./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_10-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 0.1.25-f470102 [2019-12-07 18:06:37,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:06:37,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:06:37,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:06:37,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:06:37,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:06:37,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:06:37,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:06:37,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:06:37,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:06:37,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:06:37,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:06:37,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:06:37,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:06:37,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:06:37,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:06:37,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:06:37,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:06:37,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:06:37,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:06:37,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:06:37,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:06:37,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:06:37,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:06:37,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:06:37,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:06:37,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:06:37,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:06:37,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:06:37,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:06:37,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:06:37,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:06:37,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:06:37,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:06:37,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:06:37,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:06:37,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:06:37,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:06:37,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:06:37,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:06:37,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:06:37,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:06:37,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:06:37,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:06:37,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:06:37,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:06:37,375 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:06:37,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:06:37,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:06:37,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:06:37,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:06:37,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:06:37,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:06:37,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:06:37,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:06:37,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:06:37,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:06:37,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:06:37,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:06:37,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:06:37,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:06:37,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:06:37,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:06:37,378 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_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:37,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:06:37,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:06:37,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:06:37,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:06:37,492 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:06:37,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-12-07 18:06:37,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/data/2ef192d7e/2289f6fbd0234cfa8f628d1a5f8753ef/FLAGa4ec5249a [2019-12-07 18:06:37,929 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:06:37,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-12-07 18:06:37,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/data/2ef192d7e/2289f6fbd0234cfa8f628d1a5f8753ef/FLAGa4ec5249a [2019-12-07 18:06:37,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/data/2ef192d7e/2289f6fbd0234cfa8f628d1a5f8753ef [2019-12-07 18:06:37,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:06:37,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:06:37,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:06:37,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:06:37,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:06:37,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:06:37" (1/1) ... [2019-12-07 18:06:37,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b10c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:37, skipping insertion in model container [2019-12-07 18:06:37,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:06:37" (1/1) ... [2019-12-07 18:06:37,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:06:37,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:06:38,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:06:38,063 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:06:38,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:06:38,121 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:06:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38 WrapperNode [2019-12-07 18:06:38,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:06:38,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:06:38,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:06:38,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:06:38,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:06:38,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:06:38,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:06:38,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:06:38,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... [2019-12-07 18:06:38,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:06:38,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:06:38,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:06:38,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:06:38,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:06:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2019-12-07 18:06:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2019-12-07 18:06:38,285 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:06:38,286 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:06:38,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:06:38 BoogieIcfgContainer [2019-12-07 18:06:38,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:06:38,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:06:38,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:06:38,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:06:38,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:06:37" (1/3) ... [2019-12-07 18:06:38,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f605bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:06:38, skipping insertion in model container [2019-12-07 18:06:38,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:06:38" (2/3) ... [2019-12-07 18:06:38,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f605bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:06:38, skipping insertion in model container [2019-12-07 18:06:38,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:06:38" (3/3) ... [2019-12-07 