./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:55:57,735 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:55:57,736 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:55:57,743 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:55:57,743 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:55:57,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:55:57,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:55:57,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:55:57,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:55:57,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:55:57,748 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:55:57,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:55:57,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:55:57,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:55:57,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:55:57,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:55:57,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:55:57,752 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:55:57,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:55:57,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:55:57,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:55:57,756 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:55:57,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:55:57,758 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:55:57,758 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:55:57,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:55:57,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:55:57,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:55:57,761 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:55:57,762 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:55:57,762 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:55:57,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:55:57,762 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:55:57,763 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:55:57,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:55:57,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:55:57,764 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:55:57,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:55:57,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:55:57,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:55:57,774 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:55:57,774 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:55:57,774 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:55:57,774 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:55:57,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:55:57,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:55:57,775 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:55:57,775 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:55:57,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:55:57,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:55:57,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:55:57,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:55:57,776 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:55:57,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:55:57,776 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:55:57,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:55:57,776 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:55:57,776 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:55:57,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:55:57,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:55:57,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:55:57,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-11-23 15:55:57,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:55:57,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:55:57,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:55:57,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:55:57,815 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:55:57,816 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-11-23 15:55:57,860 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/data/4deab09a6/2b926220e0e040448402bdeef074c6cd/FLAG21994c981 [2018-11-23 15:55:58,262 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:55:58,263 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-11-23 15:55:58,275 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/data/4deab09a6/2b926220e0e040448402bdeef074c6cd/FLAG21994c981 [2018-11-23 15:55:58,622 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/data/4deab09a6/2b926220e0e040448402bdeef074c6cd [2018-11-23 15:55:58,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:55:58,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:55:58,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:55:58,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:55:58,628 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:55:58,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:58" (1/1) ... [2018-11-23 15:55:58,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b965d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:58, skipping insertion in model container [2018-11-23 15:55:58,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:58" (1/1) ... [2018-11-23 15:55:58,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:55:58,676 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:55:58,942 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:55:58,945 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:55:59,025 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:55:59,035 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:55:59,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59 WrapperNode [2018-11-23 15:55:59,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:55:59,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:55:59,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:55:59,036 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:55:59,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:55:59,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:55:59,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:55:59,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:55:59,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2018-11-23 15:55:59,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:55:59,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:55:59,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:55:59,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:55:59,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/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 [2018-11-23 15:55:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:55:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:55:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:55:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:55:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:55:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:55:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:55:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:55:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:56:00,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:56:00,279 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:56:00,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:00 BoogieIcfgContainer [2018-11-23 15:56:00,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:56:00,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:56:00,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:56:00,283 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:56:00,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:55:58" (1/3) ... [2018-11-23 15:56:00,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2f682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:56:00, skipping insertion in model container [2018-11-23 15:56:00,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (2/3) ... [2018-11-23 15:56:00,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2f682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:56:00, skipping insertion in model container [2018-11-23 15:56:00,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:00" (3/3) ... [2018-11-23 15:56:00,286 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-11-23 15:56:00,294 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:56:00,300 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:56:00,313 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:56:00,338 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:56:00,339 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:56:00,339 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:56:00,339 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:56:00,339 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:56:00,339 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:56:00,339 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:56:00,339 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:56:00,339 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:56:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 15:56:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:56:00,357 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:00,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:00,359 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:00,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:00,362 INFO L82 PathProgramCache]: Analyzing trace with hash -950257557, now seen corresponding path program 