./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_10-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd317ac0ecdb37853dacea373914a521115465e0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:58:53,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:58:53,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:58:53,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:58:53,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:58:53,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:58:53,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:58:53,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:58:53,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:58:53,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:58:53,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:58:53,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:58:53,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:58:53,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:58:53,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:58:53,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:58:53,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:58:53,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:58:53,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:58:53,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:58:53,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:58:53,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:58:53,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:58:53,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:58:53,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:58:53,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:58:53,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:58:53,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:58:53,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:58:53,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:58:53,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:58:53,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:58:53,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:58:53,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:58:53,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:58:53,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:58:53,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:58:53,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:58:53,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:58:53,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:58:53,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:58:53,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:58:53,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:58:53,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:58:53,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:58:53,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:58:53,565 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:58:53,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:58:53,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:58:53,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:58:53,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:58:53,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:58:53,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:58:53,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:58:53,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:58:53,567 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:58:53,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:58:53,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:58:53,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:58:53,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:58:53,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:58:53,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:58:53,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:58:53,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:58:53,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:58:53,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:58:53,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:58:53,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:58:53,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:58:53,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:58:53,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer 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 -> Automizer 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 -> dd317ac0ecdb37853dacea373914a521115465e0 [2019-11-20 02:58:53,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:58:53,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:58:53,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:58:53,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:58:53,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:58:53,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-20 02:58:53,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/data/9b97c69e3/860736a2f3104edf9d23ab05a9d94b69/FLAG700d94486 [2019-11-20 02:58:54,228 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:58:54,229 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-20 02:58:54,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/data/9b97c69e3/860736a2f3104edf9d23ab05a9d94b69/FLAG700d94486 [2019-11-20 02:58:54,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/data/9b97c69e3/860736a2f3104edf9d23ab05a9d94b69 [2019-11-20 02:58:54,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:58:54,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:58:54,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:58:54,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:58:54,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:58:54,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54, skipping insertion in model container [2019-11-20 02:58:54,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,273 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:58:54,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:58:54,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:58:54,472 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:58:54,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:58:54,601 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:58:54,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54 WrapperNode [2019-11-20 02:58:54,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:58:54,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:58:54,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:58:54,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:58:54,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:58:54,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:58:54,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:58:54,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:58:54,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... [2019-11-20 02:58:54,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:58:54,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:58:54,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:58:54,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:58:54,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/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 [2019-11-20 02:58:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:58:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:58:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2019-11-20 02:58:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2019-11-20 02:58:54,886 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:58:54,886 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:58:54,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:54 BoogieIcfgContainer [2019-11-20 02:58:54,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:58:54,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:58:54,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:58:54,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:58:54,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:58:54" (1/3) ... [2019-11-20 