./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/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 0.1.25-f470102 [2019-12-07 12:55:03,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:55:03,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:55:03,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:55:03,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:55:03,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:55:03,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:55:03,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:55:03,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:55:03,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:55:03,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:55:03,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:55:03,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:55:03,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:55:03,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:55:03,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:55:03,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:55:03,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:55:03,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:55:03,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:55:03,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:55:03,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:55:03,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:55:03,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:55:03,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:55:03,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:55:03,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:55:03,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:55:03,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:55:03,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:55:03,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:55:03,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:55:03,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:55:03,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:55:03,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:55:03,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:55:03,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:55:03,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:55:03,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:55:03,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:55:03,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:55:03,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:55:03,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:55:03,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:55:03,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:55:03,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:55:03,389 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:55:03,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:55:03,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:55:03,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:55:03,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:55:03,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:55:03,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:55:03,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:55:03,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:55:03,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:55:03,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:55:03,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:55:03,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:55:03,392 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_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/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 [2019-12-07 12:55:03,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:55:03,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:55:03,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:55:03,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:55:03,515 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:55:03,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c [2019-12-07 12:55:03,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/data/724a27c7e/e80be7a7da554dc9ac2a70b4694977c3/FLAG804525fd2 [2019-12-07 12:55:03,989 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:55:03,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c [2019-12-07 12:55:03,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/data/724a27c7e/e80be7a7da554dc9ac2a70b4694977c3/FLAG804525fd2 [2019-12-07 12:55:04,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/data/724a27c7e/e80be7a7da554dc9ac2a70b4694977c3 [2019-12-07 12:55:04,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:55:04,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:55:04,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:55:04,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:55:04,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:55:04,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eacbe59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04, skipping insertion in model container [2019-12-07 12:55:04,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:55:04,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:55:04,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:55:04,489 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:55:04,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:55:04,540 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:55:04,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04 WrapperNode [2019-12-07 12:55:04,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:55:04,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:55:04,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:55:04,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:55:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:55:04,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:55:04,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:55:04,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:55:04,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... [2019-12-07 12:55:04,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:55:04,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:55:04,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:55:04,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:55:04,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:55:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:55:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:55:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2019-12-07 12:55:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2019-12-07 12:55:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2019-12-07 12:55:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2019-12-07 12:55:04,717 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:55:04,717 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 12:55:04,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:55:04 BoogieIcfgContainer [2019-12-07 12:55:04,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:55:04,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:55:04,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:55:04,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:55:04,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:55:04" (1/3) ... [2019-12-07 12:55:04,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35776b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:55:04, skipping insertion in model container [2019-12-07 12:55:04,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:04" (2/3) ... [2019-12-07 12:55:04,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35776b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:55:04, skipping insertion in model container [2019-12-07 12:55:04,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:55:04" (3/3) ... [2019-12-07 12:55:04,723 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2019-12-07 12:55:04,730 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:55:04,734 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:55:04,741 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:55:04,756 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:55:04,756 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:55:04,756 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:55:04,756 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:55:04,756 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:55:04,756 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:55:04,756 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:55:04,756 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:55:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-12-07 12:55:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 12:55:04,771 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:04,771 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:04,772 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:04,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:04,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1871295635, now seen corresponding path program 1 times [2019-12-07 12:55:04,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:04,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419618653] [2019-12-07 12:55:04,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:55:04,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419618653] [2019-12-07 12:55:04,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:55:04,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:55:04,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488408336] [2019-12-07 12:55:04,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:55:04,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:04,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:55:04,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:55:04,912 