./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/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 f26efe6943beb9bd444f2fe65e72a92241f10e89 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:20:52,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:20:52,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:20:52,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:20:52,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:20:52,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:20:52,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:20:52,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:20:52,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:20:52,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:20:52,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:20:52,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:20:52,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:20:52,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:20:52,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:20:52,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:20:52,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:20:52,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:20:52,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:20:52,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:20:52,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:20:52,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:20:52,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:20:52,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:20:52,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:20:52,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:20:52,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:20:52,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:20:52,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:20:52,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:20:52,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:20:52,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:20:52,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:20:52,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:20:52,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:20:52,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:20:52,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:20:52,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:20:52,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:20:52,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:20:52,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:20:52,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:20:52,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:20:52,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:20:52,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:20:52,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:20:52,245 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:20:52,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:20:52,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:20:52,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:20:52,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:20:52,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:20:52,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:20:52,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:20:52,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:20:52,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:20:52,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:20:52,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:20:52,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:20:52,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:20:52,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:20:52,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:20:52,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:20:52,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:20:52,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:20:52,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:20:52,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:20:52,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:20:52,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:20:52,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:20:52,250 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_daf533b6-f846-42db-b37f-e1d292735cac/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 -> f26efe6943beb9bd444f2fe65e72a92241f10e89 [2019-11-15 21:20:52,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:20:52,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:20:52,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:20:52,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:20:52,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:20:52,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c [2019-11-15 21:20:52,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/data/f25b051df/f847bf510ae84dc1845b5272d8e0dcaa/FLAG2b905d0ad [2019-11-15 21:20:52,733 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:20:52,734 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c [2019-11-15 21:20:52,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/data/f25b051df/f847bf510ae84dc1845b5272d8e0dcaa/FLAG2b905d0ad [2019-11-15 21:20:53,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/data/f25b051df/f847bf510ae84dc1845b5272d8e0dcaa [2019-11-15 21:20:53,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:20:53,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:20:53,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:20:53,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:20:53,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:20:53,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634a4478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53, skipping insertion in model container [2019-11-15 21:20:53,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:20:53,164 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:20:53,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:20:53,313 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:20:53,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:20:53,408 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:20:53,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53 WrapperNode [2019-11-15 21:20:53,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:20:53,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:20:53,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:20:53,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:20:53,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:20:53,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:20:53,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:20:53,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:20:53,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... [2019-11-15 21:20:53,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:20:53,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:20:53,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:20:53,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:20:53,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:20:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:20:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:20:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2019-11-15 21:20:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2019-11-15 21:20:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2019-11-15 21:20:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2019-11-15 21:20:53,786 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:20:53,788 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 21:20:53,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:20:53 BoogieIcfgContainer [2019-11-15 21:20:53,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:20:53,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:20:53,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:20:53,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:20:53,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:20:53" (1/3) ... [2019-11-15 21:20:53,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b98c7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:20:53, skipping insertion in model container [2019-11-15 21:20:53,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:20:53" (2/3) ... [2019-11-15 21:20:53,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b98c7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:20:53, skipping insertion in model container [2019-11-15 21:20:53,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:20:53" (3/3) ... [2019-11-15 21:20:53,806 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2019-11-15 21:20:53,817 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:20:53,825 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:20:53,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:20:53,881 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:20:53,882 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:20:53,882 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:20:53,884 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:20:53,885 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:20:53,885 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:20:53,885 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:20:53,885 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:20:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-15 21:20:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 21:20:53,915 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:53,916 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:53,919 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:53,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1871295635, now seen corresponding path program 1 times [2019-11-15 21:20:53,933 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:53,933 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930948986] [2019-11-15 21:20:53,933 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:53,934 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:53,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:20:54,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930948986] [2019-11-15 21:20:54,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:20:54,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:20:54,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899751823] [2019-11-15 21:20:54,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:20:54,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:54,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:20:54,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:20:54,159 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-11-15 21:20:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:54,263 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-11-15 21:20:54,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:20:54,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-15 21:20:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:54,273 INFO L225 Difference]: With dead ends: 38 [2019-11-15 21:20:54,274 INFO L226 Difference]: Without dead ends: 26 [2019-11-15 21:20:54,277 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:20:54,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-15 21:20:54,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-15 21:20:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 