./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_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_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:44:30,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:44:30,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:44:30,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:44:30,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:44:30,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:44:30,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:44:30,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:44:30,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:44:30,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:44:30,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:44:30,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:44:30,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:44:30,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:44:30,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:44:30,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:44:30,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:44:30,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:44:30,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:44:30,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:44:30,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:44:30,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:44:30,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:44:30,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:44:30,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:44:30,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:44:30,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:44:30,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:44:30,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:44:30,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:44:30,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:44:30,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:44:30,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:44:30,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:44:30,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:44:30,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:44:30,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 05:44:30,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:44:30,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:44:30,583 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:44:30,584 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:44:30,584 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 05:44:30,584 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 05:44:30,584 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 05:44:30,584 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 05:44:30,584 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 05:44:30,584 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 05:44:30,585 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 05:44:30,585 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 05:44:30,585 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 05:44:30,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:44:30,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:44:30,585 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:44:30,586 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:44:30,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:44:30,587 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:44:30,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:44:30,587 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:44:30,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:44:30,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:44:30,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:44:30,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:44:30,588 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 05:44:30,588 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:44:30,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:44:30,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 05:44:30,588 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_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-12-02 05:44:30,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:44:30,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:44:30,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:44:30,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:44:30,620 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:44:30,621 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-02 05:44:30,656 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/data/e8ce9bd19/673c2950e7ca4d5785b3f370eef4acd3/FLAGd5ee08d1d [2018-12-02 05:44:31,027 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:44:31,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-02 05:44:31,036 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/data/e8ce9bd19/673c2950e7ca4d5785b3f370eef4acd3/FLAGd5ee08d1d [2018-12-02 05:44:31,393 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/data/e8ce9bd19/673c2950e7ca4d5785b3f370eef4acd3 [2018-12-02 05:44:31,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:44:31,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:44:31,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:44:31,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:44:31,406 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:44:31,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@870cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31, skipping insertion in model container [2018-12-02 05:44:31,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:44:31,450 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:44:31,651 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:44:31,654 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:44:31,738 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:44:31,747 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:44:31,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31 WrapperNode [2018-12-02 05:44:31,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:44:31,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:44:31,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:44:31,748 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:44:31,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:44:31,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:44:31,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:44:31,766 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:44:31,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... [2018-12-02 05:44:31,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:44:31,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:44:31,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:44:31,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:44:31,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 05:44:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:44:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:44:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 05:44:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 05:44:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:44:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:44:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:44:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:44:32,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:44:32,462 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 05:44:32,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:32 BoogieIcfgContainer [2018-12-02 05:44:32,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:44:32,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:44:32,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:44:32,466 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:44:32,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:44:31" (1/3) ... [2018-12-02 05:44:32,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2680224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:44:32, skipping insertion in model container [2018-12-02 05:44:32,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:31" (2/3) ... [2018-12-02 05:44:32,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2680224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:44:32, skipping insertion in model container [2018-12-02 05:44:32,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:32" (3/3) ... [2018-12-02 05:44:32,469 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-12-02 05:44:32,477 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:44:32,482 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:44:32,496 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:44:32,522 