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-12-07 12:55:04,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:04,969 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-12-07 12:55:04,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:55:04,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-12-07 12:55:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:04,977 INFO L225 Difference]: With dead ends: 38 [2019-12-07 12:55:04,977 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 12:55:04,979 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:55:04,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 12:55:05,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 12:55:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 12:55:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-12-07 12:55:05,007 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 9 [2019-12-07 12:55:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:05,008 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-12-07 12:55:05,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:55:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-12-07 12:55:05,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:55:05,009 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:05,009 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:05,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:05,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:05,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1404217650, now seen corresponding path program 1 times [2019-12-07 12:55:05,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:05,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220147713] [2019-12-07 12:55:05,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:55:05,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220147713] [2019-12-07 12:55:05,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:55:05,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:55:05,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409105936] [2019-12-07 12:55:05,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:55:05,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:05,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:55:05,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:55:05,041 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 5 states. [2019-12-07 12:55:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:05,082 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2019-12-07 12:55:05,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:55:05,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-07 12:55:05,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:05,084 INFO L225 Difference]: With dead ends: 32 [2019-12-07 12:55:05,084 INFO L226 Difference]: Without dead ends: 28 [2019-12-07 12:55:05,085 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:55:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-07 12:55:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-12-07 12:55:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 12:55:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-12-07 12:55:05,092 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 10 [2019-12-07 12:55:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:05,092 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-12-07 12:55:05,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:55:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-12-07 12:55:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:55:05,093 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:05,094 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:05,094 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1629927371, now seen corresponding path program 1 times [2019-12-07 12:55:05,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:05,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043601780] [2019-12-07 12:55:05,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 12:55:05,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043601780] [2019-12-07 12:55:05,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731269179] [2019-12-07 12:55:05,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,199 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:55:05,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 12:55:05,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:05,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-12-07 12:55:05,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584004855] [2019-12-07 12:55:05,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 12:55:05,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:05,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 12:55:05,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:55:05,246 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 10 states. [2019-12-07 12:55:05,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:05,331 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2019-12-07 12:55:05,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:55:05,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-12-07 12:55:05,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:05,333 INFO L225 Difference]: With dead ends: 59 [2019-12-07 12:55:05,333 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 12:55:05,334 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:55:05,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 12:55:05,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-12-07 12:55:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 12:55:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2019-12-07 12:55:05,341 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 22 [2019-12-07 12:55:05,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:05,342 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2019-12-07 12:55:05,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 12:55:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2019-12-07 12:55:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 12:55:05,344 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:05,344 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:05,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:05,545 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:05,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:05,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1285987244, now seen corresponding path program 1 times [2019-12-07 12:55:05,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:05,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969548054] [2019-12-07 12:55:05,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 12:55:05,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969548054] [2019-12-07 12:55:05,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419965385] [2019-12-07 12:55:05,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:05,670 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:55:05,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 12:55:05,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:05,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-12-07 12:55:05,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192059894] [2019-12-07 12:55:05,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 12:55:05,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:05,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 12:55:05,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:55:05,693 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand 10 states. [2019-12-07 12:55:05,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:05,805 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2019-12-07 12:55:05,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:55:05,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-12-07 12:55:05,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:05,809 INFO L225 Difference]: With dead ends: 55 [2019-12-07 12:55:05,809 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 12:55:05,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:55:05,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 12:55:05,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2019-12-07 12:55:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-12-07 12:55:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2019-12-07 12:55:05,820 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 23 [2019-12-07 12:55:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:05,821 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2019-12-07 12:55:05,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 12:55:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2019-12-07 12:55:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 12:55:05,823 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:05,823 INFO L410 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] [2019-12-07 12:55:06,024 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:06,025 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:06,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:06,026 INFO L82 PathProgramCache]: Analyzing trace with hash -649262923, now seen corresponding path program 1 times [2019-12-07 12:55:06,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:06,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352826539] [2019-12-07 12:55:06,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:55:06,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352826539] [2019-12-07 12:55:06,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661109080] [2019-12-07 12:55:06,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,155 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:55:06,156 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 12:55:06,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:06,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2019-12-07 12:55:06,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831529147] [2019-12-07 