21,605 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-02 05:00:21,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 05:00:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-02 05:00:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-12-02 05:00:21,611 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:00:21,611 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:00:21,611 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:00:21,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:21,611 INFO L82 PathProgramCache]: Analyzing trace with hash -931353187, now seen corresponding path program 1 times [2018-12-02 05:00:21,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:00:21,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:21,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:00:21,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:21,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:00:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:00:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 204 proven. 32 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-02 05:00:21,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:00:21,771 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:00:21,771 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 478 with the following transitions: [2018-12-02 05:00:21,771 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:00:21,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:00:21,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:00:22,070 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:00:22,070 INFO L272 AbstractInterpreter]: Visited 249 different actions 741 times. Merged at 7 different actions 16 times. Never widened. Performed 8347 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8347 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 05:00:22,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:22,075 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:00:22,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:00:22,075 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:00:22,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:00:22,085 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:00:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:00:22,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:00:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 05:00:22,266 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:00:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 05:00:22,362 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:00:22,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-02 05:00:22,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:00:22,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:00:22,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:00:22,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:00:22,363 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-02 05:00:23,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:00:23,102 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-02 05:00:23,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:00:23,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 477 [2018-12-02 05:00:23,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:00:23,109 INFO L225 Difference]: With dead ends: 8693 [2018-12-02 05:00:23,110 INFO L226 Difference]: Without dead ends: 4518 [2018-12-02 05:00:23,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 955 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:00:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-02 05:00:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-02 05:00:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 05:00:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-02 05:00:23,157 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 477 [2018-12-02 05:00:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:00:23,157 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-02 05:00:23,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:00:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-02 05:00:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-12-02 05:00:23,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:00:23,163 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:00:23,163 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:00:23,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:23,164 INFO L82 PathProgramCache]: Analyzing trace with hash -348870811, now seen corresponding path program 1 times [2018-12-02 05:00:23,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:00:23,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:23,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:00:23,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:23,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:00:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:00:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 56 proven. 229 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 05:00:23,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:00:23,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:00:23,681 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 503 with the following transitions: [2018-12-02 05:00:23,681 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:00:23,684 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:00:23,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:00:23,963 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 05:00:23,963 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8237 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8237 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 05:00:23,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:23,964 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 05:00:24,199 INFO L227 lantSequenceWeakener]: Weakened 499 states. On average, predicates are now at 80.2% of their original sizes. [2018-12-02 05:00:24,199 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 05:00:24,240 INFO L418 sIntCurrentIteration]: We unified 501 AI predicates to 501 [2018-12-02 05:00:24,241 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 05:00:24,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:00:24,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-02 05:00:24,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:00:24,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:00:24,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:00:24,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:00:24,242 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 9 states. [2018-12-02 05:00:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:00:42,127 INFO L93 Difference]: Finished difference Result 5892 states and 7034 transitions. [2018-12-02 05:00:42,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 05:00:42,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 502 [2018-12-02 05:00:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:00:42,135 INFO L225 Difference]: With dead ends: 5892 [2018-12-02 05:00:42,136 INFO L226 Difference]: Without dead ends: 5890 [2018-12-02 05:00:42,137 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 508 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 05:00:42,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-02 05:00:42,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-02 05:00:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-02 05:00:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 7021 transitions. [2018-12-02 05:00:42,188 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 7021 transitions. Word has length 502 [2018-12-02 