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:44:32,522 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:44:32,523 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:44:32,523 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:44:32,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:44:32,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:44:32,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:44:32,523 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:44:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-02 05:44:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 05:44:32,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:32,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:32,550 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:32,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2018-12-02 05:44:32,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:32,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:32,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:32,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:32,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:32,768 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 05:44:32,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:32,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 05:44:32,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:32,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:44:32,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:44:32,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:44:32,784 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-02 05:44:33,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:33,267 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-02 05:44:33,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:44:33,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-02 05:44:33,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:33,276 INFO L225 Difference]: With dead ends: 571 [2018-12-02 05:44:33,277 INFO L226 Difference]: Without dead ends: 294 [2018-12-02 05:44:33,280 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 05:44:33,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-02 05:44:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-02 05:44:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-02 05:44:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 421 transitions. [2018-12-02 05:44:33,316 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 421 transitions. Word has length 70 [2018-12-02 05:44:33,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:33,316 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 421 transitions. [2018-12-02 05:44:33,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:44:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 421 transitions. [2018-12-02 05:44:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 05:44:33,319 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:33,319 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:44:33,319 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:33,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:33,320 INFO L82 PathProgramCache]: Analyzing trace with hash -195666983, now seen corresponding path program 1 times [2018-12-02 05:44:33,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:33,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:33,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:33,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:33,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:44:33,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:33,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:44:33,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:33,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:44:33,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:44:33,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:44:33,426 INFO L87 Difference]: Start difference. First operand 294 states and 421 transitions. Second operand 6 states. [2018-12-02 05:44:33,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:33,907 INFO L93 Difference]: Finished difference Result 741 states and 1061 transitions. [2018-12-02 05:44:33,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:44:33,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-02 05:44:33,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:33,911 INFO L225 Difference]: With dead ends: 741 [2018-12-02 05:44:33,911 INFO L226 Difference]: Without dead ends: 453 [2018-12-02 05:44:33,912 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 05:44:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-12-02 05:44:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 445. [2018-12-02 05:44:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-12-02 05:44:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 606 transitions. [2018-12-02 05:44:33,929 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 606 transitions. Word has length 139 [2018-12-02 05:44:33,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:33,930 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 606 transitions. [2018-12-02 05:44:33,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:44:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 606 transitions. [2018-12-02 05:44:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 05:44:33,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:33,932 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:44:33,932 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:33,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:33,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2018-12-02 05:44:33,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:33,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:33,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:33,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:33,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:44:34,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:34,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 05:44:34,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:34,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 05:44:34,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 05:44:34,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:44:34,033 INFO L87 Difference]: Start difference. First operand 445 states and 606 transitions. Second operand 4 states. [2018-12-02 05:44:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:34,562 INFO L93 Difference]: Finished difference Result 1609 states and 2232 transitions. [2018-12-02 05:44:34,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 05:44:34,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2018-12-02 05:44:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:34,565 INFO L225 Difference]: With dead ends: 1609 [2018-12-02 05:44:34,565 INFO L226 Difference]: Without dead ends: 735 [2018-12-02 05:44:34,567 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 05:44:34,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-12-02 05:44:34,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 592. [2018-12-02 05:44:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-02 05:44:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 801 transitions. [2018-12-02 05:44:34,581 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 801 transitions. Word has length 149 [2018-12-02 05:44:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:34,582 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 801 transitions. [2018-12-02 05:44:34,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 05:44:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 801 transitions. [2018-12-02 05:44:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 05:44:34,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:34,585 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:44:34,585 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:34,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:34,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2018-12-02 05:44:34,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:34,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:34,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:34,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:34,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:44:34,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:34,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:44:34,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:34,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:44:34,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:44:34,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:44:34,733 INFO L87 Difference]: Start difference. First operand 