18:06:38,291 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2019-12-07 18:06:38,298 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:06:38,302 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:06:38,309 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:06:38,324 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:06:38,324 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:06:38,324 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:06:38,324 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:06:38,324 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:06:38,324 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:06:38,324 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:06:38,324 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:06:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 18:06:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 18:06:38,339 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:38,339 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:38,339 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:38,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:38,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1007516703, now seen corresponding path program 1 times [2019-12-07 18:06:38,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:38,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254542441] [2019-12-07 18:06:38,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:06:38,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254542441] [2019-12-07 18:06:38,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:06:38,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:06:38,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367698236] [2019-12-07 18:06:38,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:06:38,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:38,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:06:38,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:06:38,478 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2019-12-07 18:06:38,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:38,530 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-12-07 18:06:38,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:06:38,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-12-07 18:06:38,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:38,538 INFO L225 Difference]: With dead ends: 29 [2019-12-07 18:06:38,538 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 18:06:38,540 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 [2019-12-07 18:06:38,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 18:06:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 18:06:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:06:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 18:06:38,567 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 9 [2019-12-07 18:06:38,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:38,567 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:06:38,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:06:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-12-07 18:06:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:06:38,568 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:38,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:38,568 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:38,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:38,569 INFO L82 PathProgramCache]: Analyzing trace with hash -453503986, now seen corresponding path program 1 times [2019-12-07 18:06:38,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:38,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239738498] [2019-12-07 18:06:38,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:06:38,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239738498] [2019-12-07 18:06:38,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:06:38,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:06:38,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663554816] [2019-12-07 18:06:38,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:06:38,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:38,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:06:38,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:06:38,600 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 5 states. [2019-12-07 18:06:38,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:38,638 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2019-12-07 18:06:38,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:06:38,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-07 18:06:38,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:38,640 INFO L225 Difference]: With dead ends: 23 [2019-12-07 18:06:38,640 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 18:06:38,641 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 [2019-12-07 18:06:38,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 18:06:38,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2019-12-07 18:06:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:06:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 18:06:38,645 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2019-12-07 18:06:38,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:38,646 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:06:38,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:06:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-12-07 18:06:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 18:06:38,646 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:38,646 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:38,647 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:38,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:38,647 INFO L82 PathProgramCache]: Analyzing trace with hash 511906889, now seen corresponding path program 1 times [2019-12-07 18:06:38,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:38,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730325614] [2019-12-07 18:06:38,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 18:06:38,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730325614] [2019-12-07 18:06:38,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509825868] [2019-12-07 18:06:38,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:38,744 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:06:38,748 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 18:06:38,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:38,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2019-12-07 18:06:38,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432947242] [2019-12-07 18:06:38,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:06:38,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:38,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:06:38,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:06:38,782 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 8 states. [2019-12-07 18:06:38,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:38,829 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2019-12-07 18:06:38,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:06:38,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 18:06:38,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:38,831 INFO L225 Difference]: With dead ends: 41 [2019-12-07 18:06:38,831 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 18:06:38,832 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 [2019-12-07 18:06:38,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 18:06:38,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-12-07 18:06:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 18:06:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-12-07 18:06:38,837 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 22 [2019-12-07 18:06:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:38,837 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-12-07 