21:20:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-11-15 21:20:54,316 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 9 [2019-11-15 21:20:54,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:54,316 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-11-15 21:20:54,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:20:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-15 21:20:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 21:20:54,320 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:54,320 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:54,321 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:54,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1404217650, now seen corresponding path program 1 times [2019-11-15 21:20:54,321 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:54,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316215072] [2019-11-15 21:20:54,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:54,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:54,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:20:54,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316215072] [2019-11-15 21:20:54,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:20:54,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:20:54,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159073948] [2019-11-15 21:20:54,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:20:54,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:54,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:20:54,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:20:54,374 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 5 states. [2019-11-15 21:20:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:54,453 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2019-11-15 21:20:54,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:20:54,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-15 21:20:54,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:54,455 INFO L225 Difference]: With dead ends: 32 [2019-11-15 21:20:54,455 INFO L226 Difference]: Without dead ends: 28 [2019-11-15 21:20:54,456 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:20:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-15 21:20:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-11-15 21:20:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 21:20:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-11-15 21:20:54,464 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 10 [2019-11-15 21:20:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:54,467 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-11-15 21:20:54,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:20:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-15 21:20:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 21:20:54,469 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:54,470 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:54,471 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:54,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:54,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1629927371, now seen corresponding path program 1 times [2019-11-15 21:20:54,472 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:54,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361518470] [2019-11-15 21:20:54,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:54,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:54,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:20:54,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361518470] [2019-11-15 21:20:54,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833043509] [2019-11-15 21:20:54,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:54,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 21:20:54,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:20:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:20:54,761 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:20:54,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-11-15 21:20:54,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812983356] [2019-11-15 21:20:54,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:20:54,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:54,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:20:54,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:20:54,763 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 10 states. [2019-11-15 21:20:55,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:55,046 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2019-11-15 21:20:55,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:20:55,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-11-15 21:20:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:55,048 INFO L225 Difference]: With dead ends: 59 [2019-11-15 21:20:55,049 INFO L226 Difference]: Without dead ends: 35 [2019-11-15 21:20:55,050 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:20:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-15 21:20:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-15 21:20:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 21:20:55,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2019-11-15 21:20:55,058 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 22 [2019-11-15 21:20:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:55,058 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2019-11-15 21:20:55,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:20:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2019-11-15 21:20:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 21:20:55,061 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:55,061 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:55,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:55,265 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:55,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:55,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1285987244, now seen corresponding path program 1 times [2019-11-15 21:20:55,266 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:55,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898035544] [2019-11-15 21:20:55,266 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:55,266 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:55,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:20:55,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898035544] [2019-11-15 21:20:55,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137597954] [2019-11-15 21:20:55,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 21:20:55,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:20:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:20:55,470 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:20:55,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-11-15 21:20:55,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814795166] [2019-11-15 21:20:55,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:20:55,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:55,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:20:55,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:20:55,472 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand 10 states. [2019-11-15 21:20:55,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:55,649 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2019-11-15 21:20:55,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 21:20:55,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-15 21:20:55,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:55,653 INFO L225 Difference]: With dead ends: 55 [2019-11-15 21:20:55,653 INFO L226 Difference]: Without dead ends: 51 [2019-11-15 21:20:55,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:20:55,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-15 21:20:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2019-11-15 21:20:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-15 21:20:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2019-11-15 21:20:55,666 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 23 [2019-11-15 21:20:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:55,666 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2019-11-15 21:20:55,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:20:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2019-11-15 21:20:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 21:20:55,669 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:55,669 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:55,872 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:55,872 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:55,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:55,872 INFO L82 PathProgramCache]: Analyzing trace with hash -649262923, now seen corresponding path program 1 times [2019-11-15 21:20:55,873 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:55,873 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552804770] [2019-11-15 21:20:55,873 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:55,873 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:55,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 21:20:56,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552804770] [2019-11-15 21:20:56,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270281936] [2019-11-15 21:20:56,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 21:20:56,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:20:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 21:20:56,163 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:20:56,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2019-11-15 21:20:56,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770935800] [2019-11-15 21:20:56,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:20:56,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:56,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:20:56,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:20:56,165 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand 12 states. [2019-11-15 21:20:56,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:56,527 INFO L93 Difference]: Finished difference Result 114 states and 187 transitions. [2019-11-15 21:20:56,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:20:56,527 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-15 21:20:56,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:56,530 INFO L225 Difference]: With dead ends: 114 [2019-11-15 21:20:56,531 INFO L226 Difference]: Without dead ends: 68 [2019-11-15 21:20:56,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:20:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-15 21:20:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-11-15 21:20:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-15 21:20:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 98 transitions. [2019-11-15 21:20:56,561 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 98 transitions. Word has length 35 [2019-11-15 21:20:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:56,561 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 98 transitions. [2019-11-15 21:20:56,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:20:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2019-11-15 21:20:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-15 21:20:56,566 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:56,567 