592 states and 801 transitions. Second operand 6 states. [2018-12-02 05:44:35,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:35,153 INFO L93 Difference]: Finished difference Result 1492 states and 2064 transitions. [2018-12-02 05:44:35,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:44:35,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-12-02 05:44:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:35,157 INFO L225 Difference]: With dead ends: 1492 [2018-12-02 05:44:35,157 INFO L226 Difference]: Without dead ends: 906 [2018-12-02 05:44:35,158 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 05:44:35,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-12-02 05:44:35,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 890. [2018-12-02 05:44:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-12-02 05:44:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1141 transitions. [2018-12-02 05:44:35,180 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1141 transitions. Word has length 192 [2018-12-02 05:44:35,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:35,181 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1141 transitions. [2018-12-02 05:44:35,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:44:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1141 transitions. [2018-12-02 05:44:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 05:44:35,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:35,183 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:35,183 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:35,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:35,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1889340864, now seen corresponding path program 1 times [2018-12-02 05:44:35,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:35,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:35,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:35,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:35,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 126 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 05:44:35,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:35,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:35,272 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-12-02 05:44:35,273 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 05:44:35,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:35,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:35,501 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 05:44:35,502 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Performed 828 root evaluator evaluations with a maximum evaluation depth of 3. Performed 828 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 05:44:35,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:35,510 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 05:44:35,762 INFO L227 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 73.68% of their original sizes. [2018-12-02 05:44:35,762 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 05:44:35,784 INFO L418 sIntCurrentIteration]: We unified 238 AI predicates to 238 [2018-12-02 05:44:35,784 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 05:44:35,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:44:35,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-02 05:44:35,785 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:35,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:44:35,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:44:35,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:44:35,786 INFO L87 Difference]: Start difference. First operand 890 states and 1141 transitions. Second operand 6 states. [2018-12-02 05:44:43,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:43,481 INFO L93 Difference]: Finished difference Result 1918 states and 2452 transitions. [2018-12-02 05:44:43,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:44:43,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 239 [2018-12-02 05:44:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:43,484 INFO L225 Difference]: With dead ends: 1918 [2018-12-02 05:44:43,484 INFO L226 Difference]: Without dead ends: 1034 [2018-12-02 05:44:43,485 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 234 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 05:44:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-12-02 05:44:43,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1033. [2018-12-02 05:44:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-12-02 05:44:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1290 transitions. [2018-12-02 05:44:43,499 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1290 transitions. Word has length 239 [2018-12-02 05:44:43,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:43,499 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1290 transitions. [2018-12-02 05:44:43,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:44:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1290 transitions. [2018-12-02 05:44:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 05:44:43,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:43,502 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:43,502 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:43,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:43,503 INFO L82 PathProgramCache]: Analyzing trace with hash -122970787, now seen corresponding path program 1 times [2018-12-02 05:44:43,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:43,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:43,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:43,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:43,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 05:44:43,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:43,946 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:43,947 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-12-02 05:44:43,947 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 05:44:43,949 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:43,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:45,353 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:44:45,353 INFO L272 AbstractInterpreter]: Visited 97 different actions 382 times. Merged at 7 different actions 27 times. Never widened. Performed 3729 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3729 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 05:44:45,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:45,357 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:44:45,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:45,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 05:44:45,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:45,363 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:44:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:45,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:44:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 05:44:45,570 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:44:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 05:44:45,801 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:44:45,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 18 [2018-12-02 05:44:45,801 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:44:45,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 05:44:45,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 05:44:45,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-12-02 05:44:45,802 INFO L87 Difference]: Start difference. First operand 1033 states and 1290 transitions. Second operand 17 states. [2018-12-02 05:44:47,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:47,802 INFO L93 Difference]: Finished difference Result 2424 states and 3267 transitions. [2018-12-02 05:44:47,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-12-02 05:44:47,802 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 309 [2018-12-02 05:44:47,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:47,806 INFO L225 Difference]: With dead ends: 2424 [2018-12-02 05:44:47,806 INFO L226 Difference]: Without dead ends: 1540 [2018-12-02 05:44:47,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 639 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=550, Invalid=1612, Unknown=0, NotChecked=0, Total=2162 [2018-12-02 05:44:47,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2018-12-02 05:44:47,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1490. [2018-12-02 05:44:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1490 states. [2018-12-02 05:44:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1832 transitions. [2018-12-02 05:44:47,833 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1832 transitions. Word has length 309 [2018-12-02 05:44:47,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:47,834 INFO L480 AbstractCegarLoop]: Abstraction has 1490 states and 1832 transitions. [2018-12-02 05:44:47,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 05:44:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1832 transitions. [2018-12-02 05:44:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 05:44:47,838 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:47,838 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:47,838 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:47,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:47,838 INFO L82 PathProgramCache]: Analyzing trace with hash -703978038, now seen corresponding path program 1 times [2018-12-02 05:44:47,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:47,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:47,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:47,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:47,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 278 proven. 