12:55:06,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 12:55:06,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:06,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 12:55:06,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 12:55:06,194 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand 12 states. [2019-12-07 12:55:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:06,376 INFO L93 Difference]: Finished difference Result 114 states and 187 transitions. [2019-12-07 12:55:06,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 12:55:06,376 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-12-07 12:55:06,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:06,378 INFO L225 Difference]: With dead ends: 114 [2019-12-07 12:55:06,378 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 12:55:06,380 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2019-12-07 12:55:06,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 12:55:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-12-07 12:55:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 12:55:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 98 transitions. [2019-12-07 12:55:06,390 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 98 transitions. Word has length 35 [2019-12-07 12:55:06,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:06,390 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 98 transitions. [2019-12-07 12:55:06,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 12:55:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2019-12-07 12:55:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:55:06,392 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:06,392 INFO L410 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] [2019-12-07 12:55:06,592 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:06,593 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:06,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:06,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2000747716, now seen corresponding path program 1 times [2019-12-07 12:55:06,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:06,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027413316] [2019-12-07 12:55:06,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 12:55:06,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027413316] [2019-12-07 12:55:06,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947251765] [2019-12-07 12:55:06,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:06,702 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:55:06,704 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:55:06,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:06,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2019-12-07 12:55:06,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978566382] [2019-12-07 12:55:06,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 12:55:06,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:06,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 12:55:06,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-12-07 12:55:06,744 INFO L87 Difference]: Start difference. First operand 66 states and 98 transitions. Second operand 12 states. [2019-12-07 12:55:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:06,888 INFO L93 Difference]: Finished difference Result 147 states and 239 transitions. [2019-12-07 12:55:06,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 12:55:06,888 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2019-12-07 12:55:06,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:06,889 INFO L225 Difference]: With dead ends: 147 [2019-12-07 12:55:06,889 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 12:55:06,891 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2019-12-07 12:55:06,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 12:55:06,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 66. [2019-12-07 12:55:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 12:55:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 96 transitions. [2019-12-07 12:55:06,899 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 96 transitions. Word has length 36 [2019-12-07 12:55:06,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:06,899 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 96 transitions. [2019-12-07 12:55:06,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 12:55:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2019-12-07 12:55:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 12:55:06,901 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:06,901 INFO L410 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] [2019-12-07 12:55:07,102 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:07,103 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:07,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:07,104 INFO L82 PathProgramCache]: Analyzing trace with hash -434541687, now seen corresponding path program 1 times [2019-12-07 12:55:07,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:07,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864193040] [2019-12-07 12:55:07,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-07 12:55:07,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864193040] [2019-12-07 12:55:07,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383854778] [2019-12-07 12:55:07,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,262 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 12:55:07,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-07 12:55:07,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:07,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2019-12-07 12:55:07,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606752106] [2019-12-07 12:55:07,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 12:55:07,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:07,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 12:55:07,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2019-12-07 12:55:07,306 INFO L87 Difference]: Start difference. First operand 66 states and 96 transitions. Second operand 16 states. [2019-12-07 12:55:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:07,593 INFO L93 Difference]: Finished difference Result 164 states and 279 transitions. [2019-12-07 12:55:07,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 12:55:07,593 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 50 [2019-12-07 12:55:07,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:07,595 INFO L225 Difference]: With dead ends: 164 [2019-12-07 12:55:07,595 INFO L226 Difference]: Without dead ends: 100 [2019-12-07 12:55:07,596 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2019-12-07 12:55:07,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-12-07 12:55:07,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2019-12-07 12:55:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-12-07 12:55:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 145 transitions. [2019-12-07 12:55:07,611 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 145 transitions. Word has length 50 [2019-12-07 12:55:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:07,611 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 145 transitions. [2019-12-07 12:55:07,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 12:55:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2019-12-07 12:55:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-07 12:55:07,615 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:07,615 INFO L410 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] [2019-12-07 12:55:07,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:07,817 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:07,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:07,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1917551255, now seen corresponding path program 1 times [2019-12-07 12:55:07,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:07,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723325811] [2019-12-07 12:55:07,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 33 proven. 58 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-07 12:55:08,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723325811] [2019-12-07 12:55:08,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724183793] [2019-12-07 12:55:08,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,050 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 12:55:08,053 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 13 proven. 90 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 12:55:08,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:08,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 18 [2019-12-07 12:55:08,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852377152] [2019-12-07 12:55:08,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 12:55:08,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:08,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 12:55:08,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2019-12-07 12:55:08,123 INFO L87 Difference]: Start difference. First operand 89 states and 145 transitions. Second operand 18 states. [2019-12-07 12:55:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:08,453 INFO L93 Difference]: Finished difference Result 207 states and 388 transitions. [2019-12-07 12:55:08,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-12-07 12:55:08,453 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 91 [2019-12-07 12:55:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:08,455 INFO L225 Difference]: With dead ends: 207 [2019-12-07 12:55:08,455 INFO L226 Difference]: Without dead ends: 114 [2019-12-07 12:55:08,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2019-12-07 12:55:08,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-12-07 12:55:08,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 88. [2019-12-07 12:55:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-12-07 12:55:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 135 transitions. [2019-12-07 12:55:08,469 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 135 transitions. Word has length 91 [2019-12-07 12:55:08,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:08,470 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 135 transitions. [2019-12-07 12:55:08,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 12:55:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2019-12-07 12:55:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-07 12:55:08,472 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:08,472 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:08,672 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:08,673 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:08,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:08,674 INFO L82 PathProgramCache]: Analyzing trace with hash -463941571, now seen corresponding path program 1 times [2019-12-07 12:55:08,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:08,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208173611] [2019-12-07 12:55:08,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 53 proven. 