02:58:54,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af74d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:58:54, skipping insertion in model container [2019-11-20 02:58:54,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:54" (2/3) ... [2019-11-20 02:58:54,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af74d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:58:54, skipping insertion in model container [2019-11-20 02:58:54,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:54" (3/3) ... [2019-11-20 02:58:54,894 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2019-11-20 02:58:54,903 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:58:54,909 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:58:54,919 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:58:54,945 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:58:54,945 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:58:54,946 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:58:54,946 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:58:54,946 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:58:54,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:58:54,947 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:58:54,956 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:58:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-20 02:58:54,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 02:58:54,995 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:54,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:54,996 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:55,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1007516703, now seen corresponding path program 1 times [2019-11-20 02:58:55,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:55,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102884894] [2019-11-20 02:58:55,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:58:55,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102884894] [2019-11-20 02:58:55,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:58:55,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:58:55,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654723900] [2019-11-20 02:58:55,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:58:55,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:55,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:58:55,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:58:55,213 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2019-11-20 02:58:55,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:55,314 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-11-20 02:58:55,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:58:55,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-20 02:58:55,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:55,323 INFO L225 Difference]: With dead ends: 29 [2019-11-20 02:58:55,323 INFO L226 Difference]: Without dead ends: 17 [2019-11-20 02:58:55,326 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:58:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-20 02:58:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-20 02:58:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 02:58:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-20 02:58:55,360 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 9 [2019-11-20 02:58:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:55,361 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 02:58:55,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:58:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-20 02:58:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:58:55,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:55,363 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:55,363 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:55,363 INFO L82 PathProgramCache]: Analyzing trace with hash -453503986, now seen corresponding path program 1 times [2019-11-20 02:58:55,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:55,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068045775] [2019-11-20 02:58:55,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:58:55,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068045775] [2019-11-20 02:58:55,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:58:55,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:58:55,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655856263] [2019-11-20 02:58:55,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:58:55,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:55,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:58:55,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:58:55,412 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 5 states. [2019-11-20 02:58:55,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:55,462 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2019-11-20 02:58:55,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:58:55,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-20 02:58:55,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:55,464 INFO L225 Difference]: With dead ends: 23 [2019-11-20 02:58:55,464 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 02:58:55,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:58:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 02:58:55,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2019-11-20 02:58:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 02:58:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-20 02:58:55,471 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2019-11-20 02:58:55,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:55,471 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 02:58:55,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:58:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-20 02:58:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:58:55,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:55,473 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:55,473 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:55,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:55,473 INFO L82 PathProgramCache]: Analyzing trace with hash 511906889, now seen corresponding path program 1 times [2019-11-20 02:58:55,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:55,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817204911] [2019-11-20 02:58:55,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:58:55,603 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817204911] [2019-11-20 02:58:55,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620380905] [2019-11-20 02:58:55,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:55,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:58:55,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:58:55,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:58:55,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2019-11-20 02:58:55,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577477111] [2019-11-20 02:58:55,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:58:55,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:58:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:58:55,715 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 8 states. [2019-11-20 02:58:55,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:55,813 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2019-11-20 02:58:55,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:58:55,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 02:58:55,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:55,817 INFO L225 Difference]: With dead ends: 41 [2019-11-20 02:58:55,818 INFO L226 Difference]: Without dead ends: 26 [2019-11-20 02:58:55,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:58:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-20 02:58:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-20 02:58:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 02:58:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-11-20 02:58:55,827 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 22 [2019-11-20 02:58:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:55,827 