05:00:42,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:00:42,189 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 7021 transitions. [2018-12-02 05:00:42,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:00:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 7021 transitions. [2018-12-02 05:00:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2018-12-02 05:00:42,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:00:42,199 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:00:42,199 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:00:42,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:42,200 INFO L82 PathProgramCache]: Analyzing trace with hash 291129668, now seen corresponding path program 1 times [2018-12-02 05:00:42,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:00:42,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:42,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:00:42,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:42,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:00:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:00:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 371 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 05:00:42,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:00:42,455 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:00:42,455 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 640 with the following transitions: [2018-12-02 05:00:42,455 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:00:42,457 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:00:42,457 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:00:42,845 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:00:42,845 INFO L272 AbstractInterpreter]: Visited 250 different actions 997 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 11688 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 05:00:42,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:42,848 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:00:42,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:00:42,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:00:42,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:00:42,854 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:00:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:00:42,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:00:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 676 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-02 05:00:43,065 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:00:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 371 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 05:00:43,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:00:43,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 05:00:43,255 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:00:43,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:00:43,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:00:43,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 05:00:43,256 INFO L87 Difference]: Start difference. First operand 5879 states and 7021 transitions. Second operand 9 states. [2018-12-02 05:00:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:00:46,302 INFO L93 Difference]: Finished difference Result 13972 states and 17412 transitions. [2018-12-02 05:00:46,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 05:00:46,302 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 639 [2018-12-02 05:00:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:00:46,316 INFO L225 Difference]: With dead ends: 13972 [2018-12-02 05:00:46,317 INFO L226 Difference]: Without dead ends: 8436 [2018-12-02 05:00:46,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1299 GetRequests, 1281 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 05:00:46,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-02 05:00:46,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-02 05:00:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-02 05:00:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10171 transitions. [2018-12-02 05:00:46,410 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10171 transitions. Word has length 639 [2018-12-02 05:00:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:00:46,410 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10171 transitions. [2018-12-02 05:00:46,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:00:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10171 transitions. [2018-12-02 05:00:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-12-02 05:00:46,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:00:46,420 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:00:46,420 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:00:46,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:46,420 INFO L82 PathProgramCache]: Analyzing trace with hash -2034424057, now seen corresponding path program 1 times [2018-12-02 05:00:46,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:00:46,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:46,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:00:46,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:00:46,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:00:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:00:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 414 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-02 05:00:47,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:00:47,596 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:00:47,596 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-12-02 05:00:47,596 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:00:47,598 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:00:47,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:00:47,744 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 05:00:47,744 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5483 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5483 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 05:00:47,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:00:47,746 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 05:00:48,130 INFO L227 lantSequenceWeakener]: Weakened 880 states. On average, predicates are now at 77.43% of their original sizes. [2018-12-02 05:00:48,130 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 05:00:48,174 INFO L418 sIntCurrentIteration]: We unified 882 AI predicates to 882 [2018-12-02 05:00:48,174 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 05:00:48,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:00:48,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 05:00:48,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:00:48,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 05:00:48,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 05:00:48,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:00:48,175 INFO L87 Difference]: Start difference. First operand 8412 states and 10171 transitions. Second operand 10 states. [2018-12-02 05:02:13,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:13,825 INFO L93 Difference]: Finished difference Result 16822 states and 20382 transitions. [2018-12-02 05:02:13,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 05:02:13,825 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 883 [2018-12-02 05:02:13,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:13,844 INFO L225 Difference]: With dead ends: 16822 [2018-12-02 05:02:13,844 INFO L226 Difference]: Without dead ends: 8753 [2018-12-02 05:02:13,852 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 890 GetRequests, 874 