117 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-12-07 12:55:08,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208173611] [2019-12-07 12:55:08,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68340884] [2019-12-07 12:55:08,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,022 INFO L264 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 12:55:09,026 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 24 proven. 155 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2019-12-07 12:55:09,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:09,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 21 [2019-12-07 12:55:09,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968193089] [2019-12-07 12:55:09,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-12-07 12:55:09,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:09,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-12-07 12:55:09,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2019-12-07 12:55:09,108 INFO L87 Difference]: Start difference. First operand 88 states and 135 transitions. Second operand 21 states. [2019-12-07 12:55:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:09,560 INFO L93 Difference]: Finished difference Result 244 states and 473 transitions. [2019-12-07 12:55:09,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-12-07 12:55:09,561 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 119 [2019-12-07 12:55:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:09,562 INFO L225 Difference]: With dead ends: 244 [2019-12-07 12:55:09,562 INFO L226 Difference]: Without dead ends: 152 [2019-12-07 12:55:09,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=232, Invalid=1100, Unknown=0, NotChecked=0, Total=1332 [2019-12-07 12:55:09,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-12-07 12:55:09,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 134. [2019-12-07 12:55:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-12-07 12:55:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 224 transitions. [2019-12-07 12:55:09,575 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 224 transitions. Word has length 119 [2019-12-07 12:55:09,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:09,576 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 224 transitions. [2019-12-07 12:55:09,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-12-07 12:55:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2019-12-07 12:55:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-12-07 12:55:09,578 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:09,578 INFO L410 BasicCegarLoop]: trace histogram [17, 17, 14, 12, 12, 11, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:09,778 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:09,779 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:09,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:09,779 INFO L82 PathProgramCache]: Analyzing trace with hash -2102470684, now seen corresponding path program 2 times [2019-12-07 12:55:09,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:09,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366865923] [2019-12-07 12:55:09,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 184 proven. 376 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2019-12-07 12:55:10,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366865923] [2019-12-07 12:55:10,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710916174] [2019-12-07 12:55:10,235 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:10,286 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 12:55:10,286 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:10,287 INFO L264 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 12:55:10,293 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 62 proven. 371 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2019-12-07 12:55:10,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:10,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12] total 31 [2019-12-07 12:55:10,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121602180] [2019-12-07 12:55:10,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-12-07 12:55:10,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:10,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-12-07 12:55:10,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2019-12-07 12:55:10,427 INFO L87 Difference]: Start difference. First operand 134 states and 224 transitions. Second operand 31 states. [2019-12-07 12:55:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:11,185 INFO L93 Difference]: Finished difference Result 315 states and 634 transitions. [2019-12-07 12:55:11,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-12-07 12:55:11,185 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 202 [2019-12-07 12:55:11,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:11,188 INFO L225 Difference]: With dead ends: 315 [2019-12-07 12:55:11,188 INFO L226 Difference]: Without dead ends: 179 [2019-12-07 12:55:11,191 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=437, Invalid=2869, Unknown=0, NotChecked=0, Total=3306 [2019-12-07 12:55:11,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-12-07 12:55:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 163. [2019-12-07 12:55:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-12-07 12:55:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 245 transitions. [2019-12-07 12:55:11,205 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 245 transitions. Word has length 202 [2019-12-07 12:55:11,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:11,205 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 245 transitions. [2019-12-07 12:55:11,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-12-07 12:55:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 245 transitions. [2019-12-07 12:55:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2019-12-07 12:55:11,216 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:11,217 INFO L410 BasicCegarLoop]: trace histogram [42, 42, 37, 37, 34, 33, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 16, 12, 8, 4, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:11,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:11,417 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 161001291, now seen corresponding path program 3 times [2019-12-07 12:55:11,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:11,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135524677] [2019-12-07 12:55:11,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8649 backedges. 2059 proven. 2388 refuted. 0 times theorem prover too weak. 4202 trivial. 0 not checked. [2019-12-07 12:55:12,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135524677] [2019-12-07 12:55:12,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103088633] [2019-12-07 12:55:12,847 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:12,895 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-12-07 12:55:12,895 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:12,896 INFO L264 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:55:12,903 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8649 backedges. 1760 proven. 4 refuted. 0 times theorem prover too weak. 6885 trivial. 