18:06:38,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:06:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2019-12-07 18:06:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 18:06:38,838 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:38,838 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:39,039 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:39,040 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:39,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:39,040 INFO L82 PathProgramCache]: Analyzing trace with hash 178931364, now seen corresponding path program 1 times [2019-12-07 18:06:39,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:39,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709757557] [2019-12-07 18:06:39,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 18:06:39,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709757557] [2019-12-07 18:06:39,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214868701] [2019-12-07 18:06:39,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:06:39,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 18:06:39,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:39,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2019-12-07 18:06:39,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226363012] [2019-12-07 18:06:39,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:06:39,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:39,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:06:39,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:06:39,213 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. Second operand 8 states. [2019-12-07 18:06:39,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:39,295 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2019-12-07 18:06:39,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:06:39,296 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 18:06:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:39,298 INFO L225 Difference]: With dead ends: 47 [2019-12-07 18:06:39,299 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 18:06:39,299 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 [2019-12-07 18:06:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 18:06:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2019-12-07 18:06:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 18:06:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-12-07 18:06:39,310 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 58 transitions. Word has length 23 [2019-12-07 18:06:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:39,310 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-12-07 18:06:39,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:06:39,311 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2019-12-07 18:06:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 18:06:39,312 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:39,313 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:39,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:39,513 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:39,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:39,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1840059703, now seen corresponding path program 2 times [2019-12-07 18:06:39,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:39,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037042546] [2019-12-07 18:06:39,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 18:06:39,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037042546] [2019-12-07 18:06:39,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437524682] [2019-12-07 18:06:39,585 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:39,606 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:06:39,606 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:39,606 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:06:39,608 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 18:06:39,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:39,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-12-07 18:06:39,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881515173] [2019-12-07 18:06:39,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 18:06:39,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:39,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 18:06:39,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:06:39,629 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 10 states. [2019-12-07 18:06:39,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:39,710 INFO L93 Difference]: Finished difference Result 67 states and 101 transitions. [2019-12-07 18:06:39,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 18:06:39,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 18:06:39,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:39,711 INFO L225 Difference]: With dead ends: 67 [2019-12-07 18:06:39,711 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 18:06:39,712 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2019-12-07 18:06:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 18:06:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-12-07 18:06:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 18:06:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2019-12-07 18:06:39,718 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 35 [2019-12-07 18:06:39,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:39,718 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-12-07 18:06:39,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 18:06:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-12-07 18:06:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 18:06:39,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:39,720 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:39,920 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:39,920 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:39,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:39,921 INFO L82 PathProgramCache]: Analyzing trace with hash 624826665, now seen corresponding path program 2 times [2019-12-07 18:06:39,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:39,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303712613] [2019-12-07 18:06:39,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 18:06:40,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303712613] [2019-12-07 18:06:40,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549276944] [2019-12-07 18:06:40,014 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:40,035 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:06:40,036 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:40,036 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:06:40,038 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 18:06:40,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:40,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 10 [2019-12-07 18:06:40,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101717839] [2019-12-07 18:06:40,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 18:06:40,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 18:06:40,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:06:40,058 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 10 states. [2019-12-07 18:06:40,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:40,138 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2019-12-07 18:06:40,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:06:40,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2019-12-07 18:06:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:40,140 INFO L225 Difference]: With dead ends: 52 [2019-12-07 18:06:40,140 INFO L226 Difference]: Without dead ends: 48 [2019-12-07 18:06:40,141 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 [2019-12-07 18:06:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-12-07 18:06:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2019-12-07 18:06:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-07 18:06:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2019-12-07 18:06:40,149 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 37 [2019-12-07 18:06:40,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:40,149 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2019-12-07 18:06:40,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 18:06:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2019-12-07 18:06:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 18:06:40,151 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:40,151 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:40,352 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:40,353 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:40,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:40,353 INFO L82 PathProgramCache]: Analyzing trace with hash -99212631, now seen corresponding path program 3 times [2019-12-07 18:06:40,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:40,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380333362] [2019-12-07 18:06:40,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 36 proven. 