1 times [2018-11-23 15:56:00,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:00,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:00,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:00,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:00,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:56:00,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:56:00,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:56:00,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:56:00,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:56:00,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:56:00,613 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-23 15:56:01,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:01,329 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-23 15:56:01,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:56:01,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-23 15:56:01,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:01,343 INFO L225 Difference]: With dead ends: 688 [2018-11-23 15:56:01,343 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 15:56:01,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:56:01,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 15:56:01,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-11-23 15:56:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 15:56:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 753 transitions. [2018-11-23 15:56:01,391 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 753 transitions. Word has length 62 [2018-11-23 15:56:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:01,391 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 753 transitions. [2018-11-23 15:56:01,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:56:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 753 transitions. [2018-11-23 15:56:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 15:56:01,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:01,397 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:01,397 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:01,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:01,397 INFO L82 PathProgramCache]: Analyzing trace with hash -955889055, now seen corresponding path program 1 times [2018-11-23 15:56:01,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:01,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:01,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:01,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:01,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:56:01,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:56:01,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:56:01,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:56:01,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:56:01,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:56:01,524 INFO L87 Difference]: Start difference. First operand 432 states and 753 transitions. Second operand 6 states. [2018-11-23 15:56:02,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:02,285 INFO L93 Difference]: Finished difference Result 1246 states and 2248 transitions. [2018-11-23 15:56:02,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:56:02,287 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-23 15:56:02,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:02,293 INFO L225 Difference]: With dead ends: 1246 [2018-11-23 15:56:02,294 INFO L226 Difference]: Without dead ends: 820 [2018-11-23 15:56:02,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:56:02,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2018-11-23 15:56:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 808. [2018-11-23 15:56:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-23 15:56:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1373 transitions. [2018-11-23 15:56:02,329 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1373 transitions. Word has length 141 [2018-11-23 15:56:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:02,329 INFO L480 AbstractCegarLoop]: Abstraction has 808 states and 1373 transitions. [2018-11-23 15:56:02,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:56:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1373 transitions. [2018-11-23 15:56:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 15:56:02,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:02,333 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:02,333 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:02,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:02,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1117315654, now seen corresponding path program 1 times [2018-11-23 15:56:02,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:02,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:02,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:02,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:02,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:56:02,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:56:02,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:56:02,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:56:02,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:56:02,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:56:02,461 INFO L87 Difference]: Start difference. First operand 808 states and 1373 transitions. Second operand 4 states. [2018-11-23 15:56:03,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:03,418 INFO L93 Difference]: Finished difference Result 1978 states and 3378 transitions. [2018-11-23 15:56:03,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:56:03,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-11-23 15:56:03,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:03,425 INFO L225 Difference]: With dead ends: 1978 [2018-11-23 15:56:03,425 INFO L226 Difference]: Without dead ends: 1176 [2018-11-23 15:56:03,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:56:03,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-11-23 15:56:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2018-11-23 15:56:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2018-11-23 15:56:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1745 transitions. [2018-11-23 15:56:03,452 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1745 transitions. Word has length 174 [2018-11-23 15:56:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:03,452 INFO L480 AbstractCegarLoop]: Abstraction has 1176 states and 1745 transitions. [2018-11-23 15:56:03,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:56:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1745 transitions. [2018-11-23 15:56:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 15:56:03,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:03,456 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:03,457 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:03,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:03,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1149985643, now seen corresponding path program 1 times [2018-11-23 15:56:03,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:03,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:03,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:03,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:03,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:56:03,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:56:03,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:56:03,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:56:03,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:56:03,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:56:03,718 INFO L87 Difference]: Start difference. First operand 1176 states and 1745 transitions. Second operand 6 states. [2018-11-23 15:56:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:05,136 INFO L93 Difference]: Finished difference Result 3810 states and 5895 transitions. [2018-11-23 15:56:05,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:56:05,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-11-23 15:56:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:05,145 INFO L225 Difference]: With dead ends: 3810 [2018-11-23 15:56:05,145 INFO L226 Difference]: Without dead ends: 2640 [2018-11-23 15:56:05,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:56:05,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-11-23 15:56:05,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2558. [2018-11-23 15:56:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2558 states. [2018-11-23 15:56:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3537 transitions. [2018-11-23 15:56:05,188 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3537 transitions. Word has length 227 [2018-11-23 15:56:05,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:05,189 INFO L480 AbstractCegarLoop]: Abstraction has 2558 states and 3537 transitions. [2018-11-23 15:56:05,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:56:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3537 transitions. [2018-11-23 15:56:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-11-23 15:56:05,195 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:05,195 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:05,195 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:05,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:05,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1540192005, now seen corresponding path program 1 times [2018-11-23 15:56:05,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:05,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:05,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:05,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:05,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 251 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:56:05,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:05,675 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:05,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:05,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 336 proven. 