158 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 05:44:48,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:48,167 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:48,167 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-12-02 05:44:48,167 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 05:44:48,170 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:48,170 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:49,447 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:44:49,448 INFO L272 AbstractInterpreter]: Visited 125 different actions 371 times. Merged at 7 different actions 18 times. Never widened. Performed 3888 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3888 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 05:44:49,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:49,450 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:44:49,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:49,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 05:44:49,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:49,456 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:44:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:49,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:45:02,050 WARN L180 SmtUtils]: Spent 12.42 s on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-12-02 05:45:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 372 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 05:45:02,275 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:45:09,567 WARN L180 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2018-12-02 05:45:09,624 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-12-02 05:45:09,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-12-02 05:45:09,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:09,822 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:09,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:09,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:09,928 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:09,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:09,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,072 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,108 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,256 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,290 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,360 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,390 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,479 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,517 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,553 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,601 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,826 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,923 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:10,990 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,029 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,295 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,331 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,365 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,459 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,490 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,560 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,594 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,695 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:11,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,095 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,130 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,235 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,271 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,334 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,365 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,466 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,591 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,624 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,687 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,717 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,748 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,783 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,845 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:12,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,193 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,309 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,424 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 05:45:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 197 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 05:45:13,920 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:45:13,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 25 [2018-12-02 05:45:13,920 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:45:13,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 05:45:13,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 05:45:13,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2018-12-02 05:45:13,921 INFO L87 Difference]: Start difference. First operand 1490 states and 1832 transitions. Second operand 18 states. [2018-12-02 05:45:22,801 WARN L180 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-12-02 05:45:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:45:23,952 INFO L93 Difference]: Finished difference Result 4029 states and 5229 transitions. [2018-12-02 05:45:23,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-02 05:45:23,952 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 354 [2018-12-02 05:45:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:45:23,958 INFO L225 Difference]: With dead ends: 4029 [2018-12-02 05:45:23,958 INFO L226 Difference]: Without dead ends: 2829 [2018-12-02 05:45:23,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 613 SyntacticMatches, 111 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3160 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=642, Invalid=2220, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 05:45:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2829 states. [2018-12-02 05:45:23,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2829 to 2809. [2018-12-02 05:45:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2809 states. [2018-12-02 05:45:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 3512 transitions. [2018-12-02 05:45:24,002 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 3512 transitions. Word has length 354 [2018-12-02 05:45:24,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:45:24,002 INFO L480 AbstractCegarLoop]: Abstraction has 2809 states and 3512 transitions. [2018-12-02 05:45:24,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 05:45:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3512 transitions. [2018-12-02 05:45:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-02 05:45:24,006 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:45:24,006 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-02 05:45:24,007 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:45:24,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:45:24,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1404940765, now seen corresponding path program 1 times [2018-12-02 05:45:24,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:45:24,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:45:24,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:45:24,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:45:24,008 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:45:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:45:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-12-02 