66 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-07 18:06:40,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380333362] [2019-12-07 18:06:40,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725246397] [2019-12-07 18:06:40,506 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:40,534 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-12-07 18:06:40,534 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:40,535 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:06:40,543 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 64 proven. 24 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-07 18:06:40,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:40,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 15 [2019-12-07 18:06:40,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532426935] [2019-12-07 18:06:40,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 18:06:40,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:40,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 18:06:40,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2019-12-07 18:06:40,583 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand 15 states. [2019-12-07 18:06:40,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:40,780 INFO L93 Difference]: Finished difference Result 89 states and 139 transitions. [2019-12-07 18:06:40,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 18:06:40,781 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 63 [2019-12-07 18:06:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:40,782 INFO L225 Difference]: With dead ends: 89 [2019-12-07 18:06:40,782 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 18:06:40,783 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2019-12-07 18:06:40,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 18:06:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2019-12-07 18:06:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 18:06:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2019-12-07 18:06:40,789 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 63 [2019-12-07 18:06:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:40,790 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2019-12-07 18:06:40,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 18:06:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-12-07 18:06:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-07 18:06:40,791 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:40,791 INFO L410 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:40,992 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:40,993 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:40,993 INFO L82 PathProgramCache]: Analyzing trace with hash 548614988, now seen corresponding path program 4 times [2019-12-07 18:06:40,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:40,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922227169] [2019-12-07 18:06:40,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-07 18:06:41,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922227169] [2019-12-07 18:06:41,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127609897] [2019-12-07 18:06:41,199 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:41,231 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 18:06:41,232 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:41,232 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 18:06:41,236 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-07 18:06:41,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:41,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 14 [2019-12-07 18:06:41,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017538573] [2019-12-07 18:06:41,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 18:06:41,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:41,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 18:06:41,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 18:06:41,265 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand 14 states. [2019-12-07 18:06:41,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:41,366 INFO L93 Difference]: Finished difference Result 116 states and 175 transitions. [2019-12-07 18:06:41,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 18:06:41,367 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2019-12-07 18:06:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:41,369 INFO L225 Difference]: With dead ends: 116 [2019-12-07 18:06:41,369 INFO L226 Difference]: Without dead ends: 112 [2019-12-07 18:06:41,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-12-07 18:06:41,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-12-07 18:06:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2019-12-07 18:06:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 18:06:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 158 transitions. [2019-12-07 18:06:41,384 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 158 transitions. Word has length 105 [2019-12-07 18:06:41,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:41,384 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 158 transitions. [2019-12-07 18:06:41,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 18:06:41,385 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2019-12-07 18:06:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-07 18:06:41,388 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:41,388 INFO L410 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:41,588 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:41,589 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:41,589 INFO L82 PathProgramCache]: Analyzing trace with hash -2009245247, now seen corresponding path program 5 times [2019-12-07 18:06:41,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:41,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293957528] [2019-12-07 18:06:41,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2019-12-07 18:06:41,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293957528] [2019-12-07 18:06:41,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777604412] [2019-12-07 18:06:41,930 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:41,981 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2019-12-07 18:06:41,981 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:41,981 INFO L264 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:06:41,985 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 328 proven. 115 refuted. 0 times theorem prover too weak. 1211 trivial. 