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-11-20 02:58:55,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:58:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2019-11-20 02:58:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:58:55,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:55,829 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:56,035 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:56,035 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:56,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:56,036 INFO L82 PathProgramCache]: Analyzing trace with hash 178931364, now seen corresponding path program 1 times [2019-11-20 02:58:56,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:56,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375876457] [2019-11-20 02:58:56,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:58:56,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375876457] [2019-11-20 02:58:56,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911555295] [2019-11-20 02:58:56,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:58:56,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:58:56,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:58:56,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2019-11-20 02:58:56,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584603680] [2019-11-20 02:58:56,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:58:56,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:56,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:58:56,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:58:56,220 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. Second operand 8 states. [2019-11-20 02:58:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:56,323 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2019-11-20 02:58:56,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:58:56,324 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-20 02:58:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:56,326 INFO L225 Difference]: With dead ends: 47 [2019-11-20 02:58:56,327 INFO L226 Difference]: Without dead ends: 43 [2019-11-20 02:58:56,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:58:56,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-20 02:58:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2019-11-20 02:58:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-20 02:58:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-11-20 02:58:56,339 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 58 transitions. Word has length 23 [2019-11-20 02:58:56,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:56,340 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-11-20 02:58:56,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:58:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2019-11-20 02:58:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 02:58:56,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:56,342 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:56,545 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:56,545 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:56,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:56,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1840059703, now seen corresponding path program 2 times [2019-11-20 02:58:56,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:56,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220828134] [2019-11-20 02:58:56,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:58:56,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220828134] [2019-11-20 02:58:56,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192751889] [2019-11-20 02:58:56,703 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:56,737 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 02:58:56,738 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:58:56,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:58:56,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:58:56,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:58:56,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-11-20 02:58:56,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965096501] [2019-11-20 02:58:56,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 02:58:56,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 02:58:56,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:58:56,783 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 10 states. [2019-11-20 02:58:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:56,926 INFO L93 Difference]: Finished difference Result 67 states and 101 transitions. [2019-11-20 02:58:56,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 02:58:56,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-11-20 02:58:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:56,928 INFO L225 Difference]: With dead ends: 67 [2019-11-20 02:58:56,928 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 02:58:56,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2019-11-20 02:58:56,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 02:58:56,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-11-20 02:58:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-20 02:58:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2019-11-20 02:58:56,935 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 35 [2019-11-20 02:58:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:56,936 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-11-20 02:58:56,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 02:58:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-11-20 02:58:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 02:58:56,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:56,940 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:57,143 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:57,143 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:57,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:57,144 INFO L82 PathProgramCache]: Analyzing trace with hash 624826665, now seen corresponding path program 2 times [2019-11-20 02:58:57,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:57,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960715888] [2019-11-20 02:58:57,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 02:58:57,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960715888] [2019-11-20 02:58:57,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204518815] [2019-11-20 02:58:57,303 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:57,342 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 02:58:57,343 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:58:57,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:58:57,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 02:58:57,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:58:57,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 10 [2019-11-20 02:58:57,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583586709] [2019-11-20 02:58:57,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 02:58:57,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:57,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 02:58:57,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:58:57,375 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 10 states. [2019-11-20 02:58:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:57,506 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2019-11-20 02:58:57,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 02:58:57,507 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2019-11-20 02:58:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:57,508 INFO L225 Difference]: With dead ends: 52 [2019-11-20 02:58:57,508 INFO L226 Difference]: Without dead ends: 48 [2019-11-20 02:58:57,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-20 02:58:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-20 02:58:57,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2019-11-20 02:58:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-20 02:58:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2019-11-20 02:58:57,520 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 37 [2019-11-20 02:58:57,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:57,520 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2019-11-20 02:58:57,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 02:58:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2019-11-20 02:58:57,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 02:58:57,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:57,523 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:57,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:57,734 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:57,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:57,734 INFO L82 PathProgramCache]: Analyzing trace with hash -99212631, now seen corresponding path program 3 times [2019-11-20 02:58:57,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:57,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893088005] [2019-11-20 02:58:57,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 36 proven. 