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:56,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:56,770 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:56,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:56,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2000747716, now seen corresponding path program 1 times [2019-11-15 21:20:56,771 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:56,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110221062] [2019-11-15 21:20:56,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:56,772 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:56,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-15 21:20:56,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110221062] [2019-11-15 21:20:56,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4248379] [2019-11-15 21:20:56,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:56,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 21:20:56,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:20:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 21:20:57,000 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:20:57,000 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2019-11-15 21:20:57,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478076141] [2019-11-15 21:20:57,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:20:57,001 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:57,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:20:57,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:20:57,002 INFO L87 Difference]: Start difference. First operand 66 states and 98 transitions. Second operand 12 states. [2019-11-15 21:20:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:57,276 INFO L93 Difference]: Finished difference Result 147 states and 239 transitions. [2019-11-15 21:20:57,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:20:57,277 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2019-11-15 21:20:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:57,279 INFO L225 Difference]: With dead ends: 147 [2019-11-15 21:20:57,279 INFO L226 Difference]: Without dead ends: 83 [2019-11-15 21:20:57,281 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:20:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-15 21:20:57,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 66. [2019-11-15 21:20:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-15 21:20:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 96 transitions. [2019-11-15 21:20:57,295 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 96 transitions. Word has length 36 [2019-11-15 21:20:57,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:57,296 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 96 transitions. [2019-11-15 21:20:57,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:20:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2019-11-15 21:20:57,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-15 21:20:57,299 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:57,299 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:57,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:57,503 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:57,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:57,503 INFO L82 PathProgramCache]: Analyzing trace with hash -434541687, now seen corresponding path program 1 times [2019-11-15 21:20:57,503 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:57,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026219783] [2019-11-15 21:20:57,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:57,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:57,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-15 21:20:57,679 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026219783] [2019-11-15 21:20:57,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30298138] [2019-11-15 21:20:57,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:57,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 21:20:57,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:20:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-15 21:20:57,834 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:20:57,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2019-11-15 21:20:57,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641354821] [2019-11-15 21:20:57,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 21:20:57,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:57,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 21:20:57,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:20:57,836 INFO L87 Difference]: Start difference. First operand 66 states and 96 transitions. Second operand 16 states. [2019-11-15 21:20:58,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:58,355 INFO L93 Difference]: Finished difference Result 164 states and 279 transitions. [2019-11-15 21:20:58,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:20:58,356 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 50 [2019-11-15 21:20:58,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:58,358 INFO L225 Difference]: With dead ends: 164 [2019-11-15 21:20:58,358 INFO L226 Difference]: Without dead ends: 100 [2019-11-15 21:20:58,360 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2019-11-15 21:20:58,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-15 21:20:58,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2019-11-15 21:20:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-15 21:20:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 145 transitions. [2019-11-15 21:20:58,397 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 145 transitions. Word has length 50 [2019-11-15 21:20:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:58,398 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 145 transitions. [2019-11-15 21:20:58,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 21:20:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2019-11-15 21:20:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-15 21:20:58,409 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:58,409 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:58,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:58,623 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:58,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:58,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1917551255, now seen corresponding path program 1 times [2019-11-15 21:20:58,623 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:58,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614143769] [2019-11-15 21:20:58,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:58,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:58,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 33 proven. 58 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-15 21:20:58,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614143769] [2019-11-15 21:20:58,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461585654] [2019-11-15 21:20:58,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:58,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 21:20:58,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:20:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 13 proven. 90 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-11-15 21:20:59,076 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:20:59,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 18 [2019-11-15 21:20:59,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125360657] [2019-11-15 21:20:59,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 21:20:59,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:20:59,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 21:20:59,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:20:59,079 INFO L87 Difference]: Start difference. First operand 89 states and 145 transitions. Second operand 18 states. [2019-11-15 21:20:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:20:59,641 INFO L93 Difference]: Finished difference Result 207 states and 388 transitions. [2019-11-15 21:20:59,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-15 21:20:59,642 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 91 [2019-11-15 21:20:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:20:59,643 INFO L225 Difference]: With dead ends: 207 [2019-11-15 21:20:59,643 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 21:20:59,645 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2019-11-15 21:20:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 21:20:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 88. [2019-11-15 21:20:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-15 21:20:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 135 transitions. [2019-11-15 21:20:59,659 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 135 transitions. Word has length 91 [2019-11-15 21:20:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:20:59,660 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 135 transitions. [2019-11-15 21:20:59,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 21:20:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2019-11-15 21:20:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-15 21:20:59,665 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:20:59,666 INFO L380 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2019-11-15 21:20:59,877 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:20:59,877 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:20:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:20:59,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1677007191, now seen corresponding path program 1 times [2019-11-15 21:20:59,878 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:20:59,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076059428] [2019-11-15 21:20:59,878 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:59,878 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:20:59,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:20:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:20:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 168 proven. 154 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-15 21:21:00,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076059428] [2019-11-15 21:21:00,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041926003] [2019-11-15 21:21:00,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:00,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 21:21:00,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 29 proven. 