0 not checked. [2019-12-07 18:06:42,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:42,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 16 [2019-12-07 18:06:42,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605767469] [2019-12-07 18:06:42,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 18:06:42,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:42,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 18:06:42,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2019-12-07 18:06:42,016 INFO L87 Difference]: Start difference. First operand 103 states and 158 transitions. Second operand 16 states. [2019-12-07 18:06:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:42,153 INFO L93 Difference]: Finished difference Result 240 states and 405 transitions. [2019-12-07 18:06:42,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 18:06:42,154 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 173 [2019-12-07 18:06:42,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:42,157 INFO L225 Difference]: With dead ends: 240 [2019-12-07 18:06:42,157 INFO L226 Difference]: Without dead ends: 236 [2019-12-07 18:06:42,157 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2019-12-07 18:06:42,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-12-07 18:06:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2019-12-07 18:06:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-12-07 18:06:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 384 transitions. [2019-12-07 18:06:42,185 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 384 transitions. Word has length 173 [2019-12-07 18:06:42,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:42,186 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 384 transitions. [2019-12-07 18:06:42,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 18:06:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 384 transitions. [2019-12-07 18:06:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-12-07 18:06:42,190 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:42,191 INFO L410 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:42,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:42,392 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:42,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:42,392 INFO L82 PathProgramCache]: Analyzing trace with hash 960836894, now seen corresponding path program 6 times [2019-12-07 18:06:42,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:42,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73787684] [2019-12-07 18:06:42,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2019-12-07 18:06:42,865 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73787684] [2019-12-07 18:06:42,865 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869456365] [2019-12-07 18:06:42,866 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:42,926 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2019-12-07 18:06:42,926 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:42,927 INFO L264 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 18:06:42,931 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 331 proven. 821 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2019-12-07 18:06:42,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:42,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10] total 18 [2019-12-07 18:06:42,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941504562] [2019-12-07 18:06:42,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 18:06:42,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:42,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 18:06:42,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2019-12-07 18:06:42,994 INFO L87 Difference]: Start difference. First operand 224 states and 384 transitions. Second operand 18 states. [2019-12-07 18:06:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:43,162 INFO L93 Difference]: Finished difference Result 492 states and 910 transitions. [2019-12-07 18:06:43,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 18:06:43,163 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 282 [2019-12-07 18:06:43,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:43,168 INFO L225 Difference]: With dead ends: 492 [2019-12-07 18:06:43,168 INFO L226 Difference]: Without dead ends: 488 [2019-12-07 18:06:43,169 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 [2019-12-07 18:06:43,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-12-07 18:06:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 473. [2019-12-07 18:06:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-12-07 18:06:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 885 transitions. [2019-12-07 18:06:43,202 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 885 transitions. Word has length 282 [2019-12-07 18:06:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:43,203 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 885 transitions. [2019-12-07 18:06:43,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 18:06:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 885 transitions. [2019-12-07 18:06:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2019-12-07 18:06:43,210 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:43,210 INFO L410 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:43,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:43,411 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:43,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:43,411 INFO L82 PathProgramCache]: Analyzing trace with hash 187396788, now seen corresponding path program 7 times [2019-12-07 18:06:43,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:43,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613264955] [2019-12-07 18:06:43,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2019-12-07 18:06:44,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613264955] [2019-12-07 18:06:44,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034164313] [2019-12-07 18:06:44,166 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:44,254 INFO L264 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 18:06:44,259 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2019-12-07 18:06:44,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:44,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 20 [2019-12-07 18:06:44,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138502662] [2019-12-07 18:06:44,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-12-07 18:06:44,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:44,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-12-07 18:06:44,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2019-12-07 18:06:44,413 INFO L87 Difference]: Start difference. First operand 473 states and 885 transitions. Second operand 20 states. [2019-12-07 18:06:44,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:44,621 INFO L93 Difference]: Finished difference Result 1000 states and 2001 transitions. [2019-12-07 18:06:44,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 18:06:44,621 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 459 [2019-12-07 18:06:44,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:44,633 INFO L225 Difference]: With dead ends: 1000 [2019-12-07 18:06:44,633 INFO L226 Difference]: Without dead ends: 996 [2019-12-07 18:06:44,634 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 [2019-12-07 18:06:44,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2019-12-07 18:06:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 978. [2019-12-07 18:06:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2019-12-07 18:06:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1972 transitions. [2019-12-07 18:06:44,689 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1972 transitions. Word has length 459 [2019-12-07 18:06:44,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:44,690 INFO L462 AbstractCegarLoop]: Abstraction has 978 states and 1972 transitions. [2019-12-07 18:06:44,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-12-07 18:06:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1972 transitions. [2019-12-07 18:06:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2019-12-07 18:06:44,697 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:44,697 INFO L410 BasicCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:44,897 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:44,898 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:44,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:44,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1206433902, now seen corresponding path program 8 times [2019-12-07 18:06:44,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:44,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081894506] [2019-12-07 18:06:44,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5953 proven. 