66 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-11-20 02:58:58,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893088005] [2019-11-20 02:58:58,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115912907] [2019-11-20 02:58:58,016 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:58,057 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-20 02:58:58,057 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:58:58,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:58:58,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 64 proven. 24 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 02:58:58,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:58:58,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 15 [2019-11-20 02:58:58,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679129491] [2019-11-20 02:58:58,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 02:58:58,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:58,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 02:58:58,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2019-11-20 02:58:58,149 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand 15 states. [2019-11-20 02:58:58,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:58,493 INFO L93 Difference]: Finished difference Result 89 states and 139 transitions. [2019-11-20 02:58:58,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-20 02:58:58,494 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 63 [2019-11-20 02:58:58,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:58,496 INFO L225 Difference]: With dead ends: 89 [2019-11-20 02:58:58,496 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 02:58:58,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2019-11-20 02:58:58,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 02:58:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2019-11-20 02:58:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 02:58:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2019-11-20 02:58:58,522 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 63 [2019-11-20 02:58:58,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:58,522 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2019-11-20 02:58:58,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 02:58:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-11-20 02:58:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 02:58:58,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:58,529 INFO L410 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:58,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:58,730 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:58,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash 548614988, now seen corresponding path program 4 times [2019-11-20 02:58:58,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:58,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520822432] [2019-11-20 02:58:58,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 02:58:59,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520822432] [2019-11-20 02:58:59,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581985093] [2019-11-20 02:58:59,023 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:59,083 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-20 02:58:59,084 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:58:59,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 02:58:59,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 02:58:59,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:58:59,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 14 [2019-11-20 02:58:59,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422015094] [2019-11-20 02:58:59,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 02:58:59,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:59,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 02:58:59,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-20 02:58:59,152 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand 14 states. [2019-11-20 02:58:59,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:59,324 INFO L93 Difference]: Finished difference Result 116 states and 175 transitions. [2019-11-20 02:58:59,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 02:58:59,325 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2019-11-20 02:58:59,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:58:59,328 INFO L225 Difference]: With dead ends: 116 [2019-11-20 02:58:59,328 INFO L226 Difference]: Without dead ends: 112 [2019-11-20 02:58:59,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-11-20 02:58:59,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-20 02:58:59,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2019-11-20 02:58:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-20 02:58:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 158 transitions. [2019-11-20 02:58:59,346 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 158 transitions. Word has length 105 [2019-11-20 02:58:59,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:58:59,347 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 158 transitions. [2019-11-20 02:58:59,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 02:58:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2019-11-20 02:58:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 02:58:59,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:58:59,351 INFO L410 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:59,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:58:59,554 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:58:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:59,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2009245247, now seen corresponding path program 5 times [2019-11-20 02:58:59,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:59,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704787082] [2019-11-20 02:58:59,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2019-11-20 02:58:59,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704787082] [2019-11-20 02:58:59,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190840563] [2019-11-20 02:58:59,935 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:00,032 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2019-11-20 02:59:00,032 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:00,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 02:59:00,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 328 proven. 115 refuted. 0 times theorem prover too weak. 1211 trivial. 