53 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 15:56:06,090 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:06,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-23 15:56:06,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 15:56:06,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 15:56:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:56:06,092 INFO L87 Difference]: Start difference. First operand 2558 states and 3537 transitions. Second operand 15 states. [2018-11-23 15:56:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:08,304 INFO L93 Difference]: Finished difference Result 6335 states and 8939 transitions. [2018-11-23 15:56:08,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 15:56:08,304 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 409 [2018-11-23 15:56:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:08,317 INFO L225 Difference]: With dead ends: 6335 [2018-11-23 15:56:08,317 INFO L226 Difference]: Without dead ends: 3586 [2018-11-23 15:56:08,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-11-23 15:56:08,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2018-11-23 15:56:08,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3198. [2018-11-23 15:56:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3198 states. [2018-11-23 15:56:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 3198 states and 4008 transitions. [2018-11-23 15:56:08,398 INFO L78 Accepts]: Start accepts. Automaton has 3198 states and 4008 transitions. Word has length 409 [2018-11-23 15:56:08,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:08,398 INFO L480 AbstractCegarLoop]: Abstraction has 3198 states and 4008 transitions. [2018-11-23 15:56:08,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 15:56:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 4008 transitions. [2018-11-23 15:56:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-23 15:56:08,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:08,410 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:08,411 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:08,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:08,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1982849592, now seen corresponding path program 1 times [2018-11-23 15:56:08,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:08,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:08,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:08,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:08,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 258 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:56:09,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:09,254 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:09,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:09,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-11-23 15:56:09,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:56:09,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-11-23 15:56:09,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 15:56:09,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 15:56:09,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-23 15:56:09,498 INFO L87 Difference]: Start difference. First operand 3198 states and 4008 transitions. Second operand 22 states. [2018-11-23 15:56:16,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:16,052 INFO L93 Difference]: Finished difference Result 10776 states and 14515 transitions. [2018-11-23 15:56:16,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-11-23 15:56:16,052 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 434 [2018-11-23 15:56:16,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:16,085 INFO L225 Difference]: With dead ends: 10776 [2018-11-23 15:56:16,086 INFO L226 Difference]: Without dead ends: 7584 [2018-11-23 15:56:16,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3575 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1781, Invalid=8725, Unknown=0, NotChecked=0, Total=10506 [2018-11-23 15:56:16,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7584 states. [2018-11-23 15:56:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7584 to 7031. [2018-11-23 15:56:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7031 states. [2018-11-23 15:56:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7031 states to 7031 states and 8111 transitions. [2018-11-23 15:56:16,276 INFO L78 Accepts]: Start accepts. Automaton has 7031 states and 8111 transitions. Word has length 434 [2018-11-23 15:56:16,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:16,276 INFO L480 AbstractCegarLoop]: Abstraction has 7031 states and 8111 transitions. [2018-11-23 15:56:16,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 15:56:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 7031 states and 8111 transitions. [2018-11-23 15:56:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2018-11-23 15:56:16,308 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:16,308 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:16,308 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:16,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:16,309 INFO L82 PathProgramCache]: Analyzing trace with hash -200653041, now seen corresponding path program 1 times [2018-11-23 15:56:16,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:16,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:16,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:16,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:16,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 687 proven. 228 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2018-11-23 15:56:16,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:16,959 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:16,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:17,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 1347 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-11-23 15:56:17,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:17,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 15:56:17,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:56:17,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:56:17,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:56:17,338 INFO L87 Difference]: Start difference. First operand 7031 states and 8111 transitions. Second operand 7 states. [2018-11-23 15:56:18,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:18,463 INFO L93 Difference]: Finished difference Result 18632 states and 24784 transitions. [2018-11-23 15:56:18,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 15:56:18,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 800 [2018-11-23 15:56:18,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:18,521 INFO L225 Difference]: With dead ends: 18632 [2018-11-23 15:56:18,521 INFO L226 Difference]: Without dead ends: 11789 [2018-11-23 15:56:18,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:56:18,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11789 states. [2018-11-23 15:56:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11789 to 11265. [2018-11-23 15:56:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11265 states. [2018-11-23 15:56:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11265 states to 11265 states and 13434 transitions. [2018-11-23 15:56:18,814 INFO L78 Accepts]: Start accepts. Automaton has 11265 states and 13434 transitions. Word has length 800 [2018-11-23 15:56:18,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:18,815 INFO L480 AbstractCegarLoop]: Abstraction has 11265 states and 13434 transitions. [2018-11-23 15:56:18,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:56:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 11265 states and 13434 transitions. [2018-11-23 15:56:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2018-11-23 15:56:18,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:18,862 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:18,862 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:18,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:18,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1790395514, now seen corresponding path program 1 times [2018-11-23 15:56:18,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:18,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:18,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:18,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:18,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 694 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-11-23 15:56:19,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:19,450 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:19,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:19,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1361 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-11-23 15:56:19,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:19,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 15:56:19,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:56:19,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:56:19,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:56:19,803 