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 05:02:13,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-12-02 05:02:13,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8751. [2018-12-02 05:02:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8751 states. [2018-12-02 05:02:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8751 states to 8751 states and 10527 transitions. [2018-12-02 05:02:13,947 INFO L78 Accepts]: Start accepts. Automaton has 8751 states and 10527 transitions. Word has length 883 [2018-12-02 05:02:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:13,947 INFO L480 AbstractCegarLoop]: Abstraction has 8751 states and 10527 transitions. [2018-12-02 05:02:13,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 05:02:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 8751 states and 10527 transitions. [2018-12-02 05:02:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2018-12-02 05:02:13,957 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:13,957 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:02:13,958 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:13,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:13,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1883602551, now seen corresponding path program 1 times [2018-12-02 05:02:13,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:13,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:13,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:13,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:13,959 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 619 proven. 499 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-02 05:02:14,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:14,453 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:02:14,453 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 892 with the following transitions: [2018-12-02 05:02:14,453 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:02:14,455 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:02:14,455 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:02:14,682 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 05:02:14,682 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8945 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 05:02:14,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:14,683 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 05:02:15,143 INFO L227 lantSequenceWeakener]: Weakened 888 states. On average, predicates are now at 80.13% of their original sizes. [2018-12-02 05:02:15,143 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 05:02:15,180 INFO L418 sIntCurrentIteration]: We unified 890 AI predicates to 890 [2018-12-02 05:02:15,180 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 05:02:15,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:02:15,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-12-02 05:02:15,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:02:15,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:02:15,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:02:15,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:02:15,181 INFO L87 Difference]: Start difference. First operand 8751 states and 10527 transitions. Second operand 9 states. [2018-12-02 05:02:30,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:30,924 INFO L93 Difference]: Finished difference Result 16829 states and 20358 transitions. [2018-12-02 05:02:30,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 05:02:30,924 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 891 [2018-12-02 05:02:30,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:30,939 INFO L225 Difference]: With dead ends: 16829 [2018-12-02 05:02:30,939 INFO L226 Difference]: Without dead ends: 8760 [2018-12-02 05:02:30,953 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 897 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 05:02:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2018-12-02 05:02:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8753. [2018-12-02 05:02:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8753 states. [2018-12-02 05:02:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8753 states to 8753 states and 10522 transitions. [2018-12-02 05:02:31,037 INFO L78 Accepts]: Start accepts. Automaton has 8753 states and 10522 transitions. Word has length 891 [2018-12-02 05:02:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:31,038 INFO L480 AbstractCegarLoop]: Abstraction has 8753 states and 10522 transitions. [2018-12-02 05:02:31,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:02:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 8753 states and 10522 transitions. [2018-12-02 05:02:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2018-12-02 05:02:31,046 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:31,047 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:02:31,047 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:31,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:31,047 INFO L82 PathProgramCache]: Analyzing trace with hash -386913793, now seen corresponding path program 1 times [2018-12-02 05:02:31,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:31,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:31,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:31,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:31,048 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 303 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-02 05:02:32,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:32,168 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:02:32,168 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 975 with the following transitions: [2018-12-02 05:02:32,168 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:02:32,170 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:02:32,170 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:02:32,589 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:02:32,589 INFO L272 AbstractInterpreter]: Visited 262 different actions 1313 times. Merged at 10 different actions 46 times. Widened at 1 different actions 1 times. Performed 15986 root evaluator evaluations with a maximum evaluation depth of 9. Performed 15986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 05:02:32,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:32,591 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:02:32,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:32,591 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:02:32,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:32,598 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:02:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:32,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:02:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1087 proven. 