0 not checked. [2019-11-20 02:59:00,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:00,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 16 [2019-11-20 02:59:00,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316635] [2019-11-20 02:59:00,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 02:59:00,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:00,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 02:59:00,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2019-11-20 02:59:00,093 INFO L87 Difference]: Start difference. First operand 103 states and 158 transitions. Second operand 16 states. [2019-11-20 02:59:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:00,372 INFO L93 Difference]: Finished difference Result 240 states and 405 transitions. [2019-11-20 02:59:00,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-20 02:59:00,373 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 173 [2019-11-20 02:59:00,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:00,378 INFO L225 Difference]: With dead ends: 240 [2019-11-20 02:59:00,378 INFO L226 Difference]: Without dead ends: 236 [2019-11-20 02:59:00,379 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2019-11-20 02:59:00,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-11-20 02:59:00,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2019-11-20 02:59:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-11-20 02:59:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 384 transitions. [2019-11-20 02:59:00,428 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 384 transitions. Word has length 173 [2019-11-20 02:59:00,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:00,430 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 384 transitions. [2019-11-20 02:59:00,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 02:59:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 384 transitions. [2019-11-20 02:59:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-11-20 02:59:00,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:00,436 INFO L410 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:00,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:00,648 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:00,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:00,648 INFO L82 PathProgramCache]: Analyzing trace with hash 960836894, now seen corresponding path program 6 times [2019-11-20 02:59:00,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:00,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5171898] [2019-11-20 02:59:00,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2019-11-20 02:59:01,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5171898] [2019-11-20 02:59:01,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384814903] [2019-11-20 02:59:01,325 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:01,428 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2019-11-20 02:59:01,428 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:01,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 02:59:01,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 331 proven. 821 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2019-11-20 02:59:01,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:01,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10] total 18 [2019-11-20 02:59:01,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734823442] [2019-11-20 02:59:01,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-20 02:59:01,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:01,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-20 02:59:01,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2019-11-20 02:59:01,556 INFO L87 Difference]: Start difference. First operand 224 states and 384 transitions. Second operand 18 states. [2019-11-20 02:59:01,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:01,857 INFO L93 Difference]: Finished difference Result 492 states and 910 transitions. [2019-11-20 02:59:01,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-20 02:59:01,860 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 282 [2019-11-20 02:59:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:01,870 INFO L225 Difference]: With dead ends: 492 [2019-11-20 02:59:01,870 INFO L226 Difference]: Without dead ends: 488 [2019-11-20 02:59:01,872 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2019-11-20 02:59:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-11-20 02:59:01,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 473. [2019-11-20 02:59:01,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-11-20 02:59:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 885 transitions. [2019-11-20 02:59:01,951 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 885 transitions. Word has length 282 [2019-11-20 02:59:01,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:01,952 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 885 transitions. [2019-11-20 02:59:01,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-20 02:59:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 885 transitions. [2019-11-20 02:59:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2019-11-20 02:59:01,963 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:01,963 INFO L410 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:02,166 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:02,166 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:02,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:02,167 INFO L82 PathProgramCache]: Analyzing trace with hash 187396788, now seen corresponding path program 7 times [2019-11-20 02:59:02,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:02,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907424223] [2019-11-20 02:59:02,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2019-11-20 02:59:03,411 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907424223] [2019-11-20 02:59:03,411 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938977805] [2019-11-20 02:59:03,411 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:03,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 02:59:03,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2019-11-20 02:59:03,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:03,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 20 [2019-11-20 02:59:03,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985431042] [2019-11-20 02:59:03,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-20 02:59:03,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:03,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-20 02:59:03,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2019-11-20 02:59:03,743 INFO L87 Difference]: Start difference. First operand 473 states and 885 transitions. Second operand 20 states. [2019-11-20 02:59:04,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:04,103 INFO L93 Difference]: Finished difference Result 1000 states and 2001 transitions. [2019-11-20 02:59:04,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-20 02:59:04,103 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 459 [2019-11-20 02:59:04,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:04,124 INFO L225 Difference]: With dead ends: 1000 [2019-11-20 02:59:04,124 INFO L226 Difference]: Without dead ends: 996 [2019-11-20 02:59:04,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2019-11-20 02:59:04,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2019-11-20 02:59:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 978. [2019-11-20 02:59:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2019-11-20 02:59:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1972 transitions. [2019-11-20 02:59:04,218 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1972 transitions. Word has length 459 [2019-11-20 02:59:04,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:04,221 INFO L462 AbstractCegarLoop]: Abstraction has 978 states and 1972 transitions. [2019-11-20 02:59:04,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-20 02:59:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1972 transitions. [2019-11-20 02:59:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2019-11-20 02:59:04,253 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:04,253 INFO L410 BasicCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:04,457 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:04,457 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:04,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:04,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1206433902, now seen corresponding path program 8 times [2019-11-20 02:59:04,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:04,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990437694] [2019-11-20 02:59:04,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5953 proven. 