0 not checked. [2019-12-07 12:55:13,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:13,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 7] total 30 [2019-12-07 12:55:13,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797932805] [2019-12-07 12:55:13,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-12-07 12:55:13,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:13,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-12-07 12:55:13,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2019-12-07 12:55:13,070 INFO L87 Difference]: Start difference. First operand 163 states and 245 transitions. Second operand 30 states. [2019-12-07 12:55:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:13,391 INFO L93 Difference]: Finished difference Result 331 states and 533 transitions. [2019-12-07 12:55:13,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-12-07 12:55:13,392 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 544 [2019-12-07 12:55:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:13,394 INFO L225 Difference]: With dead ends: 331 [2019-12-07 12:55:13,394 INFO L226 Difference]: Without dead ends: 177 [2019-12-07 12:55:13,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 780 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=1286, Unknown=0, NotChecked=0, Total=1482 [2019-12-07 12:55:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-12-07 12:55:13,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 166. [2019-12-07 12:55:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-12-07 12:55:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 243 transitions. [2019-12-07 12:55:13,408 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 243 transitions. Word has length 544 [2019-12-07 12:55:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:13,409 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 243 transitions. [2019-12-07 12:55:13,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-12-07 12:55:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 243 transitions. [2019-12-07 12:55:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2019-12-07 12:55:13,425 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:13,425 INFO L410 BasicCegarLoop]: trace histogram [49, 49, 44, 44, 38, 37, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 16, 13, 11, 7, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:13,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:13,627 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:13,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:13,628 INFO L82 PathProgramCache]: Analyzing trace with hash 411701354, now seen corresponding path program 4 times [2019-12-07 12:55:13,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:13,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521029982] [2019-12-07 12:55:13,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 11885 backedges. 1825 proven. 3039 refuted. 0 times theorem prover too weak. 7021 trivial. 0 not checked. [2019-12-07 12:55:15,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521029982] [2019-12-07 12:55:15,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473782541] [2019-12-07 12:55:15,407 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:15,502 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 12:55:15,502 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:15,504 INFO L264 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 12:55:15,511 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 11885 backedges. 196 proven. 1683 refuted. 0 times theorem prover too weak. 10006 trivial. 0 not checked. [2019-12-07 12:55:15,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:15,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 13] total 35 [2019-12-07 12:55:15,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894725111] [2019-12-07 12:55:15,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-12-07 12:55:15,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:15,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-12-07 12:55:15,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1041, Unknown=0, NotChecked=0, Total=1190 [2019-12-07 12:55:15,765 INFO L87 Difference]: Start difference. First operand 166 states and 243 transitions. Second operand 35 states. [2019-12-07 12:55:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:16,724 INFO L93 Difference]: Finished difference Result 434 states and 761 transitions. [2019-12-07 12:55:16,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-12-07 12:55:16,724 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 636 [2019-12-07 12:55:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:16,727 INFO L225 Difference]: With dead ends: 434 [2019-12-07 12:55:16,727 INFO L226 Difference]: Without dead ends: 256 [2019-12-07 12:55:16,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 839 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 973 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=447, Invalid=3093, Unknown=0, NotChecked=0, Total=3540 [2019-12-07 12:55:16,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-12-07 12:55:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 202. [2019-12-07 12:55:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 12:55:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 307 transitions. [2019-12-07 12:55:16,742 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 307 transitions. Word has length 636 [2019-12-07 12:55:16,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:16,742 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 307 transitions. [2019-12-07 12:55:16,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-12-07 12:55:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 307 transitions. [2019-12-07 12:55:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2019-12-07 12:55:16,751 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:16,751 INFO L410 BasicCegarLoop]: trace histogram [66, 66, 61, 61, 54, 49, 33, 33, 33, 33, 33, 33, 33, 30, 30, 30, 30, 30, 30, 30, 24, 16, 12, 12, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:16,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:16,952 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:16,952 INFO L82 PathProgramCache]: Analyzing trace with hash -316421493, now seen corresponding path program 5 times [2019-12-07 12:55:16,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:16,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958336729] [2019-12-07 12:55:16,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 22359 backedges. 3807 proven. 5204 refuted. 0 times theorem prover too weak. 13348 trivial. 0 not checked. [2019-12-07 12:55:19,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958336729] [2019-12-07 12:55:19,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718669739] [2019-12-07 12:55:19,409 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:19,505 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2019-12-07 12:55:19,505 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:19,507 INFO L264 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 12:55:19,516 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22359 backedges. 11698 proven. 135 refuted. 0 times theorem prover too weak. 10526 trivial. 0 not checked. [2019-12-07 12:55:19,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:19,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13] total 37 [2019-12-07 12:55:19,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785588142] [2019-12-07 12:55:19,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-12-07 12:55:19,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:19,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-12-07 12:55:19,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1162, Unknown=0, NotChecked=0, Total=1332 [2019-12-07 12:55:19,952 INFO L87 Difference]: Start difference. First operand 202 states and 307 transitions. Second operand 37 states. [2019-12-07 12:55:20,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:20,442 INFO L93 Difference]: Finished difference Result 396 states and 666 transitions. [2019-12-07 12:55:20,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-12-07 12:55:20,442 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 868 [2019-12-07 12:55:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:20,444 INFO L225 Difference]: With dead ends: 396 [2019-12-07 12:55:20,444 INFO L226 Difference]: Without dead ends: 204 [2019-12-07 12:55:20,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1159 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=266, Invalid=1804, Unknown=0, NotChecked=0, Total=2070 [2019-12-07 12:55:20,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-12-07 12:55:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 194. [2019-12-07 12:55:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 12:55:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 287 transitions. [2019-12-07 12:55:20,455 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 287 transitions. Word has length 868 [2019-12-07 12:55:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:20,456 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 287 transitions. [2019-12-07 12:55:20,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-12-07 12:55:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 287 transitions. [2019-12-07 12:55:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2019-12-07 12:55:20,460 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:20,460 INFO L410 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 43, 43, 27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 17, 16, 11, 10, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:20,660 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:20,661 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:20,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:20,662 INFO L82 PathProgramCache]: Analyzing trace with hash 555019874, now seen corresponding path program 6 times [2019-12-07 12:55:20,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:20,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934810115] [2019-12-07 12:55:20,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 15746 backedges. 3264 proven. 3618 refuted. 0 times theorem prover too weak. 8864 trivial. 0 not checked. [2019-12-07 12:55:22,749 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934810115] [2019-12-07 12:55:22,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609502970] [2019-12-07 12:55:22,750 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:22,851 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2019-12-07 12:55:22,852 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:22,853 INFO L264 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 12:55:22,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15746 backedges. 511 proven. 1140 refuted. 0 times theorem prover too weak. 14095 trivial. 