2 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2018-12-02 05:02:32,980 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:02:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 303 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-02 05:02:33,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:02:33,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-02 05:02:33,424 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:02:33,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 05:02:33,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 05:02:33,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-02 05:02:33,425 INFO L87 Difference]: Start difference. First operand 8753 states and 10522 transitions. Second operand 15 states. [2018-12-02 05:02:39,447 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-12-02 05:02:39,629 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2018-12-02 05:02:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:39,811 INFO L93 Difference]: Finished difference Result 21872 states and 27192 transitions. [2018-12-02 05:02:39,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-02 05:02:39,812 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 974 [2018-12-02 05:02:39,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:39,829 INFO L225 Difference]: With dead ends: 21872 [2018-12-02 05:02:39,830 INFO L226 Difference]: Without dead ends: 11821 [2018-12-02 05:02:39,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2020 GetRequests, 1968 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 05:02:39,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11821 states. [2018-12-02 05:02:39,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11821 to 11749. [2018-12-02 05:02:39,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11749 states. [2018-12-02 05:02:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11749 states to 11749 states and 12848 transitions. [2018-12-02 05:02:39,966 INFO L78 Accepts]: Start accepts. Automaton has 11749 states and 12848 transitions. Word has length 974 [2018-12-02 05:02:39,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:39,966 INFO L480 AbstractCegarLoop]: Abstraction has 11749 states and 12848 transitions. [2018-12-02 05:02:39,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 05:02:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 11749 states and 12848 transitions. [2018-12-02 05:02:39,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1351 [2018-12-02 05:02:39,989 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:39,990 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, 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, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 3, 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] [2018-12-02 05:02:39,990 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:39,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:39,990 INFO L82 PathProgramCache]: Analyzing trace with hash 193531093, now seen corresponding path program 1 times [2018-12-02 05:02:39,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:39,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:39,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:39,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:39,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:41,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 2133 proven. 324 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2018-12-02 05:02:41,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:41,327 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:02:41,327 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1351 with the following transitions: [2018-12-02 05:02:41,327 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:02:41,329 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:02:41,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:02:41,784 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:02:41,784 INFO L272 AbstractInterpreter]: Visited 269 different actions 1080 times. Merged at 11 different actions 36 times. Never widened. Performed 12817 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 05:02:41,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:41,786 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:02:41,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:41,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:02:41,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:41,792 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:02:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:41,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:02:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 05:02:42,353 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:02:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 05:02:42,789 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:02:42,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 05:02:42,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:02:42,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:02:42,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:02:42,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:02:42,791 INFO L87 Difference]: Start difference. First operand 11749 states and 12848 transitions. Second operand 3 states. [2018-12-02 05:02:43,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:43,324 INFO L93 Difference]: Finished difference Result 21131 states and 23243 transitions. [2018-12-02 05:02:43,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:02:43,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1350 [2018-12-02 05:02:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:43,340 INFO L225 Difference]: With dead ends: 21131 [2018-12-02 05:02:43,340 INFO L226 Difference]: Without dead ends: 11749 [2018-12-02 05:02:43,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2711 GetRequests, 2702 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:02:43,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11749 states. [2018-12-02 05:02:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11749 to 11749. [2018-12-02 05:02:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11749 states. [2018-12-02 05:02:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11749 states to 11749 states and 12723 transitions. [2018-12-02 05:02:43,459 INFO L78 Accepts]: Start accepts. Automaton has 11749 states and 12723 transitions. Word has length 1350 [2018-12-02 05:02:43,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:43,459 INFO L480 AbstractCegarLoop]: Abstraction has 11749 states and 12723 transitions. [2018-12-02 05:02:43,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:02:43,460 INFO L276 IsEmpty]: Start isEmpty. Operand 11749 states and 12723 transitions. [2018-12-02 05:02:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1392 [2018-12-02 05:02:43,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:43,475 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, 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, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:02:43,475 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:43,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:43,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1903205644, now seen corresponding path program 1 times [2018-12-02 05:02:43,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:43,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:43,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:43,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:43,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 05:02:44,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:02:44,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 05:02:44,090 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:02:44,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 05:02:44,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 05:02:44,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:02:44,091 INFO L87 Difference]: Start difference. First operand 11749 states and 12723 transitions. Second operand 4 states. [2018-12-02 05:02:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:44,983 INFO L93 Difference]: Finished difference Result 22506 states and 24635 transitions. [2018-12-02 05:02:44,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 05:02:44,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1391 [2018-12-02 05:02:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:45,001 