218 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2019-11-15 21:21:00,736 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:00,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 26 [2019-11-15 21:21:00,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455753466] [2019-11-15 21:21:00,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-15 21:21:00,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-15 21:21:00,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2019-11-15 21:21:00,741 INFO L87 Difference]: Start difference. First operand 88 states and 135 transitions. Second operand 26 states. [2019-11-15 21:21:01,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:01,691 INFO L93 Difference]: Finished difference Result 258 states and 505 transitions. [2019-11-15 21:21:01,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-11-15 21:21:01,691 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 147 [2019-11-15 21:21:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:01,694 INFO L225 Difference]: With dead ends: 258 [2019-11-15 21:21:01,694 INFO L226 Difference]: Without dead ends: 158 [2019-11-15 21:21:01,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=272, Invalid=1620, Unknown=0, NotChecked=0, Total=1892 [2019-11-15 21:21:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-15 21:21:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 119. [2019-11-15 21:21:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-15 21:21:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2019-11-15 21:21:01,714 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 147 [2019-11-15 21:21:01,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:01,715 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2019-11-15 21:21:01,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-15 21:21:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2019-11-15 21:21:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-11-15 21:21:01,720 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:01,720 INFO L380 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 15, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:01,923 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:01,923 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:01,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:01,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1513166689, now seen corresponding path program 2 times [2019-11-15 21:21:01,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:01,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167169025] [2019-11-15 21:21:01,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:01,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:01,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 427 proven. 425 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2019-11-15 21:21:02,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167169025] [2019-11-15 21:21:02,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124105709] [2019-11-15 21:21:02,590 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:02,710 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 21:21:02,710 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:02,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-15 21:21:02,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 79 proven. 529 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2019-11-15 21:21:02,882 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:02,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 23 [2019-11-15 21:21:02,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135840706] [2019-11-15 21:21:02,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 21:21:02,884 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:02,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 21:21:02,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:21:02,885 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 23 states. [2019-11-15 21:21:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:03,492 INFO L93 Difference]: Finished difference Result 272 states and 472 transitions. [2019-11-15 21:21:03,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 21:21:03,493 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 266 [2019-11-15 21:21:03,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:03,495 INFO L225 Difference]: With dead ends: 272 [2019-11-15 21:21:03,495 INFO L226 Difference]: Without dead ends: 163 [2019-11-15 21:21:03,497 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=1054, Unknown=0, NotChecked=0, Total=1260 [2019-11-15 21:21:03,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-15 21:21:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 130. [2019-11-15 21:21:03,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 21:21:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 198 transitions. [2019-11-15 21:21:03,521 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 198 transitions. Word has length 266 [2019-11-15 21:21:03,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:03,522 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 198 transitions. [2019-11-15 21:21:03,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 21:21:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 198 transitions. [2019-11-15 21:21:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2019-11-15 21:21:03,533 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:03,534 INFO L380 BasicCegarLoop]: trace histogram [37, 37, 34, 34, 29, 28, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 12, 10, 8, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:03,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:03,737 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:03,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:03,738 INFO L82 PathProgramCache]: Analyzing trace with hash 988747327, now seen corresponding path program 3 times [2019-11-15 21:21:03,738 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:03,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505956946] [2019-11-15 21:21:03,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:03,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:03,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6848 backedges. 1625 proven. 1738 refuted. 0 times theorem prover too weak. 3485 trivial. 0 not checked. [2019-11-15 21:21:05,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505956946] [2019-11-15 21:21:05,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913023410] [2019-11-15 21:21:05,751 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:05,832 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-11-15 21:21:05,832 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:05,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 21:21:05,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6848 backedges. 1060 proven. 34 refuted. 0 times theorem prover too weak. 5754 trivial. 0 not checked. [2019-11-15 21:21:06,143 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:06,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 12] total 44 [2019-11-15 21:21:06,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40565602] [2019-11-15 21:21:06,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-11-15 21:21:06,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:06,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-11-15 21:21:06,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1672, Unknown=0, NotChecked=0, Total=1892 [2019-11-15 21:21:06,147 INFO L87 Difference]: Start difference. First operand 130 states and 198 transitions. Second operand 44 states. [2019-11-15 21:21:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:07,403 INFO L93 Difference]: Finished difference Result 310 states and 547 transitions. [2019-11-15 21:21:07,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-11-15 21:21:07,404 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 486 [2019-11-15 21:21:07,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:07,407 INFO L225 Difference]: With dead ends: 310 [2019-11-15 21:21:07,407 INFO L226 Difference]: Without dead ends: 189 [2019-11-15 21:21:07,410 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=538, Invalid=4154, Unknown=0, NotChecked=0, Total=4692 [2019-11-15 21:21:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-15 21:21:07,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 153. [2019-11-15 21:21:07,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-15 21:21:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 214 transitions. [2019-11-15 21:21:07,434 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 214 transitions. Word has length 486 [2019-11-15 21:21:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:07,436 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 214 transitions. [2019-11-15 21:21:07,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-11-15 21:21:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 214 transitions. [2019-11-15 21:21:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2019-11-15 21:21:07,453 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:07,454 INFO L380 BasicCegarLoop]: trace histogram [52, 52, 49, 49, 42, 40, 26, 26, 26, 26, 26, 26, 26, 24, 24, 24, 24, 24, 24, 24, 18, 14, 10, 9, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:07,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:07,657 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:07,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:07,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1792631629, now seen corresponding path program 4 times [2019-11-15 21:21:07,658 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:07,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506747529] [2019-11-15 21:21:07,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:07,659 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:07,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14053 backedges. 2558 proven. 2923 refuted. 0 times theorem prover too weak. 8572 trivial. 0 not checked. [2019-11-15 21:21:10,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506747529] [2019-11-15 21:21:10,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229496122] [2019-11-15 21:21:10,763 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:10,941 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 21:21:10,942 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:10,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 21:21:10,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14053 backedges. 220 proven. 1847 refuted. 0 times theorem prover too weak. 11986 trivial. 0 not checked. [2019-11-15 21:21:11,308 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:11,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 13] total 43 [2019-11-15 21:21:11,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025646530] [2019-11-15 21:21:11,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-15 21:21:11,310 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:11,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-15 21:21:11,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1581, Unknown=0, NotChecked=0, Total=1806 [2019-11-15 21:21:11,312 INFO L87 Difference]: Start difference. First operand 153 states and 214 transitions. Second operand 43 states. [2019-11-15 21:21:12,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:12,838 INFO L93 Difference]: Finished difference Result 371 states and 596 transitions. [2019-11-15 21:21:12,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-11-15 21:21:12,838 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 691 [2019-11-15 21:21:12,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:12,841 INFO L225 Difference]: With dead ends: 371 [2019-11-15 21:21:12,842 INFO L226 Difference]: Without dead ends: 228 [2019-11-15 21:21:12,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1321 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=494, Invalid=3412, Unknown=0, NotChecked=0, Total=3906 [2019-11-15 21:21:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-15 21:21:12,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 199. [2019-11-15 21:21:12,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-15 21:21:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 303 transitions. [2019-11-15 21:21:12,861 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 303 transitions. Word has length 691 [2019-11-15 21:21:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:12,862 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 303 transitions. [2019-11-15 21:21:12,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-15 21:21:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 303 transitions. [2019-11-15 21:21:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2019-11-15 21:21:12,886 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:12,887 INFO L380 BasicCegarLoop]: trace histogram [62, 62, 53, 53, 48, 45, 31, 31, 31, 31, 31, 31, 31, 26, 26, 26, 26, 26, 26, 26, 22, 14, 14, 8, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:13,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:13,099 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:13,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:13,100 INFO L82 PathProgramCache]: Analyzing trace with hash -774123543, now seen corresponding path program 5 times [2019-11-15 21:21:13,100 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:13,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538539623] [2019-11-15 21:21:13,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:13,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:13,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18354 backedges. 