0 not checked. [2019-12-07 12:55:23,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:23,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 11] total 53 [2019-12-07 12:55:23,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930914684] [2019-12-07 12:55:23,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2019-12-07 12:55:23,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:23,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2019-12-07 12:55:23,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=2426, Unknown=0, NotChecked=0, Total=2756 [2019-12-07 12:55:23,155 INFO L87 Difference]: Start difference. First operand 194 states and 287 transitions. Second operand 53 states. [2019-12-07 12:55:24,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:24,803 INFO L93 Difference]: Finished difference Result 489 states and 819 transitions. [2019-12-07 12:55:24,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-12-07 12:55:24,803 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 731 [2019-12-07 12:55:24,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:24,806 INFO L225 Difference]: With dead ends: 489 [2019-12-07 12:55:24,806 INFO L226 Difference]: Without dead ends: 292 [2019-12-07 12:55:24,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 959 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3453 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1017, Invalid=8489, Unknown=0, NotChecked=0, Total=9506 [2019-12-07 12:55:24,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-12-07 12:55:24,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 229. [2019-12-07 12:55:24,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-12-07 12:55:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 341 transitions. [2019-12-07 12:55:24,822 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 341 transitions. Word has length 731 [2019-12-07 12:55:24,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:24,822 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 341 transitions. [2019-12-07 12:55:24,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 53 states. [2019-12-07 12:55:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 341 transitions. [2019-12-07 12:55:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2019-12-07 12:55:24,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:24,832 INFO L410 BasicCegarLoop]: trace histogram [96, 96, 87, 87, 74, 74, 48, 48, 48, 48, 48, 48, 48, 43, 43, 43, 43, 43, 43, 43, 31, 26, 22, 13, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:25,032 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:25,033 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:25,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:25,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1386288056, now seen corresponding path program 7 times [2019-12-07 12:55:25,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:25,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740638208] [2019-12-07 12:55:25,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 46730 backedges. 7545 proven. 10411 refuted. 0 times theorem prover too weak. 28774 trivial. 0 not checked. [2019-12-07 12:55:29,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740638208] [2019-12-07 12:55:29,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272728750] [2019-12-07 12:55:29,577 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:29,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-07 12:55:29,781 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 46730 backedges. 509 proven. 3846 refuted. 0 times theorem prover too weak. 42375 trivial. 0 not checked. [2019-12-07 12:55:30,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:30,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 14] total 41 [2019-12-07 12:55:30,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397976572] [2019-12-07 12:55:30,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-12-07 12:55:30,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:30,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-12-07 12:55:30,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2019-12-07 12:55:30,492 INFO L87 Difference]: Start difference. First operand 229 states and 341 transitions. Second operand 41 states. [2019-12-07 12:55:31,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:31,364 INFO L93 Difference]: Finished difference Result 562 states and 961 transitions. [2019-12-07 12:55:31,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-12-07 12:55:31,365 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 1249 [2019-12-07 12:55:31,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:31,368 INFO L225 Difference]: With dead ends: 562 [2019-12-07 12:55:31,368 INFO L226 Difference]: Without dead ends: 338 [2019-12-07 12:55:31,371 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1738 GetRequests, 1673 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=575, Invalid=3847, Unknown=0, NotChecked=0, Total=4422 [2019-12-07 12:55:31,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-12-07 12:55:31,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 299. [2019-12-07 12:55:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-12-07 12:55:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 468 transitions. [2019-12-07 12:55:31,385 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 468 transitions. Word has length 1249 [2019-12-07 12:55:31,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:31,386 INFO L462 AbstractCegarLoop]: Abstraction has 299 states and 468 transitions. [2019-12-07 12:55:31,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-12-07 12:55:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 468 transitions. [2019-12-07 12:55:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2019-12-07 12:55:31,405 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:31,406 INFO L410 BasicCegarLoop]: trace histogram [113, 113, 112, 112, 91, 91, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 35, 35, 22, 21, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:31,606 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:31,607 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:31,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:31,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1187499861, now seen corresponding path program 8 times [2019-12-07 12:55:31,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:31,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135596661] [2019-12-07 12:55:31,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 70686 backedges. 8969 proven. 9506 refuted. 0 times theorem prover too weak. 52211 trivial. 0 not checked. [2019-12-07 12:55:38,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135596661] [2019-12-07 12:55:38,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588754119] [2019-12-07 12:55:38,023 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:38,264 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 12:55:38,264 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:38,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 3410 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 12:55:38,281 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 70686 backedges. 1103 proven. 3716 refuted. 0 times theorem prover too weak. 65867 trivial. 0 not checked. [2019-12-07 12:55:39,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:39,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 13] total 54 [2019-12-07 12:55:39,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810046413] [2019-12-07 12:55:39,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2019-12-07 12:55:39,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:39,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2019-12-07 12:55:39,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=2538, Unknown=0, NotChecked=0, Total=2862 [2019-12-07 12:55:39,328 INFO L87 Difference]: Start difference. First operand 299 states and 468 transitions. Second operand 54 states. [2019-12-07 12:55:40,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:40,859 INFO L93 Difference]: Finished difference Result 679 states and 1168 transitions. [2019-12-07 12:55:40,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-12-07 12:55:40,859 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 1535 [2019-12-07 12:55:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:40,863 INFO L225 Difference]: With dead ends: 679 [2019-12-07 12:55:40,863 INFO L226 Difference]: Without dead ends: 401 [2019-12-07 12:55:40,866 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2094 GetRequests, 2002 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3188 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=936, Invalid=7806, Unknown=0, NotChecked=0, Total=8742 [2019-12-07 12:55:40,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-12-07 12:55:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 319. [2019-12-07 12:55:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-12-07 12:55:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 481 transitions. [2019-12-07 12:55:40,891 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 481 transitions. Word has length 1535 [2019-12-07 12:55:40,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:40,892 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 481 transitions. [2019-12-07 12:55:40,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 54 states. [2019-12-07 12:55:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 481 transitions. [2019-12-07 12:55:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1386 [2019-12-07 12:55:40,908 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:40,908 INFO L410 BasicCegarLoop]: trace histogram [102, 102, 101, 101, 82, 82, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 32, 31, 20, 19, 1, 1, 1, 1, 1, 1] [2019-12-07 12:55:41,109 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:41,109 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:41,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1871912262, now seen corresponding path program 9 times [2019-12-07 12:55:41,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:41,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831001662] [2019-12-07 12:55:41,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 57446 backedges. 2122 proven. 6522 refuted. 0 times theorem prover too weak. 48802 trivial. 