6325 refuted. 0 times theorem prover too weak. 31336 trivial. 0 not checked. [2019-12-07 18:06:47,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081894506] [2019-12-07 18:06:47,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633718503] [2019-12-07 18:06:47,218 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:47,362 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:06:47,362 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:47,365 INFO L264 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-07 18:06:47,375 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 699 proven. 5145 refuted. 0 times theorem prover too weak. 37770 trivial. 0 not checked. [2019-12-07 18:06:47,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:47,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 13] total 37 [2019-12-07 18:06:47,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352884517] [2019-12-07 18:06:47,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-12-07 18:06:47,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:47,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-12-07 18:06:47,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1064, Unknown=0, NotChecked=0, Total=1332 [2019-12-07 18:06:47,768 INFO L87 Difference]: Start difference. First operand 978 states and 1972 transitions. Second operand 37 states. [2019-12-07 18:06:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:48,426 INFO L93 Difference]: Finished difference Result 1159 states and 2509 transitions. [2019-12-07 18:06:48,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-12-07 18:06:48,426 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 854 [2019-12-07 18:06:48,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:48,429 INFO L225 Difference]: With dead ends: 1159 [2019-12-07 18:06:48,429 INFO L226 Difference]: Without dead ends: 186 [2019-12-07 18:06:48,436 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1111 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=785, Invalid=3247, Unknown=0, NotChecked=0, Total=4032 [2019-12-07 18:06:48,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-12-07 18:06:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 130. [2019-12-07 18:06:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 18:06:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2019-12-07 18:06:48,443 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 854 [2019-12-07 18:06:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:48,444 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2019-12-07 18:06:48,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-12-07 18:06:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2019-12-07 18:06:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2019-12-07 18:06:48,452 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:48,452 INFO L410 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:48,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:48,653 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:48,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:48,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1577357454, now seen corresponding path program 9 times [2019-12-07 18:06:48,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:48,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747582646] [2019-12-07 18:06:48,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:06:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:06:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2019-12-07 18:06:55,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747582646] [2019-12-07 18:06:55,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087334073] [2019-12-07 18:06:55,040 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:06:55,666 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 144 check-sat command(s) [2019-12-07 18:06:55,666 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:06:55,677 INFO L264 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 711 conjunts are in the unsatisfiable core [2019-12-07 18:06:55,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:06:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2019-12-07 18:06:59,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:06:59,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 40 [2019-12-07 18:06:59,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932622971] [2019-12-07 18:06:59,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-12-07 18:06:59,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:06:59,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-12-07 18:06:59,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1465, Unknown=0, NotChecked=0, Total=1560 [2019-12-07 18:06:59,210 INFO L87 Difference]: Start difference. First operand 130 states and 195 transitions. Second operand 40 states. [2019-12-07 18:06:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:59,718 INFO L93 Difference]: Finished difference Result 151 states and 243 transitions. [2019-12-07 18:06:59,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-12-07 18:06:59,718 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 1208 [2019-12-07 18:06:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:59,721 INFO L225 Difference]: With dead ends: 151 [2019-12-07 18:06:59,721 INFO L226 Difference]: Without dead ends: 147 [2019-12-07 18:06:59,722 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1918 GetRequests, 1790 SyntacticMatches, 90 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=95, Invalid=1465, Unknown=0, NotChecked=0, Total=1560 [2019-12-07 18:06:59,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-12-07 18:06:59,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 140. [2019-12-07 18:06:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 18:06:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 225 transitions. [2019-12-07 18:06:59,728 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 225 transitions. Word has length 1208 [2019-12-07 18:06:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:59,729 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 225 transitions. [2019-12-07 18:06:59,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-12-07 18:06:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 225 transitions. [2019-12-07 18:06:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1563 [2019-12-07 18:06:59,741 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:59,742 INFO L410 BasicCegarLoop]: trace histogram [229, 229, 185, 114, 114, 114, 114, 114, 114, 114, 71, 44, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:59,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:06:59,943 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:59,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2064024998, now seen corresponding path program 10 times [2019-12-07 18:06:59,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:06:59,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023313255] [2019-12-07 18:06:59,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:07:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 147208 backedges. 18721 proven. 15424 refuted. 0 times theorem prover too weak. 113063 trivial. 