3011 proven. 4375 refuted. 0 times theorem prover too weak. 10968 trivial. 0 not checked. [2019-11-15 21:21:16,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538539623] [2019-11-15 21:21:16,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83414472] [2019-11-15 21:21:16,437 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:16,658 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2019-11-15 21:21:16,659 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:16,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 21:21:16,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18354 backedges. 7811 proven. 270 refuted. 0 times theorem prover too weak. 10273 trivial. 0 not checked. [2019-11-15 21:21:17,156 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:17,157 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15] total 37 [2019-11-15 21:21:17,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927331437] [2019-11-15 21:21:17,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-11-15 21:21:17,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:17,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-11-15 21:21:17,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1168, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 21:21:17,164 INFO L87 Difference]: Start difference. First operand 199 states and 303 transitions. Second operand 37 states. [2019-11-15 21:21:18,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:18,167 INFO L93 Difference]: Finished difference Result 438 states and 704 transitions. [2019-11-15 21:21:18,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-11-15 21:21:18,168 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 786 [2019-11-15 21:21:18,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:18,171 INFO L225 Difference]: With dead ends: 438 [2019-11-15 21:21:18,172 INFO L226 Difference]: Without dead ends: 248 [2019-11-15 21:21:18,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1099 GetRequests, 1045 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=408, Invalid=2672, Unknown=0, NotChecked=0, Total=3080 [2019-11-15 21:21:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-11-15 21:21:18,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 203. [2019-11-15 21:21:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-15 21:21:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 306 transitions. [2019-11-15 21:21:18,191 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 306 transitions. Word has length 786 [2019-11-15 21:21:18,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:18,191 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 306 transitions. [2019-11-15 21:21:18,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-11-15 21:21:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions. [2019-11-15 21:21:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2019-11-15 21:21:18,196 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:18,196 INFO L380 BasicCegarLoop]: trace histogram [40, 40, 37, 37, 31, 31, 20, 20, 20, 20, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 13, 11, 9, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:18,400 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:18,400 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:18,401 INFO L82 PathProgramCache]: Analyzing trace with hash 93141553, now seen corresponding path program 6 times [2019-11-15 21:21:18,401 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:18,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416136133] [2019-11-15 21:21:18,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:18,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:18,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 526 proven. 1562 refuted. 0 times theorem prover too weak. 5998 trivial. 0 not checked. [2019-11-15 21:21:19,980 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416136133] [2019-11-15 21:21:19,980 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688923612] [2019-11-15 21:21:19,980 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:20,158 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2019-11-15 21:21:20,158 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:20,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 21:21:20,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 437 proven. 724 refuted. 0 times theorem prover too weak. 6925 trivial. 0 not checked. [2019-11-15 21:21:20,431 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:20,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 11] total 32 [2019-11-15 21:21:20,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001463251] [2019-11-15 21:21:20,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-11-15 21:21:20,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:20,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-11-15 21:21:20,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2019-11-15 21:21:20,434 INFO L87 Difference]: Start difference. First operand 203 states and 306 transitions. Second operand 32 states. [2019-11-15 21:21:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:21,748 INFO L93 Difference]: Finished difference Result 460 states and 722 transitions. [2019-11-15 21:21:21,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-11-15 21:21:21,748 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 527 [2019-11-15 21:21:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:21,752 INFO L225 Difference]: With dead ends: 460 [2019-11-15 21:21:21,753 INFO L226 Difference]: Without dead ends: 271 [2019-11-15 21:21:21,755 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 675 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=2674, Unknown=0, NotChecked=0, Total=3080 [2019-11-15 21:21:21,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-11-15 21:21:21,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 200. [2019-11-15 21:21:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-15 21:21:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 286 transitions. [2019-11-15 21:21:21,775 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 286 transitions. Word has length 527 [2019-11-15 21:21:21,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:21,776 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 286 transitions. [2019-11-15 21:21:21,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-11-15 21:21:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 286 transitions. [2019-11-15 21:21:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1018 [2019-11-15 21:21:21,790 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:21,791 INFO L380 BasicCegarLoop]: trace histogram [77, 77, 72, 72, 61, 59, 38, 38, 38, 38, 38, 38, 38, 36, 36, 36, 36, 36, 36, 36, 25, 21, 16, 13, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:22,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:22,003 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:22,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:22,003 INFO L82 PathProgramCache]: Analyzing trace with hash -601832081, now seen corresponding path program 7 times [2019-11-15 21:21:22,003 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:22,003 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874131942] [2019-11-15 21:21:22,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:22,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:22,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30801 backedges. 5717 proven. 5807 refuted. 0 times theorem prover too weak. 19277 trivial. 0 not checked. [2019-11-15 21:21:26,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874131942] [2019-11-15 21:21:26,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344558678] [2019-11-15 21:21:26,735 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:27,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-15 21:21:27,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30801 backedges. 459 proven. 3061 refuted. 0 times theorem prover too weak. 27281 trivial. 0 not checked. [2019-11-15 21:21:27,565 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:27,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 14] total 47 [2019-11-15 21:21:27,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904619288] [2019-11-15 21:21:27,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-11-15 21:21:27,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:27,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-11-15 21:21:27,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1899, Unknown=0, NotChecked=0, Total=2162 [2019-11-15 21:21:27,568 INFO L87 Difference]: Start difference. First operand 200 states and 286 transitions. Second operand 47 states. [2019-11-15 21:21:29,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:29,018 INFO L93 Difference]: Finished difference Result 485 states and 813 transitions. [2019-11-15 21:21:29,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-11-15 21:21:29,020 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 1017 [2019-11-15 21:21:29,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:29,025 INFO L225 Difference]: With dead ends: 485 [2019-11-15 21:21:29,025 INFO L226 Difference]: Without dead ends: 299 [2019-11-15 21:21:29,028 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1416 GetRequests, 1343 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1871 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=676, Invalid=4874, Unknown=0, NotChecked=0, Total=5550 [2019-11-15 21:21:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-11-15 21:21:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 260. [2019-11-15 21:21:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-11-15 21:21:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 397 transitions. [2019-11-15 21:21:29,047 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 397 transitions. Word has length 1017 [2019-11-15 21:21:29,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:29,048 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 397 transitions. [2019-11-15 21:21:29,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-11-15 21:21:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 397 transitions. [2019-11-15 21:21:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2019-11-15 21:21:29,057 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:29,057 INFO L380 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 13, 13, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:29,262 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:29,262 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:29,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:29,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2056062327, now seen corresponding path program 8 times [2019-11-15 21:21:29,262 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:29,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22284413] [2019-11-15 21:21:29,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:29,263 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:29,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 1572 proven. 