6325 refuted. 0 times theorem prover too weak. 31336 trivial. 0 not checked. [2019-11-20 02:59:08,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990437694] [2019-11-20 02:59:08,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584781865] [2019-11-20 02:59:08,009 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:08,312 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 02:59:08,312 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:08,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 02:59:08,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 699 proven. 5145 refuted. 0 times theorem prover too weak. 37770 trivial. 0 not checked. [2019-11-20 02:59:08,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:08,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 13] total 37 [2019-11-20 02:59:08,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397654210] [2019-11-20 02:59:08,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-11-20 02:59:08,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:08,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-11-20 02:59:08,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1064, Unknown=0, NotChecked=0, Total=1332 [2019-11-20 02:59:08,743 INFO L87 Difference]: Start difference. First operand 978 states and 1972 transitions. Second operand 37 states. [2019-11-20 02:59:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:09,959 INFO L93 Difference]: Finished difference Result 1159 states and 2509 transitions. [2019-11-20 02:59:09,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-11-20 02:59:09,960 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 854 [2019-11-20 02:59:09,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:09,964 INFO L225 Difference]: With dead ends: 1159 [2019-11-20 02:59:09,965 INFO L226 Difference]: Without dead ends: 186 [2019-11-20 02:59:09,975 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1111 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=785, Invalid=3247, Unknown=0, NotChecked=0, Total=4032 [2019-11-20 02:59:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-11-20 02:59:09,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 130. [2019-11-20 02:59:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-20 02:59:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2019-11-20 02:59:09,986 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 854 [2019-11-20 02:59:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:09,987 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2019-11-20 02:59:09,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-11-20 02:59:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2019-11-20 02:59:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2019-11-20 02:59:09,999 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:09,999 INFO L410 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:10,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:10,211 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:10,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:10,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1577357454, now seen corresponding path program 9 times [2019-11-20 02:59:10,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:10,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646960759] [2019-11-20 02:59:10,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2019-11-20 02:59:19,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646960759] [2019-11-20 02:59:19,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948546085] [2019-11-20 02:59:19,190 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:20,055 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 144 check-sat command(s) [2019-11-20 02:59:20,056 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:20,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 711 conjunts are in the unsatisfiable core [2019-11-20 02:59:20,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2019-11-20 02:59:25,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:25,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 40 [2019-11-20 02:59:25,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933618955] [2019-11-20 02:59:25,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-20 02:59:25,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:25,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-20 02:59:25,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1465, Unknown=0, NotChecked=0, Total=1560 [2019-11-20 02:59:25,304 INFO L87 Difference]: Start difference. First operand 130 states and 195 transitions. Second operand 40 states. [2019-11-20 02:59:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:25,978 INFO L93 Difference]: Finished difference Result 151 states and 243 transitions. [2019-11-20 02:59:25,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-11-20 02:59:25,979 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 1208 [2019-11-20 02:59:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:25,982 INFO L225 Difference]: With dead ends: 151 [2019-11-20 02:59:25,983 INFO L226 Difference]: Without dead ends: 147 [2019-11-20 02:59:25,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1918 GetRequests, 1790 SyntacticMatches, 90 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=95, Invalid=1465, Unknown=0, NotChecked=0, Total=1560 [2019-11-20 02:59:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-20 02:59:25,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 140. [2019-11-20 02:59:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-20 02:59:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 225 transitions. [2019-11-20 02:59:25,994 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 225 transitions. Word has length 1208 [2019-11-20 02:59:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:25,996 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 225 transitions. [2019-11-20 02:59:25,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-20 02:59:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 225 transitions. [2019-11-20 02:59:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1563 [2019-11-20 02:59:26,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:26,014 INFO L410 BasicCegarLoop]: trace histogram [229, 229, 185, 114, 114, 114, 114, 114, 114, 114, 71, 44, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:26,221 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:26,222 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:26,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:26,222 INFO L82 PathProgramCache]: Analyzing trace with hash 2064024998, now seen corresponding path program 10 times [2019-11-20 02:59:26,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:26,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471118445] [2019-11-20 02:59:26,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 147208 backedges. 18721 proven. 15424 refuted. 0 times theorem prover too weak. 113063 trivial. 0 not checked. [2019-11-20 02:59:35,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471118445] [2019-11-20 02:59:35,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171911227] [2019-11-20 02:59:35,331 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:35,674 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-20 02:59:35,674 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:35,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 2781 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 02:59:35,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 147208 backedges. 6890 proven. 4610 refuted. 0 times theorem prover too weak. 135708 trivial. 