05:45:24,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:45:24,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 05:45:24,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:45:24,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 05:45:24,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 05:45:24,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:45:24,128 INFO L87 Difference]: Start difference. First operand 2809 states and 3512 transitions. Second operand 4 states. [2018-12-02 05:45:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:45:24,548 INFO L93 Difference]: Finished difference Result 6188 states and 7995 transitions. [2018-12-02 05:45:24,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 05:45:24,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 373 [2018-12-02 05:45:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:45:24,555 INFO L225 Difference]: With dead ends: 6188 [2018-12-02 05:45:24,555 INFO L226 Difference]: Without dead ends: 3671 [2018-12-02 05:45:24,558 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 05:45:24,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2018-12-02 05:45:24,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3383. [2018-12-02 05:45:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3383 states. [2018-12-02 05:45:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4308 transitions. [2018-12-02 05:45:24,601 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4308 transitions. Word has length 373 [2018-12-02 05:45:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:45:24,602 INFO L480 AbstractCegarLoop]: Abstraction has 3383 states and 4308 transitions. [2018-12-02 05:45:24,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 05:45:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4308 transitions. [2018-12-02 05:45:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-02 05:45:24,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:45:24,606 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:45:24,606 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:45:24,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:45:24,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1703123166, now seen corresponding path program 1 times [2018-12-02 05:45:24,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:45:24,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:45:24,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:45:24,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:45:24,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:45:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:45:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 266 proven. 87 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-02 05:45:24,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:45:24,830 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:45:24,830 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 393 with the following transitions: [2018-12-02 05:45:24,830 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 05:45:24,832 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:45:24,832 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:45:25,002 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:45:25,002 INFO L272 AbstractInterpreter]: Visited 132 different actions 391 times. Merged at 7 different actions 17 times. Never widened. Performed 4197 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 05:45:25,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:45:25,006 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:45:25,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:45:25,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 05:45:25,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:45:25,015 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:45:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:45:25,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:45:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-02 05:45:25,138 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:45:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-02 05:45:25,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:45:25,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-02 05:45:25,265 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:45:25,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 05:45:25,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 05:45:25,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-02 05:45:25,266 INFO L87 Difference]: Start difference. First operand 3383 states and 4308 transitions. Second operand 11 states. [2018-12-02 05:45:26,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:45:26,311 INFO L93 Difference]: Finished difference Result 6802 states and 8927 transitions. [2018-12-02 05:45:26,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 05:45:26,311 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 392 [2018-12-02 05:45:26,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:45:26,318 INFO L225 Difference]: With dead ends: 6802 [2018-12-02 05:45:26,318 INFO L226 Difference]: Without dead ends: 3711 [2018-12-02 05:45:26,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 788 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2018-12-02 05:45:26,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2018-12-02 05:45:26,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 3568. [2018-12-02 05:45:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3568 states. [2018-12-02 05:45:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4564 transitions. [2018-12-02 05:45:26,387 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4564 transitions. Word has length 392 [2018-12-02 05:45:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:45:26,388 INFO L480 AbstractCegarLoop]: Abstraction has 3568 states and 4564 transitions. [2018-12-02 05:45:26,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 05:45:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4564 transitions. [2018-12-02 05:45:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-12-02 05:45:26,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:45:26,393 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:45:26,393 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:45:26,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:45:26,393 INFO L82 PathProgramCache]: Analyzing trace with hash 197567602, now seen corresponding path program 1 times [2018-12-02 05:45:26,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:45:26,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:45:26,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:45:26,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:45:26,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:45:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:45:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 182 proven. 216 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 05:45:26,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:45:26,686 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:45:26,686 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 411 with the following transitions: [2018-12-02 05:45:26,687 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 05:45:26,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:45:26,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:45:26,830 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:45:26,830 INFO L272 AbstractInterpreter]: Visited 147 different actions 438 times. Merged at 7 different actions 19 times. Never widened. Performed 4826 root evaluator evaluations with a maximum evaluation depth of 9. Performed 4826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 05:45:26,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:45:26,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:45:26,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:45:26,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/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 05:45:26,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:45:26,838 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:45:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:45:26,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:45:28,905 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-12-02 05:45:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:45:30,475 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:45:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-02 05:45:30,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 05:45:30,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12, 12] total 19 [2018-12-02 05:45:30,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:45:30,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:45:30,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:45:30,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-12-02 