INFO L225 Difference]: With dead ends: 22506 [2018-12-02 05:02:45,001 INFO L226 Difference]: Without dead ends: 12084 [2018-12-02 05:02:45,014 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 [2018-12-02 05:02:45,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12084 states. [2018-12-02 05:02:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12084 to 12084. [2018-12-02 05:02:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12084 states. [2018-12-02 05:02:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12084 states to 12084 states and 13091 transitions. [2018-12-02 05:02:45,133 INFO L78 Accepts]: Start accepts. Automaton has 12084 states and 13091 transitions. Word has length 1391 [2018-12-02 05:02:45,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:45,134 INFO L480 AbstractCegarLoop]: Abstraction has 12084 states and 13091 transitions. [2018-12-02 05:02:45,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 05:02:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12084 states and 13091 transitions. [2018-12-02 05:02:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2018-12-02 05:02:45,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:45,151 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-02 05:02:45,151 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:45,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:45,152 INFO L82 PathProgramCache]: Analyzing trace with hash -421004611, now seen corresponding path program 1 times [2018-12-02 05:02:45,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:45,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:45,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:45,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:45,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 1267 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 05:02:45,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:45,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:02:45,875 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1399 with the following transitions: [2018-12-02 05:02:45,875 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:02:45,877 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:02:45,877 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:02:46,675 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:02:46,675 INFO L272 AbstractInterpreter]: Visited 312 different actions 1239 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 15023 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15023 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 05:02:46,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:46,677 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:02:46,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:46,677 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:02:46,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:46,683 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:02:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:46,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:02:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 1267 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 05:02:47,333 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:02:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 1267 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 05:02:48,049 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:02:48,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 05:02:48,049 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:02:48,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:02:48,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:02:48,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:02:48,050 INFO L87 Difference]: Start difference. First operand 12084 states and 13091 transitions. Second operand 9 states. [2018-12-02 05:02:49,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:49,902 INFO L93 Difference]: Finished difference Result 20156 states and 22138 transitions. [2018-12-02 05:02:49,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 05:02:49,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1398 [2018-12-02 05:02:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:49,916 INFO L225 Difference]: With dead ends: 20156 [2018-12-02 05:02:49,916 INFO L226 Difference]: Without dead ends: 9052 [2018-12-02 05:02:49,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2825 GetRequests, 2802 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 05:02:49,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9052 states. [2018-12-02 05:02:50,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9052 to 8988. [2018-12-02 05:02:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8988 states. [2018-12-02 05:02:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8988 states to 8988 states and 9530 transitions. [2018-12-02 05:02:50,021 INFO L78 Accepts]: Start accepts. Automaton has 8988 states and 9530 transitions. Word has length 1398 [2018-12-02 05:02:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:50,022 INFO L480 AbstractCegarLoop]: Abstraction has 8988 states and 9530 transitions. [2018-12-02 05:02:50,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:02:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 8988 states and 9530 transitions. [2018-12-02 05:02:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1524 [2018-12-02 05:02:50,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:50,038 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, 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, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:02:50,038 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:50,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:50,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1812957191, now seen corresponding path program 1 times [2018-12-02 05:02:50,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:50,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:50,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:50,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:50,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4883 backedges. 1429 proven. 2 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 05:02:50,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:50,896 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:02:50,896 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1524 with the following transitions: [2018-12-02 05:02:50,896 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:02:50,898 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:02:50,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:02:51,365 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:02:51,365 INFO L272 AbstractInterpreter]: Visited 270 different actions 1088 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 12940 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12940 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 05:02:51,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:51,366 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:02:51,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:51,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:02:51,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:51,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:02:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:51,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:02:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4883 backedges. 1429 proven. 2 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 05:02:52,063 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:02:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4883 backedges. 