INFO L87 Difference]: Start difference. First operand 11265 states and 13434 transitions. Second operand 7 states. [2018-11-23 15:56:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:21,188 INFO L93 Difference]: Finished difference Result 26835 states and 37526 transitions. [2018-11-23 15:56:21,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 15:56:21,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 807 [2018-11-23 15:56:21,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:21,263 INFO L225 Difference]: With dead ends: 26835 [2018-11-23 15:56:21,263 INFO L226 Difference]: Without dead ends: 15758 [2018-11-23 15:56:21,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:56:21,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15758 states. [2018-11-23 15:56:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15758 to 15426. [2018-11-23 15:56:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15426 states. [2018-11-23 15:56:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15426 states to 15426 states and 18908 transitions. [2018-11-23 15:56:21,685 INFO L78 Accepts]: Start accepts. Automaton has 15426 states and 18908 transitions. Word has length 807 [2018-11-23 15:56:21,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:21,686 INFO L480 AbstractCegarLoop]: Abstraction has 15426 states and 18908 transitions. [2018-11-23 15:56:21,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:56:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 15426 states and 18908 transitions. [2018-11-23 15:56:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2018-11-23 15:56:21,726 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:21,726 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:21,727 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:21,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:21,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1982891454, now seen corresponding path program 1 times [2018-11-23 15:56:21,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:21,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:21,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 574 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-11-23 15:56:22,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:22,518 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:22,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:22,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 1385 proven. 2 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-11-23 15:56:22,854 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:22,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-11-23 15:56:22,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:56:22,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:56:22,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:56:22,856 INFO L87 Difference]: Start difference. First operand 15426 states and 18908 transitions. Second operand 7 states. [2018-11-23 15:56:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:24,061 INFO L93 Difference]: Finished difference Result 37480 states and 47901 transitions. [2018-11-23 15:56:24,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 15:56:24,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 867 [2018-11-23 15:56:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:24,128 INFO L225 Difference]: With dead ends: 37480 [2018-11-23 15:56:24,128 INFO L226 Difference]: Without dead ends: 22242 [2018-11-23 15:56:24,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 872 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-11-23 15:56:24,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22242 states. [2018-11-23 15:56:24,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22242 to 22226. [2018-11-23 15:56:24,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22226 states. [2018-11-23 15:56:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22226 states to 22226 states and 26408 transitions. [2018-11-23 15:56:24,479 INFO L78 Accepts]: Start accepts. Automaton has 22226 states and 26408 transitions. Word has length 867 [2018-11-23 15:56:24,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:24,479 INFO L480 AbstractCegarLoop]: Abstraction has 22226 states and 26408 transitions. [2018-11-23 15:56:24,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:56:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 22226 states and 26408 transitions. [2018-11-23 15:56:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-11-23 15:56:24,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:24,508 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:24,508 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:24,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:24,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1993504723, now seen corresponding path program 1 times [2018-11-23 15:56:24,509 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:24,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:24,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:24,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:24,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 732 proven. 1046 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2018-11-23 15:56:25,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:25,597 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:25,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:25,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 1698 proven. 2 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2018-11-23 15:56:26,209 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:26,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-23 15:56:26,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:56:26,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:56:26,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:56:26,210 INFO L87 Difference]: Start difference. First operand 22226 states and 26408 transitions. Second operand 17 states. [2018-11-23 15:56:30,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:30,235 INFO L93 Difference]: Finished difference Result 45823 states and 57578 transitions. [2018-11-23 15:56:30,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 15:56:30,236 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 907 [2018-11-23 15:56:30,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:30,283 INFO L225 Difference]: With dead ends: 45823 [2018-11-23 15:56:30,283 INFO L226 Difference]: Without dead ends: 23478 [2018-11-23 15:56:30,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 979 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=571, Invalid=2185, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 15:56:30,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23478 states. [2018-11-23 15:56:30,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23478 to 22772. [2018-11-23 15:56:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22772 states. [2018-11-23 15:56:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22772 states to 22772 states and 25388 transitions. [2018-11-23 15:56:30,616 INFO L78 Accepts]: Start accepts. Automaton has 22772 states and 25388 transitions. Word has length 907 [2018-11-23 15:56:30,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:30,616 INFO L480 AbstractCegarLoop]: Abstraction has 22772 states and 25388 transitions. [2018-11-23 15:56:30,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:56:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22772 states and 25388 transitions. [2018-11-23 15:56:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2018-11-23 15:56:30,636 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:30,637 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:30,637 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:30,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:30,637 INFO L82 PathProgramCache]: Analyzing trace with hash -424462762, now seen corresponding path program 1 times [2018-11-23 15:56:30,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:30,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:30,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:30,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:30,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 919 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-11-23 15:56:31,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:31,187 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:31,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:31,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1808 proven. 