05:45:30,614 INFO L87 Difference]: Start difference. First operand 3568 states and 4564 transitions. Second operand 3 states. [2018-12-02 05:45:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:45:30,941 INFO L93 Difference]: Finished difference Result 7710 states and 9986 transitions. [2018-12-02 05:45:30,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:45:30,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 410 [2018-12-02 05:45:30,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:45:30,942 INFO L225 Difference]: With dead ends: 7710 [2018-12-02 05:45:30,942 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 05:45:30,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 812 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-12-02 05:45:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 05:45:30,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 05:45:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 05:45:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 05:45:30,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2018-12-02 05:45:30,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:45:30,950 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 05:45:30,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:45:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 05:45:30,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:45:30,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 05:45:30,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:45:31,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:45:31,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:45:31,501 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 53 [2018-12-02 05:45:31,824 WARN L180 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 50 [2018-12-02 05:45:32,131 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 50 [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-02 05:45:32,133 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 05:45:32,134 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,135 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 05:45:32,136 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-02 05:45:32,137 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,138 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= |old(~a10~0)| ~a10~0)) (.cse7 (= 4 |old(~a10~0)|))) (let ((.cse6 (< |old(~a10~0)| 1)) (.cse0 (= 7 |old(~a19~0)|)) (.cse8 (or .cse7 (= 1 |old(~a10~0)|))) (.cse2 (= 10 |old(~a19~0)|)) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= 0 ~a12~0))) (.cse1 (and (= ~a19~0 |old(~a19~0)|) .cse5 (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= 8 ~a19~0) .cse5) (not (= 8 |old(~a19~0)|))) (or .cse6 .cse7 .cse1 .cse3 .cse4 (<= |old(~a1~0)| 218)) (or (or .cse7 .cse3 .cse4 (< 33 |old(~a1~0)|)) .cse1) (or .cse1 (or .cse8 (< 38 |old(~a1~0)|) .cse3 .cse4)) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse8 .cse2 .cse3 .cse4 .cse1)))) [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,139 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,140 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 05:45:32,141 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-02 05:45:32,142 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= ~a19~0 10))) (.cse3 (not (= ~a10~0 1))) (.cse1 (not (= 7 ~a19~0))) (.cse0 (not (= ~a10~0 4)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (< 218 ~a1~0) (= 1 ~a10~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 33) .cse0) (and .cse1 .cse2) (and (<= ~a1~0 38) (and .cse3 .cse0)) (not (= 14 ~a4~0)) (and .cse2 .cse3 .cse0) (and .cse1 (<= 1 ~a10~0) .cse0))) [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-02 05:45:32,142 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= ~a19~0 10))) (.cse3 (not (= ~a10~0 1))) (.cse1 (not (= 7 ~a19~0))) (.cse0 (not (= ~a10~0 4)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (< 218 ~a1~0) (= 1 ~a10~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 33) .cse0) (and .cse1 .cse2) (and (<= ~a1~0 38) (and .cse3 .cse0)) (not (= 14 ~a4~0)) (and .cse2 .cse3 .cse0) (and .cse1 (<= 1 ~a10~0) .cse0))) [2018-12-02 05:45:32,142 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-02 05:45:32,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:45:32 BoogieIcfgContainer [2018-12-02 05:45:32,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:45:32,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:45:32,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:45:32,150 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:45:32,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:32" (3/4) ... [2018-12-02 05:45:32,152 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:45:32,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 05:45:32,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 05:45:32,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 05:45:32,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 05:45:32,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 05:45:32,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (218 < a1 && 1 == a10)) || !(9 == \old(a19))) || (a1 <= 33 && !(a10 == 4))) || (!(7 == a19) && !(a19 == 10))) || (a1 <= 38 && !(a10 == 1) && !(a10 == 4))) || !(14 == a4)) || ((!(a19 == 10) && !(a10 == 1)) && !(a10 == 4))) || ((!(7 == a19) && 1 <= a10) && !(a10 == 4)) [2018-12-02 05:45:32,217 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b9e2b7f4-c42c-4438-adbf-eef07f783c5b/bin-2019/utaipan/witness.graphml [2018-12-02 05:45:32,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:45:32,218 INFO L168 Benchmark]: Toolchain (without parser) took 60819.78 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 951.3 MB in the beginning and 964.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-02 05:45:32,218 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:45:32,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:32,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:32,218 INFO L168 Benchmark]: Boogie Preprocessor took 38.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:32,219 INFO L168 Benchmark]: RCFGBuilder took 657.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.7 MB in the end (delta: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:32,219 INFO L168 Benchmark]: TraceAbstraction took 59686.04 ms. Allocated memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 984.7 MB in the beginning and 964.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-02 05:45:32,219 INFO L168 Benchmark]: Witness Printer took 67.40 ms. Allocated memory is still 3.7 GB. Free memory is still 964.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:45:32,220 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 657.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.7 MB in the end (delta: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 59686.04 ms. Allocated memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 984.7 MB in the beginning and 964.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 67.40 ms. Allocated memory is still 3.7 GB. Free memory is still 964.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (218 < a1 && 1 == a10)) || !(9 == \old(a19))) || (a1 <= 33 && !(a10 == 4))) || (!(7 == a19) && !(a19 == 10))) || (a1 <= 38 && !(a10 == 1) && !(a10 == 4))) || !(14 == a4)) || ((!(a19 == 10) && !(a10 == 1)) && !(a10 == 4))) || ((!(7 == a19) && 1 <= a10) && !(a10 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 59.6s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 23.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 582 SDtfs, 5533 SDslu, 622 SDs, 0 SdLazy, 11772 SolverSat, 2421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 3381 GetRequests, 3098 SyntacticMatches, 126 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3783 ImplicationChecksByTransitivity, 35.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3568occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.2s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9976345083487943 AbsIntWeakeningRatio, 0.1092436974789916 AbsIntAvgWeakeningVarsNumRemoved, 15.554621848739496 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 669 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 146 PreInvPairs, 228 NumberOfFragments, 408 HoareAnnotationTreeSize, 146 FomulaSimplifications, 8275 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9956 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 4092 NumberOfCodeBlocks, 4092 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5539 ConstructedInterpolants, 196 QuantifiedInterpolants, 13479625 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2315 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 4806/6231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...