0 not checked. [2019-12-07 18:07:06,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023313255] [2019-12-07 18:07:06,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4968807] [2019-12-07 18:07:06,020 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:07:06,246 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 18:07:06,246 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:07:06,250 INFO L264 TraceCheckSpWp]: Trace formula consists of 2781 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-07 18:07:06,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:07:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 147208 backedges. 6890 proven. 4610 refuted. 0 times theorem prover too weak. 135708 trivial. 0 not checked. [2019-12-07 18:07:07,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:07:07,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 14] total 44 [2019-12-07 18:07:07,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618818615] [2019-12-07 18:07:07,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-12-07 18:07:07,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:07:07,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-12-07 18:07:07,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1535, Unknown=0, NotChecked=0, Total=1892 [2019-12-07 18:07:07,352 INFO L87 Difference]: Start difference. First operand 140 states and 225 transitions. Second operand 44 states. [2019-12-07 18:07:08,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:07:08,262 INFO L93 Difference]: Finished difference Result 360 states and 813 transitions. [2019-12-07 18:07:08,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-12-07 18:07:08,263 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 1562 [2019-12-07 18:07:08,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:07:08,266 INFO L225 Difference]: With dead ends: 360 [2019-12-07 18:07:08,266 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 18:07:08,269 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2112 GetRequests, 2038 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=989, Invalid=4561, Unknown=0, NotChecked=0, Total=5550 [2019-12-07 18:07:08,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 18:07:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2019-12-07 18:07:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-12-07 18:07:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 239 transitions. [2019-12-07 18:07:08,277 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 239 transitions. Word has length 1562 [2019-12-07 18:07:08,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:07:08,277 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 239 transitions. [2019-12-07 18:07:08,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-12-07 18:07:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 239 transitions. [2019-12-07 18:07:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2019-12-07 18:07:08,288 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:07:08,289 INFO L410 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 68, 42, 1, 1, 1, 1, 1, 1] [2019-12-07 18:07:08,489 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:07:08,490 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:07:08,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:07:08,490 INFO L82 PathProgramCache]: Analyzing trace with hash 755253817, now seen corresponding path program 11 times [2019-12-07 18:07:08,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:07:08,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151283144] [2019-12-07 18:07:08,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:07:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 6048 proven. 12760 refuted. 0 times theorem prover too weak. 115796 trivial. 0 not checked. [2019-12-07 18:07:13,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151283144] [2019-12-07 18:07:13,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248406108] [2019-12-07 18:07:13,989 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:07:14,884 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 185 check-sat command(s) [2019-12-07 18:07:14,885 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:07:14,890 INFO L264 TraceCheckSpWp]: Trace formula consists of 3140 conjuncts, 32 conjunts are in the unsatisfiable core [2019-12-07 18:07:14,900 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:07:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 65274 proven. 4310 refuted. 0 times theorem prover too weak. 65020 trivial. 0 not checked. [2019-12-07 18:07:15,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:07:15,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 20] total 38 [2019-12-07 18:07:15,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566955825] [2019-12-07 18:07:15,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-12-07 18:07:15,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:07:15,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-12-07 18:07:15,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2019-12-07 18:07:15,857 INFO L87 Difference]: Start difference. First operand 168 states and 239 transitions. Second operand 38 states. [2019-12-07 18:07:16,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:07:16,351 INFO L93 Difference]: Finished difference Result 335 states and 477 transitions. [2019-12-07 18:07:16,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-12-07 18:07:16,352 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 1494 [2019-12-07 18:07:16,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:07:16,354 INFO L225 Difference]: With dead ends: 335 [2019-12-07 18:07:16,354 INFO L226 Difference]: Without dead ends: 189 [2019-12-07 18:07:16,355 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1980 GetRequests, 1930 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=538, Invalid=2114, Unknown=0, NotChecked=0, Total=2652 [2019-12-07 18:07:16,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-12-07 18:07:16,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 144. [2019-12-07 18:07:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-12-07 18:07:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2019-12-07 18:07:16,360 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 187 transitions. Word has length 1494 [2019-12-07 18:07:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:07:16,361 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 187 transitions. [2019-12-07 18:07:16,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-12-07 18:07:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 187 transitions. [2019-12-07 18:07:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1672 [2019-12-07 18:07:16,374 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:07:16,375 INFO L410 BasicCegarLoop]: trace histogram [245, 245, 198, 122, 122, 122, 122, 122, 122, 122, 76, 47, 1, 1, 1, 1, 1, 1] [2019-12-07 18:07:16,575 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:07:16,576 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:07:16,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:07:16,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1824040433, now seen corresponding path program 12 times [2019-12-07 18:07:16,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:07:16,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217991963] [2019-12-07 18:07:16,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:07:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:07:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 168587 backedges. 9819 proven. 13566 refuted. 0 times theorem prover too weak. 145202 trivial. 0 not checked. [2019-12-07 18:07:23,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217991963] [2019-12-07 18:07:23,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803296840] [2019-12-07 18:07:23,298 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/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 [2019-12-07 18:07:23,418 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 34 check-sat command(s) [2019-12-07 18:07:23,418 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:07:23,419 INFO L264 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-07 18:07:23,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:07:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 168587 backedges. 