0 not checked. [2019-12-07 12:55:45,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831001662] [2019-12-07 12:55:45,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967649719] [2019-12-07 12:55:45,820 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/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 [2019-12-07 12:55:46,185 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2019-12-07 12:55:46,185 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:46,189 INFO L264 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 12:55:46,198 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 57446 backedges. 2127 proven. 1652 refuted. 0 times theorem prover too weak. 53667 trivial. 0 not checked. [2019-12-07 12:55:47,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:47,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 12] total 43 [2019-12-07 12:55:47,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95685009] [2019-12-07 12:55:47,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-12-07 12:55:47,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:47,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-12-07 12:55:47,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1583, Unknown=0, NotChecked=0, Total=1806 [2019-12-07 12:55:47,085 INFO L87 Difference]: Start difference. First operand 319 states and 481 transitions. Second operand 43 states. [2019-12-07 12:55:48,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:48,361 INFO L93 Difference]: Finished difference Result 770 states and 1351 transitions. [2019-12-07 12:55:48,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2019-12-07 12:55:48,362 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 1385 [2019-12-07 12:55:48,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:48,365 INFO L225 Difference]: With dead ends: 770 [2019-12-07 12:55:48,365 INFO L226 Difference]: Without dead ends: 368 [2019-12-07 12:55:48,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1861 GetRequests, 1784 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2065 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=719, Invalid=5443, Unknown=0, NotChecked=0, Total=6162 [2019-12-07 12:55:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-12-07 12:55:48,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 308. [2019-12-07 12:55:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-12-07 12:55:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 407 transitions. [2019-12-07 12:55:48,383 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 407 transitions. Word has length 1385 [2019-12-07 12:55:48,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:48,383 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 407 transitions. [2019-12-07 12:55:48,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-12-07 12:55:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 407 transitions. [2019-12-07 12:55:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2019-12-07 12:55:48,396 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:48,397 INFO L410 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] [2019-12-07 12:55:48,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:48,597 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:48,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:48,599 INFO L82 PathProgramCache]: Analyzing trace with hash -518916371, now seen corresponding path program 10 times [2019-12-07 12:55:48,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:48,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849635087] [2019-12-07 12:55:48,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 3330 proven. 6804 refuted. 0 times theorem prover too weak. 56798 trivial. 0 not checked. [2019-12-07 12:55:53,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849635087] [2019-12-07 12:55:53,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291858888] [2019-12-07 12:55:53,891 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/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 [2019-12-07 12:55:54,079 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 12:55:54,079 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:55:54,083 INFO L264 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-07 12:55:54,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:55:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 3248 proven. 2228 refuted. 0 times theorem prover too weak. 61456 trivial. 0 not checked. [2019-12-07 12:55:55,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:55:55,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 15] total 44 [2019-12-07 12:55:55,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426478333] [2019-12-07 12:55:55,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-12-07 12:55:55,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:55:55,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-12-07 12:55:55,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1661, Unknown=0, NotChecked=0, Total=1892 [2019-12-07 12:55:55,083 INFO L87 Difference]: Start difference. First operand 308 states and 407 transitions. Second operand 44 states. [2019-12-07 12:55:55,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:55:55,921 INFO L93 Difference]: Finished difference Result 648 states and 880 transitions. [2019-12-07 12:55:55,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-12-07 12:55:55,921 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 1494 [2019-12-07 12:55:55,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:55:55,926 INFO L225 Difference]: With dead ends: 648 [2019-12-07 12:55:55,926 INFO L226 Difference]: Without dead ends: 366 [2019-12-07 12:55:55,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2001 GetRequests, 1926 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1986 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=687, Invalid=5013, Unknown=0, NotChecked=0, Total=5700 [2019-12-07 12:55:55,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-12-07 12:55:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 333. [2019-12-07 12:55:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2019-12-07 12:55:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 428 transitions. [2019-12-07 12:55:55,947 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 428 transitions. Word has length 1494 [2019-12-07 12:55:55,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:55:55,948 INFO L462 AbstractCegarLoop]: Abstraction has 333 states and 428 transitions. [2019-12-07 12:55:55,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-12-07 12:55:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 428 transitions. [2019-12-07 12:55:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2019-12-07 12:55:55,960 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:55,961 INFO L410 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] [2019-12-07 12:55:56,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:55:56,162 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:56,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:56,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1008927292, now seen corresponding path program 11 times [2019-12-07 12:55:56,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:55:56,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526082940] [2019-12-07 12:55:56,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:55:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:55:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2019-12-07 12:56:02,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526082940] [2019-12-07 12:56:02,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426824098] [2019-12-07 12:56:02,930 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/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 [2019-12-07 12:56:03,345 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 77 check-sat command(s) [2019-12-07 12:56:03,345 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:56:03,355 INFO L264 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 711 conjunts are in the unsatisfiable core [2019-12-07 12:56:03,368 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:56:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2019-12-07 12:56:07,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:56:07,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 68 [2019-12-07 12:56:07,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548797867] [2019-12-07 12:56:07,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2019-12-07 12:56:07,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:07,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2019-12-07 12:56:07,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2019-12-07 12:56:07,458 INFO L87 Difference]: Start difference. First operand 333 states and 428 transitions. Second operand 68 states. [2019-12-07 12:56:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:08,397 INFO L93 Difference]: Finished difference Result 340 states and 434 transitions. [2019-12-07 12:56:08,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-12-07 12:56:08,397 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 1208 [2019-12-07 12:56:08,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:08,399 INFO L225 Difference]: With dead ends: 340 [2019-12-07 12:56:08,399 INFO L226 Difference]: Without dead ends: 297 [2019-12-07 12:56:08,400 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1918 GetRequests, 1762 SyntacticMatches, 90 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2019-12-07 12:56:08,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2019-12-07 12:56:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2019-12-07 12:56:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-12-07 12:56:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 376 transitions. [2019-12-07 12:56:08,416 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 376 transitions. Word has length 1208 [2019-12-07 12:56:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:08,417 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 376 transitions. [2019-12-07 12:56:08,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 68 states. [2019-12-07 12:56:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 376 transitions. [2019-12-07 12:56:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1318 [2019-12-07 12:56:08,431 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:08,431 INFO L410 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] [2019-12-07 12:56:08,632 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:56:08,632 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:08,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:08,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1369829717, now seen corresponding path program 12 times [2019-12-07 12:56:08,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:08,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329231471] [2019-12-07 12:56:08,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 1360 proven. 