3431 refuted. 0 times theorem prover too weak. 20225 trivial. 0 not checked. [2019-11-15 21:21:32,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22284413] [2019-11-15 21:21:32,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404684943] [2019-11-15 21:21:32,593 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:32,843 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 21:21:32,844 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:32,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 21:21:32,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 1476 proven. 1343 refuted. 0 times theorem prover too weak. 22409 trivial. 0 not checked. [2019-11-15 21:21:33,315 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:33,315 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 13] total 38 [2019-11-15 21:21:33,316 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421638220] [2019-11-15 21:21:33,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-11-15 21:21:33,317 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:33,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-11-15 21:21:33,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1223, Unknown=0, NotChecked=0, Total=1406 [2019-11-15 21:21:33,318 INFO L87 Difference]: Start difference. First operand 260 states and 397 transitions. Second operand 38 states. [2019-11-15 21:21:34,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:34,749 INFO L93 Difference]: Finished difference Result 602 states and 998 transitions. [2019-11-15 21:21:34,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-11-15 21:21:34,749 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 922 [2019-11-15 21:21:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:34,755 INFO L225 Difference]: With dead ends: 602 [2019-11-15 21:21:34,755 INFO L226 Difference]: Without dead ends: 355 [2019-11-15 21:21:34,760 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1254 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=586, Invalid=4106, Unknown=0, NotChecked=0, Total=4692 [2019-11-15 21:21:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-11-15 21:21:34,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 246. [2019-11-15 21:21:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-11-15 21:21:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 365 transitions. [2019-11-15 21:21:34,790 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 365 transitions. Word has length 922 [2019-11-15 21:21:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:34,794 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 365 transitions. [2019-11-15 21:21:34,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-11-15 21:21:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 365 transitions. [2019-11-15 21:21:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2019-11-15 21:21:34,809 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:34,810 INFO L380 BasicCegarLoop]: trace histogram [106, 106, 103, 103, 86, 83, 53, 53, 53, 53, 53, 53, 53, 51, 51, 51, 51, 51, 51, 51, 35, 30, 20, 20, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:35,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:35,016 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:35,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash 842630168, now seen corresponding path program 9 times [2019-11-15 21:21:35,016 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:35,017 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556004103] [2019-11-15 21:21:35,017 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:35,017 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:35,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 60942 backedges. 7812 proven. 9922 refuted. 0 times theorem prover too weak. 43208 trivial. 0 not checked. [2019-11-15 21:21:42,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556004103] [2019-11-15 21:21:42,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565733445] [2019-11-15 21:21:42,471 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:42,652 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2019-11-15 21:21:42,652 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:42,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 21:21:42,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 60942 backedges. 2420 proven. 322 refuted. 0 times theorem prover too weak. 58200 trivial. 0 not checked. [2019-11-15 21:21:43,636 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:43,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 10] total 42 [2019-11-15 21:21:43,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185778363] [2019-11-15 21:21:43,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-15 21:21:43,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:43,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-15 21:21:43,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1526, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 21:21:43,640 INFO L87 Difference]: Start difference. First operand 246 states and 365 transitions. Second operand 42 states. [2019-11-15 21:21:44,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:44,936 INFO L93 Difference]: Finished difference Result 566 states and 883 transitions. [2019-11-15 21:21:44,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-11-15 21:21:44,939 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 1426 [2019-11-15 21:21:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:44,943 INFO L225 Difference]: With dead ends: 566 [2019-11-15 21:21:44,943 INFO L226 Difference]: Without dead ends: 333 [2019-11-15 21:21:44,946 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1947 GetRequests, 1878 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1531 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=602, Invalid=4368, Unknown=0, NotChecked=0, Total=4970 [2019-11-15 21:21:44,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-11-15 21:21:44,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 265. [2019-11-15 21:21:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-11-15 21:21:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 388 transitions. [2019-11-15 21:21:44,966 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 388 transitions. Word has length 1426 [2019-11-15 21:21:44,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:44,967 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 388 transitions. [2019-11-15 21:21:44,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-15 21:21:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 388 transitions. [2019-11-15 21:21:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1849 [2019-11-15 21:21:44,991 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:44,992 INFO L380 BasicCegarLoop]: trace histogram [138, 138, 133, 133, 110, 109, 69, 69, 69, 69, 69, 69, 69, 66, 66, 66, 66, 66, 66, 66, 44, 40, 28, 24, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:45,195 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:45,199 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:45,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:45,199 INFO L82 PathProgramCache]: Analyzing trace with hash 434446667, now seen corresponding path program 10 times [2019-11-15 21:21:45,200 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:45,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376551135] [2019-11-15 21:21:45,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:45,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:45,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:21:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 102769 backedges. 9279 proven. 12749 refuted. 0 times theorem prover too weak. 80741 trivial. 0 not checked. [2019-11-15 21:21:54,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376551135] [2019-11-15 21:21:54,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738207133] [2019-11-15 21:21:54,750 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:55,127 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 21:21:55,128 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:21:55,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 3290 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-15 21:21:55,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:21:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 102769 backedges. 2189 proven. 4643 refuted. 0 times theorem prover too weak. 95937 trivial. 0 not checked. [2019-11-15 21:21:57,020 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:21:57,021 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 15] total 44 [2019-11-15 21:21:57,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630807847] [2019-11-15 21:21:57,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-11-15 21:21:57,022 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:21:57,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-11-15 21:21:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1670, Unknown=0, NotChecked=0, Total=1892 [2019-11-15 21:21:57,023 INFO L87 Difference]: Start difference. First operand 265 states and 388 transitions. Second operand 44 states. [2019-11-15 21:21:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:21:58,692 INFO L93 Difference]: Finished difference Result 662 states and 1183 transitions. [2019-11-15 21:21:58,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2019-11-15 21:21:58,693 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 1848 [2019-11-15 21:21:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:21:58,698 INFO L225 Difference]: With dead ends: 662 [2019-11-15 21:21:58,699 INFO L226 Difference]: Without dead ends: 362 [2019-11-15 21:21:58,703 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2486 GetRequests, 2414 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1802 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=634, Invalid=4622, Unknown=0, NotChecked=0, Total=5256 [2019-11-15 21:21:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-11-15 21:21:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 278. [2019-11-15 21:21:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-15 21:21:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 403 transitions. [2019-11-15 21:21:58,724 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 403 transitions. Word has length 1848 [2019-11-15 21:21:58,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:21:58,726 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 403 transitions. [2019-11-15 21:21:58,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-11-15 21:21:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 403 transitions. [2019-11-15 21:21:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2019-11-15 21:21:58,742 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:21:58,742 INFO L380 BasicCegarLoop]: trace histogram [110, 110, 109, 109, 89, 88, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 34, 34, 22, 20, 1, 1, 1, 1, 1, 1] [2019-11-15 21:21:58,947 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:21:58,947 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:21:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:21:58,948 INFO L82 PathProgramCache]: Analyzing trace with hash -518916371, now seen corresponding path program 11 times [2019-11-15 21:21:58,948 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:21:58,948 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921137592] [2019-11-15 21:21:58,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:58,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:21:58,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:21:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 3330 proven. 