0 not checked. [2019-11-20 02:59:36,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:36,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 14] total 44 [2019-11-20 02:59:36,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347439137] [2019-11-20 02:59:36,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-11-20 02:59:36,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:36,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-11-20 02:59:36,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1535, Unknown=0, NotChecked=0, Total=1892 [2019-11-20 02:59:36,854 INFO L87 Difference]: Start difference. First operand 140 states and 225 transitions. Second operand 44 states. [2019-11-20 02:59:38,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:38,267 INFO L93 Difference]: Finished difference Result 360 states and 813 transitions. [2019-11-20 02:59:38,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-11-20 02:59:38,268 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 1562 [2019-11-20 02:59:38,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:38,272 INFO L225 Difference]: With dead ends: 360 [2019-11-20 02:59:38,272 INFO L226 Difference]: Without dead ends: 194 [2019-11-20 02:59:38,277 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2112 GetRequests, 2038 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=989, Invalid=4561, Unknown=0, NotChecked=0, Total=5550 [2019-11-20 02:59:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-20 02:59:38,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2019-11-20 02:59:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-20 02:59:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 239 transitions. [2019-11-20 02:59:38,298 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 239 transitions. Word has length 1562 [2019-11-20 02:59:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:38,299 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 239 transitions. [2019-11-20 02:59:38,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-11-20 02:59:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 239 transitions. [2019-11-20 02:59:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2019-11-20 02:59:38,317 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:38,318 INFO L410 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 68, 42, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:38,523 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:38,524 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:38,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:38,524 INFO L82 PathProgramCache]: Analyzing trace with hash 755253817, now seen corresponding path program 11 times [2019-11-20 02:59:38,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:38,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556720137] [2019-11-20 02:59:38,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 6048 proven. 12760 refuted. 0 times theorem prover too weak. 115796 trivial. 0 not checked. [2019-11-20 02:59:46,435 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556720137] [2019-11-20 02:59:46,435 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897572391] [2019-11-20 02:59:46,435 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:47,614 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 185 check-sat command(s) [2019-11-20 02:59:47,615 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:47,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 3140 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 02:59:47,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:59:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 65274 proven. 4310 refuted. 0 times theorem prover too weak. 65020 trivial. 0 not checked. [2019-11-20 02:59:48,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 02:59:48,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 20] total 38 [2019-11-20 02:59:48,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926949442] [2019-11-20 02:59:48,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-11-20 02:59:48,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:59:48,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-11-20 02:59:48,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2019-11-20 02:59:48,799 INFO L87 Difference]: Start difference. First operand 168 states and 239 transitions. Second operand 38 states. [2019-11-20 02:59:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:59:49,563 INFO L93 Difference]: Finished difference Result 335 states and 477 transitions. [2019-11-20 02:59:49,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-11-20 02:59:49,563 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 1494 [2019-11-20 02:59:49,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:59:49,567 INFO L225 Difference]: With dead ends: 335 [2019-11-20 02:59:49,567 INFO L226 Difference]: Without dead ends: 189 [2019-11-20 02:59:49,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1980 GetRequests, 1930 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=538, Invalid=2114, Unknown=0, NotChecked=0, Total=2652 [2019-11-20 02:59:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-20 02:59:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 144. [2019-11-20 02:59:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-20 02:59:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2019-11-20 02:59:49,579 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 187 transitions. Word has length 1494 [2019-11-20 02:59:49,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:59:49,580 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 187 transitions. [2019-11-20 02:59:49,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-11-20 02:59:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 187 transitions. [2019-11-20 02:59:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1672 [2019-11-20 02:59:49,599 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:59:49,600 INFO L410 BasicCegarLoop]: trace histogram [245, 245, 198, 122, 122, 122, 122, 122, 122, 122, 76, 47, 1, 1, 1, 1, 1, 1] [2019-11-20 02:59:49,806 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:49,807 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:59:49,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:59:49,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1824040433, now seen corresponding path program 12 times [2019-11-20 02:59:49,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:59:49,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257100033] [2019-11-20 02:59:49,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:59:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:59:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 168587 backedges. 9819 proven. 13566 refuted. 0 times theorem prover too weak. 145202 trivial. 0 not checked. [2019-11-20 02:59:58,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257100033] [2019-11-20 02:59:58,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958301075] [2019-11-20 02:59:58,590 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:59:58,798 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 34 check-sat command(s) [2019-11-20 02:59:58,798 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 02:59:58,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 02:59:58,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:00:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 168587 backedges. 3206 proven. 9131 refuted. 0 times theorem prover too weak. 156250 trivial. 