2 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2018-11-23 15:56:31,627 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:31,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 15:56:31,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:56:31,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:56:31,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:56:31,628 INFO L87 Difference]: Start difference. First operand 22772 states and 25388 transitions. Second operand 7 states. [2018-11-23 15:56:32,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:32,574 INFO L93 Difference]: Finished difference Result 44799 states and 50092 transitions. [2018-11-23 15:56:32,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 15:56:32,575 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 966 [2018-11-23 15:56:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:32,608 INFO L225 Difference]: With dead ends: 44799 [2018-11-23 15:56:32,608 INFO L226 Difference]: Without dead ends: 22215 [2018-11-23 15:56:32,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:56:32,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22215 states. [2018-11-23 15:56:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22215 to 21779. [2018-11-23 15:56:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21779 states. [2018-11-23 15:56:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21779 states to 21779 states and 23782 transitions. [2018-11-23 15:56:32,862 INFO L78 Accepts]: Start accepts. Automaton has 21779 states and 23782 transitions. Word has length 966 [2018-11-23 15:56:32,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:32,862 INFO L480 AbstractCegarLoop]: Abstraction has 21779 states and 23782 transitions. [2018-11-23 15:56:32,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:56:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 21779 states and 23782 transitions. [2018-11-23 15:56:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2018-11-23 15:56:32,884 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:32,885 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:32,885 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:32,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:32,885 INFO L82 PathProgramCache]: Analyzing trace with hash 500462927, now seen corresponding path program 1 times [2018-11-23 15:56:32,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:32,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:32,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:32,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:32,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 1679 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-11-23 15:56:33,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:33,651 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:33,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:33,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 2469 proven. 6 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2018-11-23 15:56:34,270 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:34,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-23 15:56:34,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:56:34,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:56:34,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:56:34,272 INFO L87 Difference]: Start difference. First operand 21779 states and 23782 transitions. Second operand 9 states. [2018-11-23 15:56:35,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:35,961 INFO L93 Difference]: Finished difference Result 48149 states and 52719 transitions. [2018-11-23 15:56:35,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 15:56:35,961 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1141 [2018-11-23 15:56:35,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:35,996 INFO L225 Difference]: With dead ends: 48149 [2018-11-23 15:56:35,996 INFO L226 Difference]: Without dead ends: 26558 [2018-11-23 15:56:36,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1160 GetRequests, 1146 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:56:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26558 states. [2018-11-23 15:56:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26558 to 25967. [2018-11-23 15:56:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25967 states. [2018-11-23 15:56:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25967 states to 25967 states and 28374 transitions. [2018-11-23 15:56:36,260 INFO L78 Accepts]: Start accepts. Automaton has 25967 states and 28374 transitions. Word has length 1141 [2018-11-23 15:56:36,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:36,261 INFO L480 AbstractCegarLoop]: Abstraction has 25967 states and 28374 transitions. [2018-11-23 15:56:36,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:56:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 25967 states and 28374 transitions. [2018-11-23 15:56:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2018-11-23 15:56:36,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:36,287 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:36,287 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:36,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:36,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1123864491, now seen corresponding path program 1 times [2018-11-23 15:56:36,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:36,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:36,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:36,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:36,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 1416 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-11-23 15:56:37,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:37,976 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:37,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:38,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 2362 proven. 2 refuted. 0 times theorem prover too weak. 2802 trivial. 0 not checked. [2018-11-23 15:56:38,777 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:38,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 15:56:38,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:56:38,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:56:38,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:56:38,778 INFO L87 Difference]: Start difference. First operand 25967 states and 28374 transitions. Second operand 17 states. [2018-11-23 15:56:42,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:42,583 INFO L93 Difference]: Finished difference Result 52063 states and 57011 transitions. [2018-11-23 15:56:42,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-23 15:56:42,583 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1292 [2018-11-23 15:56:42,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:42,622 INFO L225 Difference]: With dead ends: 52063 [2018-11-23 15:56:42,622 INFO L226 Difference]: Without dead ends: 26284 [2018-11-23 15:56:42,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1319 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=601, Invalid=2479, Unknown=0, NotChecked=0, Total=3080 [2018-11-23 15:56:42,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26284 states. [2018-11-23 15:56:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26284 to 25584. [2018-11-23 15:56:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25584 states. [2018-11-23 15:56:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25584 states to 25584 states and 27892 transitions. [2018-11-23 15:56:43,056 INFO L78 Accepts]: Start accepts. Automaton has 25584 states and 27892 transitions. Word has length 1292 [2018-11-23 15:56:43,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:43,057 INFO L480 AbstractCegarLoop]: Abstraction has 25584 states and 27892 transitions. [2018-11-23 15:56:43,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:56:43,057 INFO L276 IsEmpty]: Start isEmpty. Operand 25584 states and 27892 transitions. [2018-11-23 15:56:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1497 [2018-11-23 15:56:43,099 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:43,100 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:43,100 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:43,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:43,100 INFO L82 PathProgramCache]: Analyzing trace with hash -962469324, now seen corresponding path program 1 times [2018-11-23 15:56:43,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:43,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:43,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:43,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:43,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 1280 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-11-23 15:56:45,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:45,417 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:45,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:45,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 3974 proven. 2 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2018-11-23 15:56:46,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:46,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-23 15:56:46,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 15:56:46,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 15:56:46,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:56:46,266 INFO L87 Difference]: Start difference. First operand 25584 states and 27892 transitions. Second operand 19 states. [2018-11-23 15:56:50,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:50,867 INFO L93 Difference]: Finished difference Result 51886 states and 59567 transitions. [2018-11-23 15:56:50,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-23 15:56:50,867 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1496 [2018-11-23 15:56:50,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:50,940 INFO L225 Difference]: With dead ends: 51886 [2018-11-23 15:56:50,940 INFO L226 Difference]: Without dead ends: 26490 [2018-11-23 15:56:50,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1602 GetRequests, 1534 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=984, Invalid=3572, Unknown=0, NotChecked=0, Total=4556 [2018-11-23 15:56:51,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26490 states. [2018-11-23 15:56:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26490 to 25620. [2018-11-23 15:56:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25620 states. [2018-11-23 15:56:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25620 