6804 refuted. 0 times theorem prover too weak. 56798 trivial. 0 not checked. [2019-11-15 21:22:04,791 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921137592] [2019-11-15 21:22:04,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065233709] [2019-11-15 21:22:04,792 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:05,552 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 93 check-sat command(s) [2019-11-15 21:22:05,552 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:22:05,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 3209 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-15 21:22:05,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:22:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 4609 proven. 4880 refuted. 0 times theorem prover too weak. 57443 trivial. 0 not checked. [2019-11-15 21:22:06,777 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:22:06,778 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 23] total 50 [2019-11-15 21:22:06,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901418249] [2019-11-15 21:22:06,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-11-15 21:22:06,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:22:06,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-11-15 21:22:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=2155, Unknown=0, NotChecked=0, Total=2450 [2019-11-15 21:22:06,780 INFO L87 Difference]: Start difference. First operand 278 states and 403 transitions. Second operand 50 states. [2019-11-15 21:22:08,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:22:08,846 INFO L93 Difference]: Finished difference Result 665 states and 1108 transitions. [2019-11-15 21:22:08,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-11-15 21:22:08,855 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 1494 [2019-11-15 21:22:08,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:22:08,861 INFO L225 Difference]: With dead ends: 665 [2019-11-15 21:22:08,861 INFO L226 Difference]: Without dead ends: 401 [2019-11-15 21:22:08,866 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2021 GetRequests, 1921 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3559 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1165, Invalid=9137, Unknown=0, NotChecked=0, Total=10302 [2019-11-15 21:22:08,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-15 21:22:08,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 294. [2019-11-15 21:22:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-11-15 21:22:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 412 transitions. [2019-11-15 21:22:08,889 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 412 transitions. Word has length 1494 [2019-11-15 21:22:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:22:08,890 INFO L462 AbstractCegarLoop]: Abstraction has 294 states and 412 transitions. [2019-11-15 21:22:08,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 50 states. [2019-11-15 21:22:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 412 transitions. [2019-11-15 21:22:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1318 [2019-11-15 21:22:08,905 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:22:08,905 INFO L380 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 79, 77, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 31, 29, 19, 18, 1, 1, 1, 1, 1, 1] [2019-11-15 21:22:09,111 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:09,112 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:22:09,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:22:09,112 INFO L82 PathProgramCache]: Analyzing trace with hash 82949353, now seen corresponding path program 12 times [2019-11-15 21:22:09,112 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:22:09,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807642828] [2019-11-15 21:22:09,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:22:09,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:22:09,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:22:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 5412 proven. 5814 refuted. 0 times theorem prover too weak. 40669 trivial. 0 not checked. [2019-11-15 21:22:13,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807642828] [2019-11-15 21:22:13,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133140927] [2019-11-15 21:22:13,798 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:14,380 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 77 check-sat command(s) [2019-11-15 21:22:14,381 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:22:14,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-15 21:22:14,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:22:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 4806 proven. 720 refuted. 0 times theorem prover too weak. 46369 trivial. 0 not checked. [2019-11-15 21:22:15,295 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:22:15,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 17] total 56 [2019-11-15 21:22:15,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316206271] [2019-11-15 21:22:15,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2019-11-15 21:22:15,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:22:15,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2019-11-15 21:22:15,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=2700, Unknown=0, NotChecked=0, Total=3080 [2019-11-15 21:22:15,298 INFO L87 Difference]: Start difference. First operand 294 states and 412 transitions. Second operand 56 states. [2019-11-15 21:22:17,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:22:17,287 INFO L93 Difference]: Finished difference Result 619 states and 870 transitions. [2019-11-15 21:22:17,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2019-11-15 21:22:17,288 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 1317 [2019-11-15 21:22:17,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:22:17,292 INFO L225 Difference]: With dead ends: 619 [2019-11-15 21:22:17,292 INFO L226 Difference]: Without dead ends: 351 [2019-11-15 21:22:17,295 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1812 GetRequests, 1697 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5113 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1562, Invalid=12010, Unknown=0, NotChecked=0, Total=13572 [2019-11-15 21:22:17,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-11-15 21:22:17,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 269. [2019-11-15 21:22:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-15 21:22:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 368 transitions. [2019-11-15 21:22:17,314 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 368 transitions. Word has length 1317 [2019-11-15 21:22:17,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:22:17,316 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 368 transitions. [2019-11-15 21:22:17,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 56 states. [2019-11-15 21:22:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 368 transitions. [2019-11-15 21:22:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2019-11-15 21:22:17,328 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:22:17,329 INFO L380 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1] [2019-11-15 21:22:17,534 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:17,534 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:22:17,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:22:17,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1008927292, now seen corresponding path program 13 times [2019-11-15 21:22:17,535 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:22:17,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452057610] [2019-11-15 21:22:17,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:22:17,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:22:17,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:22:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2019-11-15 21:22:25,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452057610] [2019-11-15 21:22:25,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193625187] [2019-11-15 21:22:25,481 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:25,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 711 conjunts are in the unsatisfiable core [2019-11-15 21:22:25,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:22:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2019-11-15 21:22:31,128 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:22:31,128 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 68 [2019-11-15 21:22:31,129 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092964559] [2019-11-15 21:22:31,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2019-11-15 21:22:31,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:22:31,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2019-11-15 21:22:31,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2019-11-15 21:22:31,130 INFO L87 Difference]: Start difference. First operand 269 states and 368 transitions. Second operand 68 states. [2019-11-15 21:22:32,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:22:32,474 INFO L93 Difference]: Finished difference Result 290 states and 404 transitions. [2019-11-15 21:22:32,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-11-15 21:22:32,475 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 1208 [2019-11-15 21:22:32,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:22:32,478 INFO L225 Difference]: With dead ends: 290 [2019-11-15 21:22:32,479 INFO L226 Difference]: Without dead ends: 286 [2019-11-15 21:22:32,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1918 GetRequests, 1762 SyntacticMatches, 90 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2019-11-15 21:22:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-15 21:22:32,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 281. [2019-11-15 21:22:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-15 21:22:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 386 transitions. [2019-11-15 21:22:32,498 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 386 transitions. Word has length 1208 [2019-11-15 21:22:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:22:32,499 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 386 transitions. [2019-11-15 21:22:32,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 68 states. [2019-11-15 21:22:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 386 transitions. [2019-11-15 21:22:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1318 [2019-11-15 21:22:32,512 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:22:32,513 INFO L380 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 79, 77, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 31, 29, 19, 18, 1, 1, 1, 1, 1, 1] [2019-11-15 21:22:32,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:32,726 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:22:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:22:32,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1369829717, now seen corresponding path program 14 times [2019-11-15 21:22:32,727 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:22:32,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625528194] [2019-11-15 21:22:32,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:22:32,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:22:32,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:22:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:22:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 1360 proven. 