0 not checked. [2019-11-20 03:00:00,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:00:00,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 14] total 43 [2019-11-20 03:00:00,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222040205] [2019-11-20 03:00:00,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-20 03:00:00,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:00:00,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-20 03:00:00,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1432, Unknown=0, NotChecked=0, Total=1806 [2019-11-20 03:00:00,217 INFO L87 Difference]: Start difference. First operand 144 states and 187 transitions. Second operand 43 states. [2019-11-20 03:00:01,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:00:01,120 INFO L93 Difference]: Finished difference Result 289 states and 373 transitions. [2019-11-20 03:00:01,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-11-20 03:00:01,121 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 1671 [2019-11-20 03:00:01,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:00:01,124 INFO L225 Difference]: With dead ends: 289 [2019-11-20 03:00:01,124 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:00:01,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2212 GetRequests, 2156 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=624, Invalid=2568, Unknown=0, NotChecked=0, Total=3192 [2019-11-20 03:00:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:00:01,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:00:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:00:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:00:01,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1671 [2019-11-20 03:00:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:00:01,129 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:00:01,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-20 03:00:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:00:01,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:00:01,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:00:01,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 03:00:02,477 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 67 [2019-11-20 03:00:02,831 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 7 [2019-11-20 03:00:02,836 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 03:00:02,836 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 03:00:02,836 INFO L440 ceAbstractionStarter]: At program point L29(lines 23 30) the Hoare annotation is: (<= 10 ULTIMATE.start_main_~x~0) [2019-11-20 03:00:02,836 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 03:00:02,836 INFO L444 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-20 03:00:02,836 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 28) no Hoare annotation was computed. [2019-11-20 03:00:02,837 INFO L440 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (and (<= 10 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 10)) [2019-11-20 03:00:02,837 INFO L444 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-11-20 03:00:02,837 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2019-11-20 03:00:02,837 INFO L444 ceAbstractionStarter]: For program point L26-2(lines 26 28) no Hoare annotation was computed. [2019-11-20 03:00:02,837 INFO L444 ceAbstractionStarter]: For program point fiboEXIT(lines 5 13) no Hoare annotation was computed. [2019-11-20 03:00:02,837 INFO L444 ceAbstractionStarter]: For program point fiboFINAL(lines 5 13) no Hoare annotation was computed. [2019-11-20 03:00:02,837 INFO L440 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (not (<= |fibo_#in~n| 1))) [2019-11-20 03:00:02,837 INFO L444 ceAbstractionStarter]: For program point L11-1(line 11) no Hoare annotation was computed. [2019-11-20 03:00:02,838 INFO L440 ceAbstractionStarter]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse0 (= fibo_~n |fibo_#in~n|)) (.cse3 (<= 8 fibo_~n))) (let ((.cse4 (and (<= fibo_~n 8) (<= 13 |fibo_#t~ret0|) .cse0 (<= |fibo_#t~ret0| 13) .cse3)) (.cse6 (and (<= |fibo_#t~ret0| 5) (<= 6 fibo_~n) .cse0 (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6))) (.cse5 (and .cse0 (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= fibo_~n 5) (<= 5 fibo_~n))) (.cse7 (and (<= |fibo_#t~ret0| 8) .cse0 (<= 8 |fibo_#t~ret0|) (<= fibo_~n 7) (<= 7 fibo_~n)))) (and (let ((.cse1 (<= |fibo_#t~ret0| 1)) (.cse2 (<= 1 |fibo_#t~ret0|))) (or (and (<= 10 fibo_~n) .cse0 (<= 34 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 34)) (and (<= 4 fibo_~n) (<= fibo_~n 4) .cse0 (<= 2 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 2)) (and .cse0 (<= fibo_~n 3) .cse1 .cse2 (<= 3 fibo_~n)) (and (<= 11 fibo_~n) .cse0) (and (<= |fibo_#t~ret0| 21) .cse0 (<= 21 |fibo_#t~ret0|) (<= fibo_~n 9) .cse3) .cse4 .cse5 .cse6 (and .cse0 .cse1 .cse2 (<= fibo_~n 2) (< 1 fibo_~n)) .cse7)) (or (<= 9 fibo_~n) (not (<= 5 |fibo_#in~n|)) .cse4 .cse6 .cse5 .cse7)))) [2019-11-20 03:00:02,838 INFO L444 ceAbstractionStarter]: For program point L8(lines 8 12) no Hoare annotation was computed. [2019-11-20 03:00:02,838 INFO L444 ceAbstractionStarter]: For program point L11-3(line 11) no Hoare annotation was computed. [2019-11-20 03:00:02,838 INFO L444 ceAbstractionStarter]: For program point L6(lines 6 12) no Hoare annotation was computed. [2019-11-20 03:00:02,838 INFO L447 ceAbstractionStarter]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2019-11-20 03:00:02,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:00:02 BoogieIcfgContainer [2019-11-20 03:00:02,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:00:02,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:00:02,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:00:02,850 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:00:02,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:54" (3/4) ... [2019-11-20 03:00:02,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:00:02,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo [2019-11-20 03:00:02,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 03:00:02,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 03:00:02,904 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e18ec5f-ca67-4484-b63a-eafc8edea453/bin/uautomizer/witness.graphml [2019-11-20 03:00:02,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:00:02,906 INFO L168 Benchmark]: Toolchain (without parser) took 68649.41 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 944.7 MB in the beginning and 1.9 GB in the end (delta: -977.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2019-11-20 03:00:02,906 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:00:02,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -222.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:00:02,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:00:02,908 INFO L168 Benchmark]: Boogie Preprocessor took 15.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:00:02,908 INFO L168 Benchmark]: RCFGBuilder took 233.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:00:02,909 INFO L168 Benchmark]: TraceAbstraction took 67961.36 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -799.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2019-11-20 03:00:02,909 INFO L168 Benchmark]: Witness Printer took 54.57 ms. Allocated memory is still 4.5 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:00:02,912 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -222.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 233.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67961.36 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -799.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 54.57 ms. Allocated memory is still 4.5 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: 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: 23]: Loop Invariant Derived loop invariant: 10 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 67.8s, OverallIterations: 16, TraceHistogramMax: 245, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 413 SDtfs, 1683 SDslu, 2635 SDs, 0 SdLazy, 5752 SolverSat, 2135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11061 GetRequests, 10561 SyntacticMatches, 92 SemanticMatches, 408 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5758 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=978occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 207 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 1130 PreInvPairs, 1454 NumberOfFragments, 241 HoareAnnotationTreeSize, 1130 FomulaSimplifications, 3898 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 5 FomulaSimplificationsInter, 5919 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 44.4s InterpolantComputationTime, 15995 NumberOfCodeBlocks, 14133 NumberOfCodeBlocksAsserted, 432 NumberOfCheckSat, 15965 ConstructedInterpolants, 0 QuantifiedInterpolants, 33893111 SizeOfPredicates, 92 NumberOfNonLiveVariables, 13439 ConjunctsInSsa, 895 ConjunctsInUnsatCore, 30 InterpolantComputations, 2 PerfectInterpolantSequences, 1065617/1202528 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...