1429 proven. 2 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 05:02:52,783 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:02:52,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 05:02:52,784 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:02:52,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:02:52,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:02:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:02:52,785 INFO L87 Difference]: Start difference. First operand 8988 states and 9530 transitions. Second operand 9 states. [2018-12-02 05:02:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:02:53,976 INFO L93 Difference]: Finished difference Result 16899 states and 17836 transitions. [2018-12-02 05:02:53,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 05:02:53,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1523 [2018-12-02 05:02:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:02:53,986 INFO L225 Difference]: With dead ends: 16899 [2018-12-02 05:02:53,986 INFO L226 Difference]: Without dead ends: 8593 [2018-12-02 05:02:53,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3063 GetRequests, 3047 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 05:02:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8593 states. [2018-12-02 05:02:54,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8593 to 8569. [2018-12-02 05:02:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8569 states. [2018-12-02 05:02:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8569 states to 8569 states and 8851 transitions. [2018-12-02 05:02:54,056 INFO L78 Accepts]: Start accepts. Automaton has 8569 states and 8851 transitions. Word has length 1523 [2018-12-02 05:02:54,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:02:54,057 INFO L480 AbstractCegarLoop]: Abstraction has 8569 states and 8851 transitions. [2018-12-02 05:02:54,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:02:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8569 states and 8851 transitions. [2018-12-02 05:02:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1611 [2018-12-02 05:02:54,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:02:54,072 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, 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, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:02:54,072 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:02:54,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:54,072 INFO L82 PathProgramCache]: Analyzing trace with hash 827766094, now seen corresponding path program 1 times [2018-12-02 05:02:54,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:02:54,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:54,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:54,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:02:54,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:02:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5009 backedges. 1343 proven. 253 refuted. 0 times theorem prover too weak. 3413 trivial. 0 not checked. [2018-12-02 05:02:55,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:55,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:02:55,538 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1611 with the following transitions: [2018-12-02 05:02:55,538 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 05:02:55,540 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:02:55,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:02:56,167 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:02:56,167 INFO L272 AbstractInterpreter]: Visited 315 different actions 1260 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 15246 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15246 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 05:02:56,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:02:56,170 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:02:56,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:02:56,170 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/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 [2018-12-02 05:02:56,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:02:56,177 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:02:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:02:56,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:02:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5009 backedges. 3558 proven. 6 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2018-12-02 05:02:57,098 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:02:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5009 backedges. 1486 proven. 606 refuted. 0 times theorem prover too weak. 2917 trivial. 0 not checked. [2018-12-02 05:02:58,536 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:02:58,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2018-12-02 05:02:58,536 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:02:58,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 05:02:58,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 05:02:58,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2018-12-02 05:02:58,537 INFO L87 Difference]: Start difference. First operand 8569 states and 8851 transitions. Second operand 19 states. [2018-12-02 05:03:15,521 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-12-02 05:03:17,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:03:17,397 INFO L93 Difference]: Finished difference Result 16520 states and 17180 transitions. [2018-12-02 05:03:17,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-12-02 05:03:17,397 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1610 [2018-12-02 05:03:17,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:03:17,397 INFO L225 Difference]: With dead ends: 16520 [2018-12-02 05:03:17,397 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 05:03:17,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3327 GetRequests, 3253 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=845, Invalid=4267, Unknown=0, NotChecked=0, Total=5112 [2018-12-02 05:03:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 05:03:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 05:03:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 05:03:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 05:03:17,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1610 [2018-12-02 05:03:17,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:03:17,409 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 05:03:17,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 05:03:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 05:03:17,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:03:17,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 05:03:17,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,565 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 182 [2018-12-02 05:03:17,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:03:17,912 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 229 [2018-12-02 05:03:18,337 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 69 [2018-12-02 05:03:19,181 WARN L180 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 109 [2018-12-02 05:03:19,918 WARN L180 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 83 [2018-12-02 05:03:20,927 WARN L180 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 242 DAG size of output: 98 [2018-12-02 05:03:22,177 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 230 DAG size of output: 65 [2018-12-02 05:03:22,181 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:03:22,182 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 05:03:22,182 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:03:22,182 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,182 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 05:03:22,183 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,183 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,183 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,183 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,183 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,184 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,185 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,186 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,186 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,186 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,186 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,186 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,186 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,187 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse10 (<= ~a18~0 |old(~a18~0)|)) (.