states to 25620 states and 27678 transitions. [2018-11-23 15:56:51,290 INFO L78 Accepts]: Start accepts. Automaton has 25620 states and 27678 transitions. Word has length 1496 [2018-11-23 15:56:51,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:51,290 INFO L480 AbstractCegarLoop]: Abstraction has 25620 states and 27678 transitions. [2018-11-23 15:56:51,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 15:56:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 25620 states and 27678 transitions. [2018-11-23 15:56:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1615 [2018-11-23 15:56:51,319 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:51,319 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 15:56:51,320 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:51,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:51,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1288405425, now seen corresponding path program 1 times [2018-11-23 15:56:51,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:51,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:51,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:51,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:51,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 1764 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-11-23 15:56:53,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:53,525 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:53,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:53,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:56:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 2993 proven. 2 refuted. 0 times theorem prover too weak. 4794 trivial. 0 not checked. [2018-11-23 15:56:54,461 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:54,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 15:56:54,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:56:54,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:56:54,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:56:54,463 INFO L87 Difference]: Start difference. First operand 25620 states and 27678 transitions. Second operand 17 states. [2018-11-23 15:56:58,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:56:58,375 INFO L93 Difference]: Finished difference Result 51323 states and 55504 transitions. [2018-11-23 15:56:58,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-23 15:56:58,375 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1614 [2018-11-23 15:56:58,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:56:58,408 INFO L225 Difference]: With dead ends: 51323 [2018-11-23 15:56:58,409 INFO L226 Difference]: Without dead ends: 25891 [2018-11-23 15:56:58,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1698 GetRequests, 1643 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=574, Invalid=2618, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 15:56:58,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25891 states. [2018-11-23 15:56:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25891 to 25616. [2018-11-23 15:56:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25616 states. [2018-11-23 15:56:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25616 states to 25616 states and 27587 transitions. [2018-11-23 15:56:58,700 INFO L78 Accepts]: Start accepts. Automaton has 25616 states and 27587 transitions. Word has length 1614 [2018-11-23 15:56:58,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:56:58,700 INFO L480 AbstractCegarLoop]: Abstraction has 25616 states and 27587 transitions. [2018-11-23 15:56:58,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:56:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 25616 states and 27587 transitions. [2018-11-23 15:56:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-11-23 15:56:58,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:56:58,742 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:56:58,742 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:56:58,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:56:58,742 INFO L82 PathProgramCache]: Analyzing trace with hash 722821424, now seen corresponding path program 1 times [2018-11-23 15:56:58,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:56:58,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:56:58,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:58,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:56:58,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:56:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:56:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 1794 proven. 79 refuted. 0 times theorem prover too weak. 8416 trivial. 0 not checked. [2018-11-23 15:56:59,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:56:59,916 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:56:59,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:00,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:57:00,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 3213 proven. 2 refuted. 0 times theorem prover too weak. 7074 trivial. 0 not checked. [2018-11-23 15:57:00,903 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:57:00,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-23 15:57:00,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:57:00,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:57:00,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:57:00,905 INFO L87 Difference]: Start difference. First operand 25616 states and 27587 transitions. Second operand 10 states. [2018-11-23 15:57:02,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:57:02,405 INFO L93 Difference]: Finished difference Result 47940 states and 51787 transitions. [2018-11-23 15:57:02,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 15:57:02,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1821 [2018-11-23 15:57:02,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:57:02,430 INFO L225 Difference]: With dead ends: 47940 [2018-11-23 15:57:02,430 INFO L226 Difference]: Without dead ends: 21537 [2018-11-23 15:57:02,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1853 GetRequests, 1830 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2018-11-23 15:57:02,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21537 states. [2018-11-23 15:57:02,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21537 to 21158. [2018-11-23 15:57:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21158 states. [2018-11-23 15:57:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21158 states to 21158 states and 22539 transitions. [2018-11-23 15:57:02,652 INFO L78 Accepts]: Start accepts. Automaton has 21158 states and 22539 transitions. Word has length 1821 [2018-11-23 15:57:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:57:02,653 INFO L480 AbstractCegarLoop]: Abstraction has 21158 states and 22539 transitions. [2018-11-23 15:57:02,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:57:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21158 states and 22539 transitions. [2018-11-23 15:57:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1832 [2018-11-23 15:57:02,680 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:57:02,680 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:57:02,680 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:57:02,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:57:02,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1793687586, now seen corresponding path program 1 times [2018-11-23 15:57:02,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:57:02,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:57:02,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:57:02,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:02,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:57:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 2130 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-11-23 15:57:05,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:57:05,093 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:57:05,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:05,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:57:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 4526 proven. 6 refuted. 0 times theorem prover too weak. 5947 trivial. 