5485 refuted. 0 times theorem prover too weak. 45050 trivial. 0 not checked. [2019-11-15 21:22:37,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625528194] [2019-11-15 21:22:37,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384854172] [2019-11-15 21:22:37,141 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:37,486 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 21:22:37,487 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:22:37,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 21:22:37,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:22:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 846 proven. 4457 refuted. 0 times theorem prover too weak. 46592 trivial. 0 not checked. [2019-11-15 21:22:38,315 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:22:38,316 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 16] total 35 [2019-11-15 21:22:38,316 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932570603] [2019-11-15 21:22:38,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-15 21:22:38,317 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:22:38,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-15 21:22:38,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1041, Unknown=0, NotChecked=0, Total=1190 [2019-11-15 21:22:38,318 INFO L87 Difference]: Start difference. First operand 281 states and 386 transitions. Second operand 35 states. [2019-11-15 21:22:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:22:39,154 INFO L93 Difference]: Finished difference Result 592 states and 833 transitions. [2019-11-15 21:22:39,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-15 21:22:39,156 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 1317 [2019-11-15 21:22:39,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:22:39,157 INFO L225 Difference]: With dead ends: 592 [2019-11-15 21:22:39,157 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:22:39,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1745 GetRequests, 1697 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=308, Invalid=2044, Unknown=0, NotChecked=0, Total=2352 [2019-11-15 21:22:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:22:39,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:22:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:22:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:22:39,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1317 [2019-11-15 21:22:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:22:39,161 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:22:39,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-15 21:22:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:22:39,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:22:39,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:22:39,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:22:42,305 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 7 [2019-11-15 21:22:42,874 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 1 [2019-11-15 21:22:43,430 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 1 [2019-11-15 21:22:44,635 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 345 DAG size of output: 45 [2019-11-15 21:22:45,538 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 7 [2019-11-15 21:22:46,743 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 364 DAG size of output: 41 [2019-11-15 21:22:46,744 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:22:46,744 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L439 ceAbstractionStarter]: At program point L41(lines 35 42) the Hoare annotation is: (<= 10 ULTIMATE.start_main_~x~0) [2019-11-15 21:22:46,745 INFO L443 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L439 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: (and (<= 10 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 10)) [2019-11-15 21:22:46,745 INFO L443 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L443 ceAbstractionStarter]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2019-11-15 21:22:46,745 INFO L446 ceAbstractionStarter]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2019-11-15 21:22:46,746 INFO L439 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (not (<= |fibo2_#in~n| 2))) [2019-11-15 21:22:46,746 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-15 21:22:46,746 INFO L439 ceAbstractionStarter]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (not (<= 6 |fibo2_#in~n|))) (.cse2 (and (<= |fibo2_#in~n| 4) (<= |fibo2_#t~ret2| 2) (<= 2 |fibo2_#t~ret2|))) (.cse1 (and (<= 6 fibo2_~n) (<= 5 |fibo2_#t~ret2|) (<= fibo2_~n 6) (<= |fibo2_#t~ret2| 5))) (.cse3 (and (<= |fibo2_#t~ret2| 13) (<= 13 |fibo2_#t~ret2|) (<= |fibo2_#in~n| 8)))) (and (or (not (<= |fibo2_#in~n| 7)) .cse0 .cse1) (or .cse2 (not (<= |fibo2_#in~n| 5))) (or (<= 9 fibo2_~n) .cse0 .cse1 .cse3) (= fibo2_~n |fibo2_#in~n|) (or (<= 10 |fibo2_#in~n|) .cse2 (and (<= 21 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 21)) .cse1 .cse3) (<= 4 fibo2_~n))) [2019-11-15 21:22:46,746 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2019-11-15 21:22:46,746 INFO L443 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2019-11-15 21:22:46,746 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2019-11-15 21:22:46,746 INFO L443 ceAbstractionStarter]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2019-11-15 21:22:46,746 INFO L443 ceAbstractionStarter]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2019-11-15 21:22:46,746 INFO L446 ceAbstractionStarter]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2019-11-15 21:22:46,747 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2019-11-15 21:22:46,747 INFO L443 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-11-15 21:22:46,747 INFO L439 ceAbstractionStarter]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (let ((.cse1 (and (<= 7 fibo1_~n) (<= 8 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 8) .cse0 (<= |fibo1_#in~n| 7)))) (and (or (and .cse0 (<= 8 fibo1_~n)) .cse1 (not (<= 6 |fibo1_#in~n|))) (or (not (<= 7 |fibo1_#in~n|)) .cse1 (not (<= |fibo1_#in~n| 8))) (or (<= |fibo1_#in~n| 9) (and (<= |fibo1_#t~ret0| 34) (<= 34 |fibo1_#t~ret0|)) (<= 11 |fibo1_#in~n|)) (or (not (<= |fibo1_#in~n| 6)) (and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3) (<= 5 fibo1_~n) .cse0))))) [2019-11-15 21:22:46,747 INFO L443 ceAbstractionStarter]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2019-11-15 21:22:46,747 INFO L443 ceAbstractionStarter]: For program point L10(lines 10 14) no Hoare annotation was computed. [2019-11-15 21:22:46,747 INFO L443 ceAbstractionStarter]: For program point L13-3(line 13) no Hoare annotation was computed. [2019-11-15 21:22:46,747 INFO L443 ceAbstractionStarter]: For program point L8(lines 8 14) no Hoare annotation was computed. [2019-11-15 21:22:46,747 INFO L443 ceAbstractionStarter]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2019-11-15 21:22:46,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:22:46 BoogieIcfgContainer [2019-11-15 21:22:46,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:22:46,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:22:46,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:22:46,761 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:22:46,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:20:53" (3/4) ... [2019-11-15 21:22:46,764 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:22:46,770 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2019-11-15 21:22:46,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2019-11-15 21:22:46,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-15 21:22:46,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 21:22:46,814 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_daf533b6-f846-42db-b37f-e1d292735cac/bin/uautomizer/witness.graphml [2019-11-15 21:22:46,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:22:46,815 INFO L168 Benchmark]: Toolchain (without parser) took 113680.06 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 950.1 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2019-11-15 21:22:46,816 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:22:46,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:22:46,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:22:46,816 INFO L168 Benchmark]: Boogie Preprocessor took 19.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:22:46,817 INFO L168 Benchmark]: RCFGBuilder took 337.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:22:46,817 INFO L168 Benchmark]: TraceAbstraction took 112962.93 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2019-11-15 21:22:46,818 INFO L168 Benchmark]: Witness Printer took 53.74 ms. Allocated memory is still 5.0 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:22:46,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 337.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 112962.93 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 53.74 ms. Allocated memory is still 5.0 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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: 35]: Loop Invariant Derived loop invariant: 10 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 112.8s, OverallIterations: 22, TraceHistogramMax: 138, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, HoareTripleCheckerStatistics: 842 SDtfs, 3005 SDslu, 12678 SDs, 0 SdLazy, 22513 SolverSat, 4020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19147 GetRequests, 18026 SyntacticMatches, 92 SemanticMatches, 1029 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22423 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 810 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 1928 PreInvPairs, 3551 NumberOfFragments, 234 HoareAnnotationTreeSize, 1928 FomulaSimplifications, 9385590 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 17422618 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 63.8s InterpolantComputationTime, 27437 NumberOfCodeBlocks, 24962 NumberOfCodeBlocksAsserted, 287 NumberOfCheckSat, 27395 ConstructedInterpolants, 0 QuantifiedInterpolants, 50760987 SizeOfPredicates, 146 NumberOfNonLiveVariables, 24691 ConjunctsInSsa, 1003 ConjunctsInUnsatCore, 42 InterpolantComputations, 2 PerfectInterpolantSequences, 855030/968396 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...