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse1 (= 8 |old(~a12~0)|)) (.cse15 (= 3 |old(~a15~0)|)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse13 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (= 6 |old(~a12~0)|)) (.cse7 (= 5 |old(~a12~0)|)) (.cse2 (and (= |old(~a16~0)| ~a16~0) .cse11 .cse13)) (.cse12 (= ~a16~0 10)) (.cse14 (not (= 10 |old(~a16~0)|))) (.cse4 (not .cse15)) (.cse19 (not .cse1)) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse16 (= 4 |old(~a15~0)|)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse20 (< 134 |old(~a18~0)|)) (.cse17 (< 8 |old(~a16~0)|)) (.cse8 (and .cse10 .cse11 .cse18 .cse13)) (.cse9 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3) (or (let ((.cse5 (not (= (+ |old(~a18~0)| 87) 0)))) (and (or .cse4 .cse5 (not .cse0) .cse6) (or .cse4 (not .cse7) .cse5 .cse6))) (= (+ ~a18~0 87) 0)) (or .cse1 .cse8 .cse3 .cse9) (or .cse4 .cse1 (= 0 |old(~a12~0)|) .cse6 .cse8) (or (and .cse10 .cse11 .cse12 .cse13) .cse14 (< 7 |old(~a12~0)|) .cse9) (or (and .cse15 .cse7 (= 8 |old(~a16~0)|)) .cse16 .cse2 .cse17) (or .cse16 (and .cse12 .cse11 .cse13) .cse14) (or (and .cse10 .cse18 (= 3 ~a15~0) .cse13) .cse4 .cse19 .cse20 .cse3) (or .cse4 .cse8 .cse19 .cse6 .cse20) (or .cse16 .cse8 (< |old(~a16~0)| 12)) (or .cse8 .cse20 .cse3 .cse9) (or .cse8 .cse20 .cse17 .cse9) (or .cse1 .cse17 .cse8 .cse9)))) [2018-12-02 05:03:22,187 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,187 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,187 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,187 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,188 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,189 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,190 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 05:03:22,191 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 05:03:22,192 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (= 8 |old(~a12~0)|)) (.cse10 (<= ~a18~0 |old(~a18~0)|)) (.cse8 (not (= calculate_output_~input 0))) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse13 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (= ~a16~0 10)) (.cse2 (and (= |old(~a16~0)| ~a16~0) .cse11 .cse13)) (.cse18 (and .cse10 .cse11 .cse8 .cse22 .cse13)) (.cse21 (< |old(~a16~0)| 12)) (.cse15 (not .cse1)) (.cse19 (= 4 |old(~a15~0)|)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse14 (not (= 10 |old(~a16~0)|))) (.cse17 (< 134 |old(~a18~0)|)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse0 (= 6 |old(~a12~0)|)) (.cse6 (not (= 3 |old(~a15~0)|))) (.cse7 (not (= 5 |old(~a12~0)|))) (.cse16 (not (= 11 |old(~a16~0)|))) (.cse20 (< 8 |old(~a16~0)|)) (.cse4 (and .cse10 .cse11 .cse22 .cse13)) (.cse5 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse3) (or (and .cse10 .cse11 .cse12 .cse13) .cse14 (< 7 |old(~a12~0)|) .cse5) (or .cse6 .cse15 .cse16 .cse9 .cse17 .cse18) (or .cse19 (and .cse12 .cse11 .cse13) .cse14) (or .cse19 .cse2 .cse20) (or .cse6 .cse16 .cse9 .cse18 .cse1 (= 0 |old(~a12~0)|)) (or .cse6 .cse7 .cse8 .cse21 .cse9) (or .cse19 .cse4 .cse21) (or (and .cse10 .cse22 (= 3 ~a15~0) .cse13) .cse6 .cse15 .cse17 .cse3) (or .cse19 (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3))) .cse20) (or .cse4 .cse17 .cse3 .cse5) (or .cse6 .cse7 .cse9 .cse14 .cse8) (or .cse4 .cse17 .cse20 .cse5) (or (= (+ ~a18~0 87) 0) .cse9 (and (or .cse6 (not .cse0) .cse16) (or .cse6 .cse7 .cse16)) (not (= (+ |old(~a18~0)| 87) 0))) (or .cse1 .cse20 .cse4 .cse5)))) [2018-12-02 05:03:22,192 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,192 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 05:03:22,192 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,193 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,194 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,195 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,196 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,197 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,198 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,199 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 05:03:22,200 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,201 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,202 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,203 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse24 (= ~a16~0 |old(~a16~0)|)) (.cse14 (<= ~a18~0 |old(~a18~0)|)) (.cse25 (= |old(~a16~0)| ~a16~0)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse17 (= |old(~a12~0)| ~a12~0)) (.cse11 (not (= 3 |old(~a15~0)|))) (.cse19 (not (= 5 |old(~a12~0)|))) (.cse13 (not (= (+ |old(~a18~0)| 87) 0))) (.cse12 (not (= 11 |old(~a16~0)|)))) (let ((.cse0 (= 6 |old(~a12~0)|)) (.cse10 (= (+ ~a18~0 87) 0)) (.cse16 (= ~a16~0 10)) (.cse18 (not (= 10 |old(~a16~0)|))) (.cse5 (and (or (not (= 8 |old(~a16~0)|)) .cse11 .cse19) (or .cse11 .cse19 .cse13 .cse12))) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse4 (= |calculate_output_#in~input| 0)) (.cse22 (= 0 |old(~a12~0)|)) (.cse2 (and .cse25 .cse15 .cse17)) (.cse21 (= 4 |old(~a15~0)|)) (.cse20 (and .cse25 .cse14 .cse15 .cse17)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse7 (< 134 |old(~a18~0)|)) (.cse1 (= 8 |old(~a12~0)|)) (.cse23 (< 8 |old(~a16~0)|)) (.cse8 (and .cse14 .cse15 .cse24 .cse17)) (.cse9 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (<= |old(~a18~0)| 134) (< 0 (+ |old(~a18~0)| 156))) .cse4 .cse5 (or .cse6 (< 134 ~a18~0))) (or .cse7 .cse8 .cse3 .cse9) (or .cse10 .cse4 (or .cse11 (not .cse0) .cse12) .cse13) (or (and .cse14 .cse15 .cse16 .cse17) .cse18 (< 7 |old(~a12~0)|) .cse9) (or .cse10 (or .cse11 .cse19 .cse12 .cse4 .cse13)) (or .cse1 .cse20 .cse3 .cse9) (or .cse21 (and .cse16 .cse15 .cse17) .cse18) (or (<= (+ |old(~a18~0)| 79) 0) .cse4 .cse5 (or .cse6 (< 0 (+ ~a18~0 79)))) (or .cse11 .cse8 .cse12 .cse4 .cse1 .cse22) (or .cse11 .cse8 .cse12 .cse4 .cse7 .cse22) (or .cse21 .cse23 .cse2) (or .cse21 .cse20 (< |old(~a16~0)| 12)) (or .cse11 (and .cse14 .cse24 (= 3 ~a15~0) .cse17) (not .cse1) .cse7 .cse3) (or .cse8 .cse7 .cse23 .cse9) (or .cse1 .cse23 .cse8 .cse9)))) [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,204 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,205 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,206 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,207 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,208 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,209 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,210 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,211 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,212 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 05:03:22,213 