0 not checked. [2018-11-23 15:57:06,123 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:57:06,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-23 15:57:06,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 15:57:06,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 15:57:06,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-23 15:57:06,124 INFO L87 Difference]: Start difference. First operand 21158 states and 22539 transitions. Second operand 16 states. [2018-11-23 15:57:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:57:09,409 INFO L93 Difference]: Finished difference Result 41689 states and 45036 transitions. [2018-11-23 15:57:09,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:57:09,409 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1831 [2018-11-23 15:57:09,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:57:09,443 INFO L225 Difference]: With dead ends: 41689 [2018-11-23 15:57:09,443 INFO L226 Difference]: Without dead ends: 20176 [2018-11-23 15:57:09,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1921 GetRequests, 1872 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=493, Invalid=2057, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 15:57:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20176 states. [2018-11-23 15:57:09,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20176 to 19372. [2018-11-23 15:57:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19372 states. [2018-11-23 15:57:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19372 states to 19372 states and 20436 transitions. [2018-11-23 15:57:09,666 INFO L78 Accepts]: Start accepts. Automaton has 19372 states and 20436 transitions. Word has length 1831 [2018-11-23 15:57:09,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:57:09,667 INFO L480 AbstractCegarLoop]: Abstraction has 19372 states and 20436 transitions. [2018-11-23 15:57:09,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 15:57:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 19372 states and 20436 transitions. [2018-11-23 15:57:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1872 [2018-11-23 15:57:09,690 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:57:09,690 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:57:09,690 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:57:09,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:57:09,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1327403292, now seen corresponding path program 1 times [2018-11-23 15:57:09,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:57:09,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:57:09,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:57:09,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:09,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:57:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 2262 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-11-23 15:57:10,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:57:10,989 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:57:10,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:11,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:57:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 4494 proven. 2 refuted. 0 times theorem prover too weak. 5968 trivial. 0 not checked. [2018-11-23 15:57:12,020 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:57:12,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-23 15:57:12,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 15:57:12,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 15:57:12,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:57:12,021 INFO L87 Difference]: Start difference. First operand 19372 states and 20436 transitions. Second operand 11 states. [2018-11-23 15:57:13,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:57:13,650 INFO L93 Difference]: Finished difference Result 44540 states and 47143 transitions. [2018-11-23 15:57:13,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 15:57:13,650 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1871 [2018-11-23 15:57:13,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:57:13,656 INFO L225 Difference]: With dead ends: 44540 [2018-11-23 15:57:13,656 INFO L226 Difference]: Without dead ends: 4432 [2018-11-23 15:57:13,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1916 GetRequests, 1886 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-11-23 15:57:13,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2018-11-23 15:57:13,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4077. [2018-11-23 15:57:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4077 states. [2018-11-23 15:57:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 4077 states and 4175 transitions. [2018-11-23 15:57:13,726 INFO L78 Accepts]: Start accepts. Automaton has 4077 states and 4175 transitions. Word has length 1871 [2018-11-23 15:57:13,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:57:13,727 INFO L480 AbstractCegarLoop]: Abstraction has 4077 states and 4175 transitions. [2018-11-23 15:57:13,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 15:57:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 4077 states and 4175 transitions. [2018-11-23 15:57:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1947 [2018-11-23 15:57:13,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:57:13,741 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:57:13,741 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:57:13,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:57:13,742 INFO L82 PathProgramCache]: Analyzing trace with hash 798801568, now seen corresponding path program 1 times [2018-11-23 15:57:13,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:57:13,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:57:13,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:57:13,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:13,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:57:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11897 backedges. 867 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-11-23 15:57:14,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:57:14,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:57:14,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:57:14,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:57:14,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:57:14,898 INFO L87 Difference]: Start difference. First operand 4077 states and 4175 transitions. Second operand 4 states. [2018-11-23 15:57:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:57:15,134 INFO L93 Difference]: Finished difference Result 4077 states and 4175 transitions. [2018-11-23 15:57:15,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:57:15,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1946 [2018-11-23 15:57:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:57:15,135 INFO L225 Difference]: With dead ends: 4077 [2018-11-23 15:57:15,135 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:57:15,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:57:15,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:57:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:57:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:57:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:57:15,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1946 [2018-11-23 15:57:15,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:57:15,142 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:57:15,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:57:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:57:15,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:57:15,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:57:15,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:15,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:15,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:15,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:15,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:15,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:16,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:17,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:17,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:18,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:18,702 WARN L180 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1417 DAG size of output: 1289 [2018-11-23 15:57:18,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:18,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:19,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:20,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:20,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:21,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:57:21,600 WARN L180 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 1417 DAG size of output: 1289 [2018-11-23 15:57:22,684 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 387 DAG size of output: 95 [2018-11-23 15:57:31,865 WARN L180 SmtUtils]: Spent 9.17 s on a formula simplification. DAG size of input: 1287 DAG size of output: 92 [2018-11-23 15:57:41,183 WARN L180 SmtUtils]: Spent 9.31 s on a formula simplification. DAG size of input: 1287 DAG size of output: 92 [2018-11-23 15:57:41,184 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:57:41,184 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 15:57:41,184 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:57:41,184 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 15:57:41,184 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 15:57:41,184 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 15:57:41,185 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 15:57:41,186 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,187 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 15:57:41,188 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 15:57:41,189 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse15 (= 10 |old(~a21~0)|)) (.cse14 (= 8 |old(~a21~0)|)) (.cse10 (= ~a21~0 |old(~a21~0)|)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse11 (= 1 ~a24~0))) (let ((.cse12 (= 5 |old(~a15~0)|)) (.cse5 (and .cse9 .cse18 .cse11 (= 10 ~a21~0))) (.cse6 (< 11 |old(~a12~0)|)) (.cse13 (= 7 |old(~a21~0)|)) (.cse0 (not (= 6 |old(~a21~0)|))) (.cse2 (and .cse9 .cse10 .cse18 .cse11)) (.cse16 (< 73282 |old(~a12~0)|)) (.cse3 (< 7 |old(~a15~0)|)) (.cse17 (not .cse14)) (.cse4 (not .cse15)) (.cse1 (not (= 1 |old(~a24~0)|))) (.cse7 (not (= 8 |old(~a15~0)|))) (.cse8 (and .cse9 .cse10 .cse11 (= 8 ~a15~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse0 .cse1 .cse7 .cse8) (or (and .cse9 .cse10 (= 7 ~a15~0) .cse11) .cse1 (not (= 7 |old(~a15~0)|))) (or .cse12 .cse13 .cse1 .cse2 .cse14 .cse3 .cse15) (or (or (not (= 9 |old(~a21~0)|)) .cse7) (< 76 |old(~a12~0)|) .cse8 .cse1) (or .cse4 .cse1 (not .cse12) .cse16 .cse5) (or (and .cse9 .cse10 .cse11 (= 9 ~a15~0)) (not (= 9 |old(~a15~0)|)) .cse1) (or (not .cse13) .cse1 .cse6 .cse7 .cse8) (or .cse1 .cse7 .cse8 .cse16 .cse17) (or (< 78 |old(~a12~0)|) .cse2 .cse13 .cse1 .cse3 .cse15) (or (< 72 |old(~a12~0)|) .cse2 .cse1 .cse3 (<= |old(~a12~0)| 18) (< 7 |old(~a21~0)|)) (or (and .cse9 (= ~a24~0 |old(~a24~0)|) .cse10 .cse18) (< 0 (+ |old(~a12~0)| 49)) .cse0 .cse3) (or .cse2 .cse1 .cse16 .cse3 .cse17) (or (or .cse4 .cse1 .cse7) .cse8)))) [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 15:57:41,190 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 15:57:41,191 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,192 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 15:57:41,193 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,194 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 15:57:41,195 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,196 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 15:57:41,197 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 15:57:41,198 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,199 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-23 15:57:41,200 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 15:57:41,200 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse12 (= 6 ~a21~0)) (.cse2 (= ~a24~0 |old(~a24~0)|))) (let ((.cse1 (= 7 ~a21~0)) (.cse5 (<= ~a12~0 11)) (.cse6 (and .cse12 .cse2)) (.cse4 (= 8 ~a15~0)) (.cse0 (<= ~a15~0 7)) (.cse8 (not (= 10 ~a21~0))) (.cse7 (not (= ~a21~0 7))) (.cse14 (= 5 ~a15~0)) (.cse13 (= ~a21~0 10)) (.cse10 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse11 (= ~a21~0 8)) (.cse9 (= ~a15~0 |old(~a15~0)|))) (or (and .cse0 (and .cse1 (< 18 ~a12~0) .cse2 (<= ~a12~0 72))) (and .cse3 (= 9 ~a15~0)) (not (= 7 |old(~a21~0)|)) (and (and .cse1 (and (= |old(~a24~0)| ~a24~0) .cse4)) .cse5) (and .cse2 (= 7 ~a15~0)) (and .cse6 .cse0) (< 0 (+ |old(~a12~0)| 49)) (and .cse0 (and .cse3 .cse5 .cse7)) (and (<= ~a12~0 78) (and (and .cse8 .cse3) .cse7) .cse0) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (and .cse6 .cse9) (and .cse0 (and .cse3 (and .cse10 .cse11))) (and .cse12 .cse0 (<= (+ ~a12~0 49) 0)) (and .cse4 .cse3 .cse13) (and .cse0 (and (not .cse11) (and .cse3 (and .cse8 (not .cse14))) .cse7)) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse9) (and .cse14 (and .cse10 (and .cse3 .cse13))) (and (and .cse10 .cse3 .cse11) .cse9)))) [2018-11-23 15:57:41,200 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 15:57:41,201 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 15:57:41,201 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse12 (= 6 ~a21~0)) (.cse2 (= ~a24~0 |old(~a24~0)|))) (let ((.cse1 (= 7 ~a21~0)) (.cse5 (<= ~a12~0 11)) (.cse6 (and .cse12 .cse2)) (.cse4 (= 8 ~a15~0)) (.cse0 (<= ~a15~0 7)) (.cse8 (not (= 10 ~a21~0))) (.cse7 (not (= ~a21~0 7))) (.cse14 (= 5 ~a15~0)) (.cse13 (= ~a21~0 10)) (.cse10 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse11 (= ~a21~0 8)) (.cse9 (= ~a15~0 |old(~a15~0)|))) (or (and .cse0 (and .cse1 (< 18 ~a12~0) .cse2 (<= ~a12~0 72))) (and .cse3 (= 9 ~a15~0)) (not (= 7 |old(~a21~0)|)) (and (and .cse1 (and (= |old(~a24~0)| ~a24~0) .cse4)) .cse5) (and .cse2 (= 7 ~a15~0)) (and .cse6 .cse0) (< 0 (+ |old(~a12~0)| 49)) (and .cse0 (and .cse3 .cse5 .cse7)) (and (<= ~a12~0 78) (and (and .cse8 .cse3) .cse7) .cse0) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (and .cse6 .cse9) (and .cse0 (and .cse3 (and .cse10 .cse11))) (and .cse12 .cse0 (<= (+ ~a12~0 49) 0)) (and .cse4 .cse3 .cse13) (and .cse0 (and (not .cse11) (and .cse3 (and .cse8 (not .cse14))) .cse7)) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse9) (and .cse14 (and .cse10 (and .cse3 .cse13))) (and (and .cse10 .cse3 .cse11) .cse9)))) [2018-11-23 15:57:41,201 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 15:57:41,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:57:41 BoogieIcfgContainer [2018-11-23 15:57:41,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:57:41,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:57:41,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:57:41,220 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:57:41,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:00" (3/4) ... [2018-11-23 15:57:41,225 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:57:41,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:57:41,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:57:41,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:57:41,245 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:57:41,246 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:57:41,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((a15 <= 7 && ((7 == a21 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) || (1 == a24 && 9 == a15)) || !(7 == \old(a21))) || ((7 == a21 && \old(a24) == a24 && 8 == a15) && a12 <= 11)) || (a24 == \old(a24) && 7 == a15)) || ((6 == a21 && a24 == \old(a24)) && a15 <= 7)) || 0 < \old(a12) + 49) || (a15 <= 7 && (1 == a24 && a12 <= 11) && !(a21 == 7))) || ((a12 <= 78 && (!(10 == a21) && 1 == a24) && !(a21 == 7)) && a15 <= 7)) || !(1 == \old(a24))) || !(8 == \old(a15))) || ((6 == a21 && a24 == \old(a24)) && a15 == \old(a15))) || (a15 <= 7 && 1 == a24 && a12 <= 73282 && a21 == 8)) || ((6 == a21 && a15 <= 7) && a12 + 49 <= 0)) || ((8 == a15 && 1 == a24) && a21 == 10)) || (a15 <= 7 && (!(a21 == 8) && 1 == a24 && !(10 == a21) && !(5 == a15)) && !(a21 == 7))) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || (5 == a15 && a12 <= 73282 && 1 == a24 && a21 == 10)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && a15 == \old(a15)) [2018-11-23 15:57:41,370 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08a07f80-574c-407a-a57c-6d369b6f0c36/bin-2019/uautomizer/witness.graphml [2018-11-23 15:57:41,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:57:41,371 INFO L168 Benchmark]: Toolchain (without parser) took 102746.62 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 956.4 MB in the beginning and 788.9 MB in the end (delta: 167.5 MB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,372 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:57:41,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.4 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 913.4 MB in the beginning and 1.2 GB in the end (delta: -251.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,372 INFO L168 Benchmark]: Boogie Preprocessor took 57.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,372 INFO L168 Benchmark]: RCFGBuilder took 1098.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,373 INFO L168 Benchmark]: TraceAbstraction took 100939.97 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 869.1 MB in the end (delta: 164.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,373 INFO L168 Benchmark]: Witness Printer took 150.35 ms. Allocated memory is still 4.9 GB. Free memory was 869.1 MB in the beginning and 788.9 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:57:41,374 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.4 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 913.4 MB in the beginning and 1.2 GB in the end (delta: -251.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1098.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100939.97 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 869.1 MB in the end (delta: 164.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 150.35 ms. Allocated memory is still 4.9 GB. Free memory was 869.1 MB in the beginning and 788.9 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((a15 <= 7 && ((7 == a21 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) || (1 == a24 && 9 == a15)) || !(7 == \old(a21))) || ((7 == a21 && \old(a24) == a24 && 8 == a15) && a12 <= 11)) || (a24 == \old(a24) && 7 == a15)) || ((6 == a21 && a24 == \old(a24)) && a15 <= 7)) || 0 < \old(a12) + 49) || (a15 <= 7 && (1 == a24 && a12 <= 11) && !(a21 == 7))) || ((a12 <= 78 && (!(10 == a21) && 1 == a24) && !(a21 == 7)) && a15 <= 7)) || !(1 == \old(a24))) || !(8 == \old(a15))) || ((6 == a21 && a24 == \old(a24)) && a15 == \old(a15))) || (a15 <= 7 && 1 == a24 && a12 <= 73282 && a21 == 8)) || ((6 == a21 && a15 <= 7) && a12 + 49 <= 0)) || ((8 == a15 && 1 == a24) && a21 == 10)) || (a15 <= 7 && (!(a21 == 8) && 1 == a24 && !(10 == a21) && !(5 == a15)) && !(a21 == 7))) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || (5 == a15 && a12 <= 73282 && 1 == a24 && a21 == 10)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && a15 == \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 100.8s OverallTime, 19 OverallIterations, 16 TraceHistogramMax, 43.0s AutomataDifference, 0.0s DeadEndRemovalTime, 26.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1786 SDtfs, 47092 SDslu, 4494 SDs, 0 SdLazy, 60668 SolverSat, 10022 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17036 GetRequests, 16487 SyntacticMatches, 19 SemanticMatches, 530 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8569 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25967occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 7023 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1035 PreInvPairs, 1233 NumberOfFragments, 950 HoareAnnotationTreeSize, 1035 FomulaSimplifications, 14587529 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6672783 FormulaSimplificationTreeSizeReductionInter, 19.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 35062 NumberOfCodeBlocks, 35062 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 35029 ConstructedInterpolants, 0 QuantifiedInterpolants, 120413591 SizeOfPredicates, 10 NumberOfNonLiveVariables, 22359 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 133729/144960 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...