3206 proven. 9131 refuted. 0 times theorem prover too weak. 156250 trivial. 0 not checked. [2019-12-07 18:07:24,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:07:24,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 14] total 43 [2019-12-07 18:07:24,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378726220] [2019-12-07 18:07:24,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-12-07 18:07:24,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:07:24,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-12-07 18:07:24,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1432, Unknown=0, NotChecked=0, Total=1806 [2019-12-07 18:07:24,652 INFO L87 Difference]: Start difference. First operand 144 states and 187 transitions. Second operand 43 states. [2019-12-07 18:07:25,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:07:25,138 INFO L93 Difference]: Finished difference Result 289 states and 373 transitions. [2019-12-07 18:07:25,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-12-07 18:07:25,139 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 1671 [2019-12-07 18:07:25,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:07:25,140 INFO L225 Difference]: With dead ends: 289 [2019-12-07 18:07:25,140 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:07:25,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2212 GetRequests, 2156 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=624, Invalid=2568, Unknown=0, NotChecked=0, Total=3192 [2019-12-07 18:07:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:07:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:07:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:07:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:07:25,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1671 [2019-12-07 18:07:25,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:07:25,142 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:07:25,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-12-07 18:07:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:07:25,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:07:25,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:07:25,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:07:26,030 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 67 [2019-12-07 18:07:26,230 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 7 [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L242 CegarLoopResult]: At program point L29(lines 23 30) the Hoare annotation is: (<= 10 ULTIMATE.start_main_~x~0) [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L242 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= 10 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 10)) [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point L26-2(lines 26 28) no Hoare annotation was computed. [2019-12-07 18:07:26,235 INFO L246 CegarLoopResult]: For program point fiboEXIT(lines 5 13) no Hoare annotation was computed. [2019-12-07 18:07:26,236 INFO L246 CegarLoopResult]: For program point fiboFINAL(lines 5 13) no Hoare annotation was computed. [2019-12-07 18:07:26,236 INFO L242 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (not (<= |fibo_#in~n| 1))) [2019-12-07 18:07:26,236 INFO L246 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2019-12-07 18:07:26,236 INFO L242 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse7 (<= 8 fibo_~n)) (.cse4 (= fibo_~n |fibo_#in~n|))) (let ((.cse0 (and (<= |fibo_#t~ret0| 5) (<= 6 fibo_~n) .cse4 (<= 5 |fibo_#t~ret0|) (<= fibo_~n 6))) (.cse1 (and (<= fibo_~n 8) (<= 13 |fibo_#t~ret0|) .cse4 (<= |fibo_#t~ret0| 13) .cse7)) (.cse2 (and (<= |fibo_#t~ret0| 8) .cse4 (<= 8 |fibo_#t~ret0|) (<= fibo_~n 7) (<= 7 fibo_~n))) (.cse3 (and .cse4 (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= fibo_~n 5) (<= 5 fibo_~n)))) (and (or .cse0 (not (<= 5 |fibo_#in~n|)) (<= 9 fibo_~n) .cse1 .cse2 .cse3) (let ((.cse5 (<= |fibo_#t~ret0| 1)) (.cse6 (<= 1 |fibo_#t~ret0|))) (or (and .cse4 (<= fibo_~n 3) .cse5 .cse6 (<= 3 fibo_~n)) (and (<= 4 fibo_~n) (<= fibo_~n 4) .cse4 (<= 2 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 2)) .cse0 (and .cse4 .cse5 .cse6 (<= fibo_~n 2) (< 1 fibo_~n)) (and (<= 10 fibo_~n) .cse4 (<= 34 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 34)) (and (<= 11 fibo_~n) .cse4) .cse1 .cse2 .cse3 (and (<= |fibo_#t~ret0| 21) .cse4 (<= 21 |fibo_#t~ret0|) (<= fibo_~n 9) .cse7)))))) [2019-12-07 18:07:26,236 INFO L246 CegarLoopResult]: For program point L8(lines 8 12) no Hoare annotation was computed. [2019-12-07 18:07:26,236 INFO L246 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2019-12-07 18:07:26,236 INFO L246 CegarLoopResult]: For program point L6(lines 6 12) no Hoare annotation was computed. [2019-12-07 18:07:26,236 INFO L249 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2019-12-07 18:07:26,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:07:26 BoogieIcfgContainer [2019-12-07 18:07:26,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:07:26,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:07:26,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:07:26,247 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:07:26,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:06:38" (3/4) ... [2019-12-07 18:07:26,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:07:26,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo [2019-12-07 18:07:26,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:07:26,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:07:26,281 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4b91fa4a-a1f7-402f-b889-c8f5789f2b47/bin/uautomizer/witness.graphml [2019-12-07 18:07:26,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:07:26,283 INFO L168 Benchmark]: Toolchain (without parser) took 48337.45 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 948.9 MB in the beginning and 1.2 GB in the end (delta: -254.9 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2019-12-07 18:07:26,283 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:07:26,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:07:26,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:07:26,283 INFO L168 Benchmark]: Boogie Preprocessor took 10.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:07:26,284 INFO L168 Benchmark]: RCFGBuilder took 132.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:07:26,284 INFO L168 Benchmark]: TraceAbstraction took 47959.11 ms. Allocated memory was 1.1 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -143.1 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2019-12-07 18:07:26,284 INFO L168 Benchmark]: Witness Printer took 35.10 ms. Allocated memory is still 4.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:07:26,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 132.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47959.11 ms. Allocated memory was 1.1 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -143.1 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 35.10 ms. Allocated memory is still 4.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 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: 47.0s, OverallIterations: 16, TraceHistogramMax: 245, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 415 SDtfs, 1683 SDslu, 2696 SDs, 0 SdLazy, 5786 SolverSat, 2134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11061 GetRequests, 10561 SyntacticMatches, 92 SemanticMatches, 408 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5758 ImplicationChecksByTransitivity, 5.4s 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: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 207 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 1130 PreInvPairs, 1454 NumberOfFragments, 241 HoareAnnotationTreeSize, 1130 FomulaSimplifications, 3904 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 5919 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 30.9s 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...