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,214 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,215 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 05:03:22,216 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse12 (not (= ~a12~0 6))) (.cse5 (not (= ~a15~0 4))) (.cse10 (= 9 ~a16~0))) (let ((.cse6 (not (= main_~input~0 0))) (.cse7 (= ~a15~0 3)) (.cse8 (not (= ~a12~0 0))) (.cse9 (not .cse10)) (.cse3 (= ~a16~0 10)) (.cse0 (<= ~a16~0 8)) (.cse2 (and .cse12 .cse5 (not (= ~a16~0 12)))) (.cse11 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 134)) (.cse1 (not (= ~a12~0 8)))) (or (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (and .cse2 .cse3) (and .cse0 .cse4) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 12 ~a16~0) .cse5) (not (= 3 |old(~a15~0)|)) (and .cse6 .cse7 .cse1 .cse8 .cse9) (and .cse10 .cse11 .cse1) (and .cse6 .cse7 .cse4 .cse8 .cse9) (and .cse3 (<= ~a12~0 7)) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse0) (and .cse4 (and .cse10 .cse2) (= 3 ~a15~0)) (and (and .cse10 .cse11) .cse4) (and .cse10 .cse12 .cse1)))) [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 05:03:22,216 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 05:03:22,217 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse11 (not (= ~a12~0 6))) (.cse9 (not (= ~a15~0 4)))) (let ((.cse5 (= ~a15~0 3)) (.cse6 (not (= ~a12~0 0))) (.cse3 (= ~a16~0 10)) (.cse7 (<= ~a12~0 7)) (.cse2 (and .cse11 .cse9 (not (= ~a16~0 12)))) (.cse0 (<= ~a16~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 134)) (.cse8 (= 9 ~a16~0)) (.cse1 (not (= ~a12~0 8)))) (or (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (and .cse2 .cse3) (and .cse0 .cse4) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse5 .cse6 .cse7 (not .cse8)) (and (<= 12 ~a16~0) .cse9) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse10 .cse1) (and .cse5 (= 8 ~a12~0) .cse4) (and .cse11 .cse5 .cse6 .cse1) (and .cse3 .cse7) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse0) (and (and .cse8 .cse10) .cse4) (and .cse8 .cse11 .cse1)))) [2018-12-02 05:03:22,217 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 05:03:22,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:03:22 BoogieIcfgContainer [2018-12-02 05:03:22,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:03:22,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:03:22,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:03:22,225 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:03:22,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:09" (3/4) ... [2018-12-02 05:03:22,227 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:03:22,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 05:03:22,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 05:03:22,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 05:03:22,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 05:03:22,242 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 05:03:22,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 05:03:22,262 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((a16 <= 8 && !(a12 == 8)) || !(11 == \old(a16))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || (a16 <= 8 && a18 <= 134)) || !(\old(a18) + 87 == 0)) || (((a15 == 3 && !(a12 == 0)) && a12 <= 7) && !(9 == a16))) || (12 <= a16 && !(a15 == 4))) || !(3 == \old(a15))) || ((9 == a16 && 4 <= a15) && !(a12 == 8))) || ((a15 == 3 && 8 == a12) && a18 <= 134)) || (((!(a12 == 6) && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (a16 == 10 && a12 <= 7)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 <= 8)) || ((9 == a16 && 4 <= a15) && a18 <= 134)) || ((9 == a16 && !(a12 == 6)) && !(a12 == 8)) [2018-12-02 05:03:22,345 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db17efdb-568c-4ace-a315-8af9c15a0cab/bin-2019/utaipan/witness.graphml [2018-12-02 05:03:22,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:03:22,346 INFO L168 Benchmark]: Toolchain (without parser) took 314588.99 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 941.6 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,346 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:03:22,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.14 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,347 INFO L168 Benchmark]: Boogie Preprocessor took 62.40 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,347 INFO L168 Benchmark]: RCFGBuilder took 1320.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.4 MB in the end (delta: 241.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,347 INFO L168 Benchmark]: TraceAbstraction took 312497.92 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 845.4 MB in the beginning and 3.8 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,347 INFO L168 Benchmark]: Witness Printer took 120.87 ms. Allocated memory is still 5.4 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 17.2 kB). Peak memory consumption was 17.2 kB. Max. memory is 11.5 GB. [2018-12-02 05:03:22,349 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 560.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.14 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.40 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1320.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.4 MB in the end (delta: 241.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 312497.92 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 845.4 MB in the beginning and 3.8 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 120.87 ms. Allocated memory is still 5.4 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 17.2 kB). Peak memory consumption was 17.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((a16 <= 8 && !(a12 == 8)) || !(11 == \old(a16))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || (a16 <= 8 && a18 <= 134)) || !(\old(a18) + 87 == 0)) || (((a15 == 3 && !(a12 == 0)) && a12 <= 7) && !(9 == a16))) || (12 <= a16 && !(a15 == 4))) || !(3 == \old(a15))) || ((9 == a16 && 4 <= a15) && !(a12 == 8))) || ((a15 == 3 && 8 == a12) && a18 <= 134)) || (((!(a12 == 6) && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (a16 == 10 && a12 <= 7)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 <= 8)) || ((9 == a16 && 4 <= a15) && a18 <= 134)) || ((9 == a16 && !(a12 == 6)) && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 312.4s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 282.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2940 SDtfs, 23856 SDslu, 2402 SDs, 0 SdLazy, 65138 SolverSat, 6622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 252.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 19115 GetRequests, 18823 SyntacticMatches, 17 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2435 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12084occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.5s AbstIntTime, 12 AbstIntIterations, 5 AbstIntStrong, 0.9980315471679805 AbsIntWeakeningRatio, 0.06060606060606061 AbsIntAvgWeakeningVarsNumRemoved, 16.093023255813954 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 305 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1294 PreInvPairs, 1501 NumberOfFragments, 1650 HoareAnnotationTreeSize, 1294 FomulaSimplifications, 38573 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 26624 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 20619 NumberOfCodeBlocks, 20619 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 28559 ConstructedInterpolants, 0 QuantifiedInterpolants, 84869577 SizeOfPredicates, 7 NumberOfNonLiveVariables, 10514 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 31 InterpolantComputations, 9 PerfectInterpolantSequences, 62386/66592 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...