5485 refuted. 0 times theorem prover too weak. 45050 trivial. 0 not checked. [2019-12-07 12:56:12,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329231471] [2019-12-07 12:56:12,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777799434] [2019-12-07 12:56:12,675 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/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 [2019-12-07 12:56:12,852 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2019-12-07 12:56:12,852 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:56:12,854 INFO L264 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-07 12:56:12,862 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:56:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 1063 proven. 3563 refuted. 0 times theorem prover too weak. 47269 trivial. 0 not checked. [2019-12-07 12:56:13,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:56:13,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14] total 38 [2019-12-07 12:56:13,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983833721] [2019-12-07 12:56:13,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-12-07 12:56:13,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:13,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-12-07 12:56:13,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1226, Unknown=0, NotChecked=0, Total=1406 [2019-12-07 12:56:13,680 INFO L87 Difference]: Start difference. First operand 297 states and 376 transitions. Second operand 38 states. [2019-12-07 12:56:14,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:14,395 INFO L93 Difference]: Finished difference Result 542 states and 669 transitions. [2019-12-07 12:56:14,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-12-07 12:56:14,395 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 1317 [2019-12-07 12:56:14,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:14,396 INFO L225 Difference]: With dead ends: 542 [2019-12-07 12:56:14,396 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:56:14,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1753 GetRequests, 1695 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=3096, Unknown=0, NotChecked=0, Total=3540 [2019-12-07 12:56:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:56:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:56:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:56:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:56:14,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1317 [2019-12-07 12:56:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:14,399 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:56:14,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-12-07 12:56:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:56:14,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:56:14,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:56:14,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:56:16,484 WARN L192 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 7 [2019-12-07 12:56:16,688 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2019-12-07 12:56:17,036 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 1 [2019-12-07 12:56:18,292 WARN L192 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 306 DAG size of output: 45 [2019-12-07 12:56:18,644 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 7 [2019-12-07 12:56:19,418 WARN L192 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 43 [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L242 CegarLoopResult]: At program point L41(lines 35 42) the Hoare annotation is: (<= 10 ULTIMATE.start_main_~x~0) [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L242 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= 10 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 10)) [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2019-12-07 12:56:19,421 INFO L249 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2019-12-07 12:56:19,421 INFO L242 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (not (<= |fibo2_#in~n| 2))) [2019-12-07 12:56:19,421 INFO L246 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L242 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (<= |fibo2_#in~n| 8))) (and (or (not (<= 5 |fibo2_#in~n|)) (<= 6 fibo2_~n) (and (<= 3 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 3))) (or (and (<= fibo2_~n 6) (<= |fibo2_#t~ret2| 5) (<= 5 |fibo2_#t~ret2|)) (not .cse0) (and (<= |fibo2_#t~ret2| 13) (<= 13 |fibo2_#t~ret2|) (<= 8 fibo2_~n)) (not (<= 6 |fibo2_#in~n|))) (or (<= 5 fibo2_~n) (and (<= |fibo2_#t~ret2| 2) (<= 2 |fibo2_#t~ret2|))) (not (<= |fibo2_#in~n| 3)) (or (<= 10 |fibo2_#in~n|) .cse0 (and (<= 21 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 21))) (= fibo2_~n |fibo2_#in~n|))) [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L249 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2019-12-07 12:56:19,422 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L242 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (and (or (<= 11 |fibo1_#in~n|) (and (<= |fibo1_#t~ret0| 34) (<= 34 |fibo1_#t~ret0|)) (not (<= 10 |fibo1_#in~n|))) (or (and (<= 13 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 13)) (<= 9 |fibo1_#in~n|) (<= |fibo1_#in~n| 7)) (or (and (<= |fibo1_#t~ret0| 8) (<= 8 |fibo1_#t~ret0|) .cse0) (and .cse0 (<= 8 fibo1_~n)) (not (<= 6 |fibo1_#in~n|))) (or (not (<= |fibo1_#in~n| 6)) (and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3) (<= 5 fibo1_~n) .cse0)))) [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2019-12-07 12:56:19,422 INFO L246 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2019-12-07 12:56:19,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:56:19 BoogieIcfgContainer [2019-12-07 12:56:19,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:56:19,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:56:19,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:56:19,433 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:56:19,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:55:04" (3/4) ... [2019-12-07 12:56:19,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:56:19,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2019-12-07 12:56:19,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2019-12-07 12:56:19,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:56:19,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:56:19,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9fb8ba00-134a-4d9f-aad2-f3eabb5f49fe/bin/uautomizer/witness.graphml [2019-12-07 12:56:19,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:56:19,470 INFO L168 Benchmark]: Toolchain (without parser) took 75106.52 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 939.2 MB in the beginning and 1.6 GB in the end (delta: -650.9 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2019-12-07 12:56:19,471 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:56:19,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:19,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:56:19,471 INFO L168 Benchmark]: Boogie Preprocessor took 11.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:19,471 INFO L168 Benchmark]: RCFGBuilder took 147.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:19,472 INFO L168 Benchmark]: TraceAbstraction took 74713.19 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -565.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2019-12-07 12:56:19,472 INFO L168 Benchmark]: Witness Printer took 37.00 ms. Allocated memory is still 5.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:19,473 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 147.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74713.19 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -565.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 37.00 ms. Allocated memory is still 5.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 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: 69.8s, OverallIterations: 20, TraceHistogramMax: 113, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, HoareTripleCheckerStatistics: 796 SDtfs, 2369 SDslu, 11478 SDs, 0 SdLazy, 19311 SolverSat, 3474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16228 GetRequests, 15269 SyntacticMatches, 92 SemanticMatches, 867 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17497 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 449 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 1799 PreInvPairs, 3669 NumberOfFragments, 175 HoareAnnotationTreeSize, 1799 FomulaSimplifications, 136783 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 172038 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 42.4s InterpolantComputationTime, 23109 NumberOfCodeBlocks, 20393 NumberOfCodeBlocksAsserted, 263 NumberOfCheckSat, 23071 ConstructedInterpolants, 0 QuantifiedInterpolants, 43555209 SizeOfPredicates, 114 NumberOfNonLiveVariables, 19395 ConjunctsInSsa, 938 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 694250/795342 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...